PDB Short entry for 1Q3U
HEADER    REPLICATION/DNA                         01-AUG-03   1Q3U              
TITLE     CRYSTAL STRUCTURE OF A WILD-TYPE CRE RECOMBINASE-LOXP SYNAPSE: PRE-   
TITLE    2 CLEAVAGE COMPLEX                                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LOXP DNA;                                                  
COMPND   3 CHAIN: C, G;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: FIRST STRAND OF LOXP SITE;                            
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: LOXP DNA;                                                  
COMPND   8 CHAIN: D, H;                                                         
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 OTHER_DETAILS: SECOND STRAND OF LOXP SITE;                           
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: CRE RECOMBINASE;                                           
COMPND  13 CHAIN: A, B, E, F;                                                   
COMPND  14 SYNONYM: GST-LOXP-CRE RECOMBINASE FUSION PROTEIN; RETROFITTING VECTOR
COMPND  15 PRETROES;                                                            
COMPND  16 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE P1;                        
SOURCE   7 ORGANISM_TAXID: 10678;                                               
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PGEM                                      
KEYWDS    CRE; RECOMBINASE; DNA-PROTEIN COMPLEX; CRYSTAL, REPLICATION-DNA       
KEYWDS   2 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.ENNIFAR,J.E.W.MEYER,F.BUCHHOLZ,A.F.STEWART,D.SUCK                   
REVDAT   3   16-AUG-23 1Q3U    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1Q3U    1       VERSN                                    
REVDAT   1   16-SEP-03 1Q3U    0                                                
JRNL        AUTH   E.ENNIFAR,J.E.W.MEYER,F.BUCHHOLZ,A.F.STEWART,D.SUCK          
JRNL        TITL   CRYSTAL STRUCTURE OF A WILD-TYPE CRE RECOMBINASE-LOXP        
JRNL        TITL 2 SYNAPSE REVEALS A NOVEL SPACER CONFORMATION SUGGESTING AN    
JRNL        TITL 3 ALTERNATIVE MECHANISM FOR DNA CLEAVAGE ACTIVATION            
JRNL        REF    NUCLEIC ACIDS RES.            V.  31  5449 2003              
JRNL        REFN                   ISSN 0305-1048                               
JRNL        PMID   12954782                                                     
JRNL        DOI    10.1093/NAR/GKG732                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.03                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 74371                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.223                           
REMARK   3   FREE R VALUE                     : 0.244                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3430                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.08                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 94.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 11536                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3730                       
REMARK   3   BIN FREE R VALUE                    : 0.3680                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 2.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 265                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.023                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 10264                                   
REMARK   3   NUCLEIC ACID ATOMS       : 3020                                    
REMARK   3   HETEROGEN ATOMS          : 12                                      
REMARK   3   SOLVENT ATOMS            : 3                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 57.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 57.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.38000                                              
REMARK   3    B22 (A**2) : 7.30000                                              
REMARK   3    B33 (A**2) : -11.69000                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.42                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.41                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 19.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.040                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.640 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 4.340 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 6.190 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 9.130 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.33                                                 
REMARK   3   BSOL        : 37.44                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1Q3U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-AUG-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000019881.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : CRYSTAL                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.31800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1CRX                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 72.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.58                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NACL, EDTA, GLYCEROL, HEPES, MGCL2,      
REMARK 280  PEG 2000, MME, PH 7.6, VAPOR DIFFUSION, HANGING DROP,               
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       53.99550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       98.00150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       80.53200            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       98.00150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       53.99550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       80.53200            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: DIMERIC CRE RECOMBINASE BOUND TO A DOUBLE STRANDED DNA LOXP  
REMARK 300 SITE                                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: OCTAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, G, H, A, B, E, F                
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     PHE A    -3                                                      
REMARK 465     GLN A    -2                                                      
REMARK 465     VAL A    -1                                                      
REMARK 465     PRO A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     ASN A     3                                                      
REMARK 465     LEU A     4                                                      
REMARK 465     LEU A     5                                                      
REMARK 465     THR A     6                                                      
REMARK 465     VAL A     7                                                      
REMARK 465     HIS A     8                                                      
REMARK 465     GLN A     9                                                      
REMARK 465     GLY A   342                                                      
REMARK 465     ASP A   343                                                      
REMARK 465     PHE B    -3                                                      
REMARK 465     GLN B    -2                                                      
REMARK 465     VAL B    -1                                                      
REMARK 465     PRO B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     ASN B     3                                                      
REMARK 465     LEU B     4                                                      
REMARK 465     LEU B     5                                                      
REMARK 465     THR B     6                                                      
REMARK 465     VAL B     7                                                      
REMARK 465     HIS B     8                                                      
REMARK 465     GLN B     9                                                      
REMARK 465     ASN B    10                                                      
REMARK 465     LEU B    11                                                      
REMARK 465     PRO B    12                                                      
REMARK 465     ALA B    13                                                      
REMARK 465     LEU B    14                                                      
REMARK 465     PRO B    15                                                      
REMARK 465     VAL B    16                                                      
REMARK 465     ASP B    17                                                      
REMARK 465     ALA B    18                                                      
REMARK 465     THR B    19                                                      
REMARK 465     GLY B   342                                                      
REMARK 465     ASP B   343                                                      
REMARK 465     PHE E    -3                                                      
REMARK 465     GLN E    -2                                                      
REMARK 465     VAL E    -1                                                      
REMARK 465     PRO E     0                                                      
REMARK 465     MET E     1                                                      
REMARK 465     SER E     2                                                      
REMARK 465     ASN E     3                                                      
REMARK 465     LEU E     4                                                      
REMARK 465     LEU E     5                                                      
REMARK 465     THR E     6                                                      
REMARK 465     VAL E     7                                                      
REMARK 465     HIS E     8                                                      
REMARK 465     GLN E     9                                                      
REMARK 465     ASN E    10                                                      
REMARK 465     LEU E    11                                                      
REMARK 465     PRO E    12                                                      
REMARK 465     ALA E    13                                                      
REMARK 465     LEU E    14                                                      
REMARK 465     PRO E    15                                                      
REMARK 465     VAL E    16                                                      
REMARK 465     ASP E    17                                                      
REMARK 465     ALA E    18                                                      
REMARK 465     THR E    19                                                      
REMARK 465     SER E    20                                                      
REMARK 465     GLY E   342                                                      
REMARK 465     ASP E   343                                                      
REMARK 465     PHE F    -3                                                      
REMARK 465     GLN F    -2                                                      
REMARK 465     VAL F    -1                                                      
REMARK 465     PRO F     0                                                      
REMARK 465     MET F     1                                                      
REMARK 465     SER F     2                                                      
REMARK 465     ASN F     3                                                      
REMARK 465     LEU F     4                                                      
REMARK 465     LEU F     5                                                      
REMARK 465     THR F     6                                                      
REMARK 465     VAL F     7                                                      
REMARK 465     HIS F     8                                                      
REMARK 465     GLN F     9                                                      
REMARK 465     ASN F    10                                                      
REMARK 465     LEU F    11                                                      
REMARK 465     PRO F    12                                                      
REMARK 465     ALA F    13                                                      
REMARK 465     LEU F    14                                                      
REMARK 465     PRO F    15                                                      
REMARK 465     VAL F    16                                                      
REMARK 465     ASP F    17                                                      
REMARK 465     ALA F    18                                                      
REMARK 465     THR F    19                                                      
REMARK 465     GLY F   342                                                      
REMARK 465     ASP F   343                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DC C 100   O5' -  C5' -  C4' ANGL. DEV. =  -7.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ALA A  13       88.09    167.05                                   
REMARK 500    LEU A  14      100.70    -53.40                                   
REMARK 500    ASP A  17      -72.01    -80.86                                   
REMARK 500    SER A  20      130.57    179.97                                   
REMARK 500    ASP A  21     -125.53     92.64                                   
REMARK 500    GLN A  35        1.57    -69.68                                   
REMARK 500    PRO A 107     -167.69    -64.46                                   
REMARK 500    SER A 108       -4.62     56.20                                   
REMARK 500    ARG A 199      106.73     55.53                                   
REMARK 500    THR A 200     -104.62   -112.42                                   
REMARK 500    LYS A 201      -10.83   -174.43                                   
REMARK 500    VAL A 204       73.93   -106.65                                   
REMARK 500    PRO A 234       -8.64    -59.42                                   
REMARK 500    ASP A 277      173.39    -46.10                                   
REMARK 500    THR A 316       -9.69   -142.84                                   
REMARK 500    ASP B  33       42.99    -93.10                                   
REMARK 500    ARG B  34       -8.19    -59.81                                   
REMARK 500    LEU B  58       -5.87    -59.18                                   
REMARK 500    LYS B  62       99.37    -68.83                                   
REMARK 500    TRP B  63       -9.59    -57.93                                   
REMARK 500    LEU B 148       -5.28   -168.59                                   
REMARK 500    MET B 149      -10.88   -147.63                                   
REMARK 500    ASN B 151      -62.71    -91.95                                   
REMARK 500    SER B 152      107.19    -10.46                                   
REMARK 500    SER B 226      -74.14    -77.57                                   
REMARK 500    VAL B 227      -38.58    -33.45                                   
REMARK 500    LYS B 244      -17.87    -45.54                                   
REMARK 500    PRO B 250      151.30    -46.02                                   
REMARK 500    ALA B 275      130.36    -37.33                                   
REMARK 500    ASP B 277       91.96    -43.60                                   
REMARK 500    ASP B 278       98.96    -46.88                                   
REMARK 500    THR B 316       15.84   -140.32                                   
REMARK 500    ILE B 320      -53.64     76.80                                   
REMARK 500    TYR B 324        2.72    -62.79                                   
REMARK 500    ARG B 326       44.01   -175.80                                   
REMARK 500    ASN B 327     -139.33    -24.72                                   
REMARK 500    ASP B 329      -85.71    -81.05                                   
REMARK 500    SER B 330     -108.30    -29.17                                   
REMARK 500    GLU B 331       20.90    -78.87                                   
REMARK 500    THR B 332     -140.56     22.09                                   
REMARK 500    ALA B 334      -92.10     56.87                                   
REMARK 500    ASP E  33       56.43   -106.41                                   
REMARK 500    LEU E  58        1.03    170.18                                   
REMARK 500    ASN E  59       -2.22   -143.60                                   
REMARK 500    ASN E  60       71.36     57.75                                   
REMARK 500    PHE E  64      124.37   -175.02                                   
REMARK 500    SER E 147       -2.65    -59.62                                   
REMARK 500    MET E 149      -21.63   -140.02                                   
REMARK 500    LEU E 171        8.79     59.14                                   
REMARK 500    ARG E 199       27.08     41.46                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      75 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DT C 108         0.06    SIDE CHAIN                              
REMARK 500     DA D 104         0.07    SIDE CHAIN                              
REMARK 500     DA D 126         0.06    SIDE CHAIN                              
REMARK 500     DA G 115         0.06    SIDE CHAIN                              
REMARK 500     DG G 117         0.05    SIDE CHAIN                              
REMARK 500     DA G 124         0.05    SIDE CHAIN                              
REMARK 500     DA H 124         0.06    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG D 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 344                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 346                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 347                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG G 306                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG H 307                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 308                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1NZB   RELATED DB: PDB                                   
REMARK 900 PRE-CLEAVAGE COMPLEX (LOW RESOLUTION)                                
REMARK 900 RELATED ID: 1OUQ   RELATED DB: PDB                                   
REMARK 900 COVALENT INTERMEDIATE COMPLEX (LOW RESOLUTION)                       
REMARK 900 RELATED ID: 1Q3V   RELATED DB: PDB                                   
REMARK 900 COVALENT INTERMEDIATE COMPLEX (HIGH RESOLUTION)                      
DBREF  1Q3U A    1   343  UNP    P06956   RECR_BPP1        1    343             
DBREF  1Q3U B    1   343  UNP    P06956   RECR_BPP1        1    343             
DBREF  1Q3U E    1   343  UNP    P06956   RECR_BPP1        1    343             
DBREF  1Q3U F    1   343  UNP    P06956   RECR_BPP1        1    343             
DBREF  1Q3U C  100   136  PDB    1Q3U     1Q3U           100    136             
DBREF  1Q3U D  100   136  PDB    1Q3U     1Q3U           100    136             
DBREF  1Q3U G  100   136  PDB    1Q3U     1Q3U           100    136             
DBREF  1Q3U H  100   136  PDB    1Q3U     1Q3U           100    136             
SEQADV 1Q3U PHE A   -3  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U GLN A   -2  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U VAL A   -1  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U PRO A    0  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U PHE B   -3  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U GLN B   -2  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U VAL B   -1  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U PRO B    0  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U PHE E   -3  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U GLN E   -2  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U VAL E   -1  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U PRO E    0  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U PHE F   -3  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U GLN F   -2  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U VAL F   -1  UNP  P06956              CLONING ARTIFACT               
SEQADV 1Q3U PRO F    0  UNP  P06956              CLONING ARTIFACT               
SEQRES   1 C   37   DC  DG  DA  DT  DA  DA  DC UMP  DT  DC  DG  DT  DA          
SEQRES   2 C   37   DT  DA  DA  DT  DG  DT  DA  DT  DG  DC  DT  DA  DT          
SEQRES   3 C   37   DA  DC  DG  DA  DA  DG  DT  DT  DA  DT  DC                  
SEQRES   1 D   37   DG  DG  DA  DT  DA  DA  DC  DT  DT  DC  DG  DT  DA          
SEQRES   2 D   37   DT  DA  DG  DC  DA  DT  DA  DC  DA  DT  DT  DA  DT          
SEQRES   3 D   37   DA  DC  DG  DA  DA  DG  DT  DT  DA  DT  DC                  
SEQRES   1 G   37   DC  DG  DA  DT  DA  DA  DC UMP  DT  DC  DG  DT  DA          
SEQRES   2 G   37   DT  DA  DA  DT  DG  DT  DA  DT  DG  DC  DT  DA  DT          
SEQRES   3 G   37   DA  DC  DG  DA  DA  DG  DT  DT  DA  DT  DC                  
SEQRES   1 H   37   DG  DG  DA  DT  DA  DA  DC  DT  DT  DC  DG  DT  DA          
SEQRES   2 H   37   DT  DA  DG  DC  DA  DT  DA  DC  DA  DT  DT  DA  DT          
SEQRES   3 H   37   DA  DC  DG  DA  DA  DG  DT  DT  DA  DT  DC                  
SEQRES   1 A  347  PHE GLN VAL PRO MET SER ASN LEU LEU THR VAL HIS GLN          
SEQRES   2 A  347  ASN LEU PRO ALA LEU PRO VAL ASP ALA THR SER ASP GLU          
SEQRES   3 A  347  VAL ARG LYS ASN LEU MET ASP MET PHE ARG ASP ARG GLN          
SEQRES   4 A  347  ALA PHE SER GLU HIS THR TRP LYS MET LEU LEU SER VAL          
SEQRES   5 A  347  CYS ARG SER TRP ALA ALA TRP CYS LYS LEU ASN ASN ARG          
SEQRES   6 A  347  LYS TRP PHE PRO ALA GLU PRO GLU ASP VAL ARG ASP TYR          
SEQRES   7 A  347  LEU LEU TYR LEU GLN ALA ARG GLY LEU ALA VAL LYS THR          
SEQRES   8 A  347  ILE GLN GLN HIS LEU GLY GLN LEU ASN MET LEU HIS ARG          
SEQRES   9 A  347  ARG SER GLY LEU PRO ARG PRO SER ASP SER ASN ALA VAL          
SEQRES  10 A  347  SER LEU VAL MET ARG ARG ILE ARG LYS GLU ASN VAL ASP          
SEQRES  11 A  347  ALA GLY GLU ARG ALA LYS GLN ALA LEU ALA PHE GLU ARG          
SEQRES  12 A  347  THR ASP PHE ASP GLN VAL ARG SER LEU MET GLU ASN SER          
SEQRES  13 A  347  ASP ARG CYS GLN ASP ILE ARG ASN LEU ALA PHE LEU GLY          
SEQRES  14 A  347  ILE ALA TYR ASN THR LEU LEU ARG ILE ALA GLU ILE ALA          
SEQRES  15 A  347  ARG ILE ARG VAL LYS ASP ILE SER ARG THR ASP GLY GLY          
SEQRES  16 A  347  ARG MET LEU ILE HIS ILE GLY ARG THR LYS THR LEU VAL          
SEQRES  17 A  347  SER THR ALA GLY VAL GLU LYS ALA LEU SER LEU GLY VAL          
SEQRES  18 A  347  THR LYS LEU VAL GLU ARG TRP ILE SER VAL SER GLY VAL          
SEQRES  19 A  347  ALA ASP ASP PRO ASN ASN TYR LEU PHE CYS ARG VAL ARG          
SEQRES  20 A  347  LYS ASN GLY VAL ALA ALA PRO SER ALA THR SER GLN LEU          
SEQRES  21 A  347  SER THR ARG ALA LEU GLU GLY ILE PHE GLU ALA THR HIS          
SEQRES  22 A  347  ARG LEU ILE TYR GLY ALA LYS ASP ASP SER GLY GLN ARG          
SEQRES  23 A  347  TYR LEU ALA TRP SER GLY HIS SER ALA ARG VAL GLY ALA          
SEQRES  24 A  347  ALA ARG ASP MET ALA ARG ALA GLY VAL SER ILE PRO GLU          
SEQRES  25 A  347  ILE MET GLN ALA GLY GLY TRP THR ASN VAL ASN ILE VAL          
SEQRES  26 A  347  MET ASN TYR ILE ARG ASN LEU ASP SER GLU THR GLY ALA          
SEQRES  27 A  347  MET VAL ARG LEU LEU GLU ASP GLY ASP                          
SEQRES   1 B  347  PHE GLN VAL PRO MET SER ASN LEU LEU THR VAL HIS GLN          
SEQRES   2 B  347  ASN LEU PRO ALA LEU PRO VAL ASP ALA THR SER ASP GLU          
SEQRES   3 B  347  VAL ARG LYS ASN LEU MET ASP MET PHE ARG ASP ARG GLN          
SEQRES   4 B  347  ALA PHE SER GLU HIS THR TRP LYS MET LEU LEU SER VAL          
SEQRES   5 B  347  CYS ARG SER TRP ALA ALA TRP CYS LYS LEU ASN ASN ARG          
SEQRES   6 B  347  LYS TRP PHE PRO ALA GLU PRO GLU ASP VAL ARG ASP TYR          
SEQRES   7 B  347  LEU LEU TYR LEU GLN ALA ARG GLY LEU ALA VAL LYS THR          
SEQRES   8 B  347  ILE GLN GLN HIS LEU GLY GLN LEU ASN MET LEU HIS ARG          
SEQRES   9 B  347  ARG SER GLY LEU PRO ARG PRO SER ASP SER ASN ALA VAL          
SEQRES  10 B  347  SER LEU VAL MET ARG ARG ILE ARG LYS GLU ASN VAL ASP          
SEQRES  11 B  347  ALA GLY GLU ARG ALA LYS GLN ALA LEU ALA PHE GLU ARG          
SEQRES  12 B  347  THR ASP PHE ASP GLN VAL ARG SER LEU MET GLU ASN SER          
SEQRES  13 B  347  ASP ARG CYS GLN ASP ILE ARG ASN LEU ALA PHE LEU GLY          
SEQRES  14 B  347  ILE ALA TYR ASN THR LEU LEU ARG ILE ALA GLU ILE ALA          
SEQRES  15 B  347  ARG ILE ARG VAL LYS ASP ILE SER ARG THR ASP GLY GLY          
SEQRES  16 B  347  ARG MET LEU ILE HIS ILE GLY ARG THR LYS THR LEU VAL          
SEQRES  17 B  347  SER THR ALA GLY VAL GLU LYS ALA LEU SER LEU GLY VAL          
SEQRES  18 B  347  THR LYS LEU VAL GLU ARG TRP ILE SER VAL SER GLY VAL          
SEQRES  19 B  347  ALA ASP ASP PRO ASN ASN TYR LEU PHE CYS ARG VAL ARG          
SEQRES  20 B  347  LYS ASN GLY VAL ALA ALA PRO SER ALA THR SER GLN LEU          
SEQRES  21 B  347  SER THR ARG ALA LEU GLU GLY ILE PHE GLU ALA THR HIS          
SEQRES  22 B  347  ARG LEU ILE TYR GLY ALA LYS ASP ASP SER GLY GLN ARG          
SEQRES  23 B  347  TYR LEU ALA TRP SER GLY HIS SER ALA ARG VAL GLY ALA          
SEQRES  24 B  347  ALA ARG ASP MET ALA ARG ALA GLY VAL SER ILE PRO GLU          
SEQRES  25 B  347  ILE MET GLN ALA GLY GLY TRP THR ASN VAL ASN ILE VAL          
SEQRES  26 B  347  MET ASN TYR ILE ARG ASN LEU ASP SER GLU THR GLY ALA          
SEQRES  27 B  347  MET VAL ARG LEU LEU GLU ASP GLY ASP                          
SEQRES   1 E  347  PHE GLN VAL PRO MET SER ASN LEU LEU THR VAL HIS GLN          
SEQRES   2 E  347  ASN LEU PRO ALA LEU PRO VAL ASP ALA THR SER ASP GLU          
SEQRES   3 E  347  VAL ARG LYS ASN LEU MET ASP MET PHE ARG ASP ARG GLN          
SEQRES   4 E  347  ALA PHE SER GLU HIS THR TRP LYS MET LEU LEU SER VAL          
SEQRES   5 E  347  CYS ARG SER TRP ALA ALA TRP CYS LYS LEU ASN ASN ARG          
SEQRES   6 E  347  LYS TRP PHE PRO ALA GLU PRO GLU ASP VAL ARG ASP TYR          
SEQRES   7 E  347  LEU LEU TYR LEU GLN ALA ARG GLY LEU ALA VAL LYS THR          
SEQRES   8 E  347  ILE GLN GLN HIS LEU GLY GLN LEU ASN MET LEU HIS ARG          
SEQRES   9 E  347  ARG SER GLY LEU PRO ARG PRO SER ASP SER ASN ALA VAL          
SEQRES  10 E  347  SER LEU VAL MET ARG ARG ILE ARG LYS GLU ASN VAL ASP          
SEQRES  11 E  347  ALA GLY GLU ARG ALA LYS GLN ALA LEU ALA PHE GLU ARG          
SEQRES  12 E  347  THR ASP PHE ASP GLN VAL ARG SER LEU MET GLU ASN SER          
SEQRES  13 E  347  ASP ARG CYS GLN ASP ILE ARG ASN LEU ALA PHE LEU GLY          
SEQRES  14 E  347  ILE ALA TYR ASN THR LEU LEU ARG ILE ALA GLU ILE ALA          
SEQRES  15 E  347  ARG ILE ARG VAL LYS ASP ILE SER ARG THR ASP GLY GLY          
SEQRES  16 E  347  ARG MET LEU ILE HIS ILE GLY ARG THR LYS THR LEU VAL          
SEQRES  17 E  347  SER THR ALA GLY VAL GLU LYS ALA LEU SER LEU GLY VAL          
SEQRES  18 E  347  THR LYS LEU VAL GLU ARG TRP ILE SER VAL SER GLY VAL          
SEQRES  19 E  347  ALA ASP ASP PRO ASN ASN TYR LEU PHE CYS ARG VAL ARG          
SEQRES  20 E  347  LYS ASN GLY VAL ALA ALA PRO SER ALA THR SER GLN LEU          
SEQRES  21 E  347  SER THR ARG ALA LEU GLU GLY ILE PHE GLU ALA THR HIS          
SEQRES  22 E  347  ARG LEU ILE TYR GLY ALA LYS ASP ASP SER GLY GLN ARG          
SEQRES  23 E  347  TYR LEU ALA TRP SER GLY HIS SER ALA ARG VAL GLY ALA          
SEQRES  24 E  347  ALA ARG ASP MET ALA ARG ALA GLY VAL SER ILE PRO GLU          
SEQRES  25 E  347  ILE MET GLN ALA GLY GLY TRP THR ASN VAL ASN ILE VAL          
SEQRES  26 E  347  MET ASN TYR ILE ARG ASN LEU ASP SER GLU THR GLY ALA          
SEQRES  27 E  347  MET VAL ARG LEU LEU GLU ASP GLY ASP                          
SEQRES   1 F  347  PHE GLN VAL PRO MET SER ASN LEU LEU THR VAL HIS GLN          
SEQRES   2 F  347  ASN LEU PRO ALA LEU PRO VAL ASP ALA THR SER ASP GLU          
SEQRES   3 F  347  VAL ARG LYS ASN LEU MET ASP MET PHE ARG ASP ARG GLN          
SEQRES   4 F  347  ALA PHE SER GLU HIS THR TRP LYS MET LEU LEU SER VAL          
SEQRES   5 F  347  CYS ARG SER TRP ALA ALA TRP CYS LYS LEU ASN ASN ARG          
SEQRES   6 F  347  LYS TRP PHE PRO ALA GLU PRO GLU ASP VAL ARG ASP TYR          
SEQRES   7 F  347  LEU LEU TYR LEU GLN ALA ARG GLY LEU ALA VAL LYS THR          
SEQRES   8 F  347  ILE GLN GLN HIS LEU GLY GLN LEU ASN MET LEU HIS ARG          
SEQRES   9 F  347  ARG SER GLY LEU PRO ARG PRO SER ASP SER ASN ALA VAL          
SEQRES  10 F  347  SER LEU VAL MET ARG ARG ILE ARG LYS GLU ASN VAL ASP          
SEQRES  11 F  347  ALA GLY GLU ARG ALA LYS GLN ALA LEU ALA PHE GLU ARG          
SEQRES  12 F  347  THR ASP PHE ASP GLN VAL ARG SER LEU MET GLU ASN SER          
SEQRES  13 F  347  ASP ARG CYS GLN ASP ILE ARG ASN LEU ALA PHE LEU GLY          
SEQRES  14 F  347  ILE ALA TYR ASN THR LEU LEU ARG ILE ALA GLU ILE ALA          
SEQRES  15 F  347  ARG ILE ARG VAL LYS ASP ILE SER ARG THR ASP GLY GLY          
SEQRES  16 F  347  ARG MET LEU ILE HIS ILE GLY ARG THR LYS THR LEU VAL          
SEQRES  17 F  347  SER THR ALA GLY VAL GLU LYS ALA LEU SER LEU GLY VAL          
SEQRES  18 F  347  THR LYS LEU VAL GLU ARG TRP ILE SER VAL SER GLY VAL          
SEQRES  19 F  347  ALA ASP ASP PRO ASN ASN TYR LEU PHE CYS ARG VAL ARG          
SEQRES  20 F  347  LYS ASN GLY VAL ALA ALA PRO SER ALA THR SER GLN LEU          
SEQRES  21 F  347  SER THR ARG ALA LEU GLU GLY ILE PHE GLU ALA THR HIS          
SEQRES  22 F  347  ARG LEU ILE TYR GLY ALA LYS ASP ASP SER GLY GLN ARG          
SEQRES  23 F  347  TYR LEU ALA TRP SER GLY HIS SER ALA ARG VAL GLY ALA          
SEQRES  24 F  347  ALA ARG ASP MET ALA ARG ALA GLY VAL SER ILE PRO GLU          
SEQRES  25 F  347  ILE MET GLN ALA GLY GLY TRP THR ASN VAL ASN ILE VAL          
SEQRES  26 F  347  MET ASN TYR ILE ARG ASN LEU ASP SER GLU THR GLY ALA          
SEQRES  27 F  347  MET VAL ARG LEU LEU GLU ASP GLY ASP                          
MODRES 1Q3U UMP C  107    U  2'-DEOXYURIDINE 5'-MONOPHOSPHATE                   
MODRES 1Q3U UMP G  107    U  2'-DEOXYURIDINE 5'-MONOPHOSPHATE                   
HET    UMP  C 107      19                                                       
HET    UMP  G 107      19                                                       
HET    IOD  C 200       1                                                       
HET     MG  C 308       1                                                       
HET     MG  D 301       1                                                       
HET     MG  D 310       1                                                       
HET     MG  G 306       1                                                       
HET     MG  H 307       1                                                       
HET     MG  A 344       1                                                       
HET     MG  A 345       1                                                       
HET     MG  A 346       1                                                       
HET     MG  A 347       1                                                       
HET    IOD  F 344       1                                                       
HET     MG  F 345       1                                                       
HETNAM     UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE                                 
HETNAM     IOD IODIDE ION                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETSYN     UMP DUMP                                                             
FORMUL   1  UMP    2(C9 H13 N2 O8 P)                                            
FORMUL   9  IOD    2(I 1-)                                                      
FORMUL  10   MG    10(MG 2+)                                                    
FORMUL  21  HOH   *3(H2 O)                                                      
HELIX    1   1 ASP A   21  ASP A   33  1                                  13    
HELIX    2   2 ARG A   34  PHE A   37  5                                   4    
HELIX    3   3 SER A   38  ASN A   59  1                                  22    
HELIX    4   4 GLU A   67  ARG A   81  1                                  15    
HELIX    5   5 ALA A   84  ARG A  101  1                                  18    
HELIX    6   6 SER A  110  ASP A  126  1                                  17    
HELIX    7   7 GLU A  138  GLU A  150  1                                  13    
HELIX    8   8 ARG A  154  LEU A  171  1                                  18    
HELIX    9   9 ARG A  173  ILE A  180  1                                   8    
HELIX   10  10 ARG A  181  LYS A  183  5                                   3    
HELIX   11  11 SER A  214  GLY A  229  1                                  16    
HELIX   12  12 VAL A  230  ASP A  233  5                                   4    
HELIX   13  13 SER A  257  GLY A  274  1                                  18    
HELIX   14  14 HIS A  289  ALA A  302  1                                  14    
HELIX   15  15 SER A  305  GLY A  313  1                                   9    
HELIX   16  16 ASN A  317  ILE A  325  1                                   9    
HELIX   17  17 LEU A  328  THR A  332  5                                   5    
HELIX   18  18 GLY A  333  ASP A  341  1                                   9    
HELIX   19  19 ASP B   21  ASP B   33  1                                  13    
HELIX   20  20 ARG B   34  PHE B   37  5                                   4    
HELIX   21  21 SER B   38  ASN B   59  1                                  22    
HELIX   22  22 GLU B   67  ARG B   81  1                                  15    
HELIX   23  23 ALA B   84  GLY B  103  1                                  20    
HELIX   24  24 ARG B  106  ASP B  109  5                                   4    
HELIX   25  25 SER B  110  ALA B  127  1                                  18    
HELIX   26  26 GLU B  138  SER B  147  1                                  10    
HELIX   27  27 ARG B  154  LEU B  171  1                                  18    
HELIX   28  28 ARG B  173  ARG B  179  1                                   7    
HELIX   29  29 ILE B  180  ILE B  180  5                                   1    
HELIX   30  30 ARG B  181  LYS B  183  5                                   3    
HELIX   31  31 SER B  214  SER B  228  1                                  15    
HELIX   32  32 GLY B  229  ASP B  233  5                                   5    
HELIX   33  33 SER B  257  GLY B  274  1                                  18    
HELIX   34  34 HIS B  289  GLY B  303  1                                  15    
HELIX   35  35 SER B  305  GLY B  314  1                                  10    
HELIX   36  36 ALA B  334  GLU B  340  1                                   7    
HELIX   37  37 ASP E   21  ASP E   33  1                                  13    
HELIX   38  38 ARG E   34  PHE E   37  5                                   4    
HELIX   39  39 SER E   38  LYS E   57  1                                  20    
HELIX   40  40 GLU E   67  ARG E   81  1                                  15    
HELIX   41  41 ALA E   84  ARG E  101  1                                  18    
HELIX   42  42 ARG E  106  ASP E  109  5                                   4    
HELIX   43  43 SER E  110  ALA E  127  1                                  18    
HELIX   44  44 GLU E  138  LEU E  148  1                                  11    
HELIX   45  45 ARG E  154  LEU E  171  1                                  18    
HELIX   46  46 ARG E  173  ILE E  180  1                                   8    
HELIX   47  47 ARG E  181  LYS E  183  5                                   3    
HELIX   48  48 SER E  214  GLY E  229  1                                  16    
HELIX   49  49 VAL E  230  ASP E  233  5                                   4    
HELIX   50  50 SER E  257  GLY E  274  1                                  18    
HELIX   51  51 HIS E  289  GLY E  303  1                                  15    
HELIX   52  52 SER E  305  GLY E  313  1                                   9    
HELIX   53  53 ASN E  317  ILE E  325  1                                   9    
HELIX   54  54 LEU E  328  THR E  332  5                                   5    
HELIX   55  55 GLY E  333  ASP E  341  1                                   9    
HELIX   56  56 SER F   20  ASP F   33  1                                  14    
HELIX   57  57 ARG F   34  PHE F   37  5                                   4    
HELIX   58  58 SER F   38  ASN F   59  1                                  22    
HELIX   59  59 GLU F   67  ARG F   81  1                                  15    
HELIX   60  60 ALA F   84  ARG F  101  1                                  18    
HELIX   61  61 ARG F  106  ASP F  109  5                                   4    
HELIX   62  62 SER F  110  ALA F  127  1                                  18    
HELIX   63  63 GLU F  138  GLU F  150  1                                  13    
HELIX   64  64 ARG F  154  LEU F  171  1                                  18    
HELIX   65  65 ARG F  173  ALA F  178  1                                   6    
HELIX   66  66 ARG F  179  ILE F  180  5                                   2    
HELIX   67  67 ARG F  181  LYS F  183  5                                   3    
HELIX   68  68 SER F  214  GLY F  229  1                                  16    
HELIX   69  69 VAL F  230  ASP F  233  5                                   4    
HELIX   70  70 SER F  257  LEU F  271  1                                  15    
HELIX   71  71 HIS F  289  GLY F  303  1                                  15    
HELIX   72  72 SER F  305  GLY F  314  1                                  10    
HELIX   73  73 VAL F  318  TYR F  324  1                                   7    
HELIX   74  74 ALA F  334  GLU F  340  1                                   7    
SHEET    1   A 3 ILE A 185  ARG A 187  0                                        
SHEET    2   A 3 MET A 193  HIS A 196 -1  O  LEU A 194   N  SER A 186           
SHEET    3   A 3 GLU A 210  ALA A 212 -1  O  LYS A 211   N  ILE A 195           
SHEET    1   B 2 ARG A 241  VAL A 242  0                                        
SHEET    2   B 2 ALA A 248  ALA A 249 -1  O  ALA A 249   N  ARG A 241           
SHEET    1   C 3 ILE B 185  ARG B 187  0                                        
SHEET    2   C 3 MET B 193  ARG B 199 -1  O  LEU B 194   N  SER B 186           
SHEET    3   C 3 VAL B 204  ALA B 212 -1  O  VAL B 209   N  ILE B 197           
SHEET    1   D 2 VAL B 242  ARG B 243  0                                        
SHEET    2   D 2 VAL B 247  ALA B 248 -1  O  VAL B 247   N  ARG B 243           
SHEET    1   E 3 ILE E 185  ARG E 187  0                                        
SHEET    2   E 3 MET E 193  HIS E 196 -1  O  LEU E 194   N  SER E 186           
SHEET    3   E 3 GLU E 210  ALA E 212 -1  O  LYS E 211   N  ILE E 195           
SHEET    1   F 2 ARG E 241  VAL E 242  0                                        
SHEET    2   F 2 ALA E 248  ALA E 249 -1  O  ALA E 249   N  ARG E 241           
SHEET    1   G 3 ILE F 185  ARG F 187  0                                        
SHEET    2   G 3 MET F 193  THR F 200 -1  O  LEU F 194   N  SER F 186           
SHEET    3   G 3 LEU F 203  ALA F 212 -1  O  LYS F 211   N  ILE F 195           
SHEET    1   H 2 ARG F 241  VAL F 242  0                                        
SHEET    2   H 2 ALA F 248  ALA F 249 -1  O  ALA F 249   N  ARG F 241           
LINK         O3'  DC C 106                 P   UMP C 107     1555   1555  1.61  
LINK         O3' UMP C 107                 P    DT C 108     1555   1555  1.60  
LINK         O3'  DC G 106                 P   UMP G 107     1555   1555  1.62  
LINK         O3' UMP G 107                 P    DT G 108     1555   1555  1.60  
CISPEP   1 PHE A   64    PRO A   65          0        -0.39                     
CISPEP   2 PHE B   64    PRO B   65          0        -0.40                     
CISPEP   3 PHE E   64    PRO E   65          0         0.01                     
CISPEP   4 PHE F   64    PRO F   65          0        -0.38                     
SITE     1 AC1  3 HIS A  40  LYS A  43   DT D 111                               
SITE     1 AC2  1 HIS A 269                                                     
SITE     1 AC3  1  DC D 106                                                     
SITE     1 AC4  1 ASP A 157                                                     
SITE     1 AC5  1  DG G 117                                                     
SITE     1 AC6  1  DC H 120                                                     
SITE     1 AC7  1  DG C 117                                                     
CRYST1  107.991  161.064  196.003  90.00  90.00  90.00 P 21 21 21   16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.009260  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006209  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005102        0.00000