PDB Short entry for 1DQU
HEADER    LYASE                                   05-JAN-00   1DQU              
TITLE     CRYSTAL STRUCTURE OF THE ISOCITRATE LYASE FROM ASPERGILLUS NIDULANS   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ISOCITRATE LYASE;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 4.1.3.1;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: EMERICELLA NIDULANS;                            
SOURCE   3 ORGANISM_TAXID: 162425;                                              
SOURCE   4 EXPRESSION_SYSTEM: EMERICELLA NIDULANS;                              
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 162425;                                     
SOURCE   6 EXPRESSION_SYSTEM_VECTOR: PDJB11;                                    
SOURCE   7 OTHER_DETAILS: MULTICOPY INSERTION OF VECTOR INTO CHROMOSOME         
KEYWDS    BETA BARREL, LYASE                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.L.BRITTON,S.J.LANGRIDGE,P.J.BAKER,K.WEERADECHAPON,S.E.SEDELNIKOVA,  
AUTHOR   2 J.R.DE LUCAS,D.W.RICE,G.TURNER                                       
REVDAT   6   07-FEB-24 1DQU    1       REMARK SEQADV                            
REVDAT   5   04-OCT-17 1DQU    1       REMARK                                   
REVDAT   4   13-JUL-11 1DQU    1       VERSN                                    
REVDAT   3   24-FEB-09 1DQU    1       VERSN                                    
REVDAT   2   01-APR-03 1DQU    1       JRNL                                     
REVDAT   1   10-MAY-00 1DQU    0                                                
JRNL        AUTH   K.BRITTON,S.LANGRIDGE,P.J.BAKER,K.WEERADECHAPON,             
JRNL        AUTH 2 S.E.SEDELNIKOVA,J.R.DE LUCAS,D.W.RICE,G.TURNER               
JRNL        TITL   THE CRYSTAL STRUCTURE AND ACTIVE SITE LOCATION OF ISOCITRATE 
JRNL        TITL 2 LYASE FROM THE FUNGUS ASPERGILLUS NIDULANS.                  
JRNL        REF    STRUCTURE FOLD.DES.           V.   8   349 2000              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   10801489                                                     
JRNL        DOI    10.1016/S0969-2126(00)00117-9                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.J.LANGRIDGE,P.J.BAKER,J.R.DE LUCAS,S.E.SEDELNIKOVA,        
REMARK   1  AUTH 2 G.TURNER,D.W.RICE                                            
REMARK   1  TITL   ISOCITRATE LYASE FROM ASPERGILLUS NIDULANS: CRYSTALLIZATION  
REMARK   1  TITL 2 AND X-RAY ANALYSIS OF A GLYOXYLATE CYCLE ENZYME.             
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  53   488 1997              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S0907444997002680                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 15857                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.276                           
REMARK   3   R VALUE            (WORKING SET) : 0.273                           
REMARK   3   FREE R VALUE                     : 0.376                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 818                             
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.2760                 
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 15857                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4069                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.013 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 1.500 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : NULL  ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : NULL  ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : ENGH & HUBER                                     
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DQU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JAN-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000010306.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-FEB-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 298.0                              
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.87                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (AGROVATA, ROTAVATA           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21252                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.5                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : 0.05000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.56                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 71.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: MLPHARE                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.67                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 2000, SODIUM HEPES, PH 7.5, VAPOR    
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 290K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       45.96500            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       45.96500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       76.38500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       45.96500            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       45.96500            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       76.38500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       45.96500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       45.96500            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       76.38500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       45.96500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       45.96500            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       76.38500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  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: THE BIOLOGICAL ASSEMBLY IS A TETRAMER CONSTRUCTED FROM       
REMARK 300 CHAIN A GENERATED BY 222 SYMMETRY                                    
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 30360 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 75440 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -190.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 350   BIOMT1   2 -1.000000  0.000000  0.000000       91.93000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       91.93000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000 -1.000000  0.000000       91.93000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000       91.93000            
REMARK 350   BIOMT3   4  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     MET A     1                                                      
REMARK 465     LYS A   205                                                      
REMARK 465     CYS A   206                                                      
REMARK 465     GLY A   207                                                      
REMARK 465     HIS A   208                                                      
REMARK 465     MET A   209                                                      
REMARK 465     ALA A   210                                                      
REMARK 465     VAL A   521                                                      
REMARK 465     SER A   522                                                      
REMARK 465     SER A   523                                                      
REMARK 465     THR A   524                                                      
REMARK 465     ALA A   525                                                      
REMARK 465     ALA A   526                                                      
REMARK 465     MET A   527                                                      
REMARK 465     GLY A   528                                                      
REMARK 465     LYS A   529                                                      
REMARK 465     GLY A   530                                                      
REMARK 465     VAL A   531                                                      
REMARK 465     THR A   532                                                      
REMARK 465     GLU A   533                                                      
REMARK 465     ASP A   534                                                      
REMARK 465     GLN A   535                                                      
REMARK 465     PHE A   536                                                      
REMARK 465     LYS A   537                                                      
REMARK 465     SER A   538                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A   68   CD   CE   NZ                                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    THR A   518     O    GLY A   519              1.50            
REMARK 500   OD1  ASP A    80     N    PRO A    81              1.77            
REMARK 500   O    ALA A   474     N    LYS A   477              1.95            
REMARK 500   O    GLU A   291     CD1  ILE A   295              1.98            
REMARK 500   O    GLU A   342     N    ALA A   345              2.14            
REMARK 500   O    ALA A   290     N    GLN A   293              2.14            
REMARK 500   O    PRO A   274     OD2  ASP A   277              2.15            
REMARK 500   O    ASN A    66     N    LYS A    70              2.16            
REMARK 500   NZ   LYS A   140     O    TRP A   504              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OE1  GLU A    14     NH2  ARG A   142     7555     1.90            
REMARK 500   OE2  GLU A   283     O    GLY A   520     8665     2.02            
REMARK 500   CD1  ILE A    39     CE   MET A   516     7555     2.03            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    PRO A 320   C   -  N   -  CD  ANGL. DEV. = -14.0 DEGREES          
REMARK 500    PRO A 387   C   -  N   -  CD  ANGL. DEV. = -16.7 DEGREES          
REMARK 500    PRO A 435   C   -  N   -  CD  ANGL. DEV. = -17.0 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  16       -8.95    -52.44                                   
REMARK 500    ASP A  24      150.40    -46.78                                   
REMARK 500    THR A  75     -156.47   -169.15                                   
REMARK 500    THR A 104       -0.65   -151.26                                   
REMARK 500    ALA A 105       32.43   -143.05                                   
REMARK 500    SER A 107      -17.04    -45.19                                   
REMARK 500    ASP A 114       90.08    -52.59                                   
REMARK 500    ALA A 116       57.19    -92.61                                   
REMARK 500    LYS A 150      -38.77    -36.88                                   
REMARK 500    HIS A 154      -21.26    -35.19                                   
REMARK 500    ASP A 170     -129.21     63.45                                   
REMARK 500    ARG A 189       32.50    -98.95                                   
REMARK 500    PRO A 201      106.62    -58.56                                   
REMARK 500    LEU A 224      -38.64    -37.02                                   
REMARK 500    LEU A 238      145.31    -26.26                                   
REMARK 500    GLU A 247        3.49    -44.11                                   
REMARK 500    ALA A 248      -12.26   -149.11                                   
REMARK 500    ILE A 256      -45.22    -23.17                                   
REMARK 500    ALA A 282      -36.10    -37.12                                   
REMARK 500    LYS A 287       73.88     51.82                                   
REMARK 500    ASN A 288     -108.40    -12.60                                   
REMARK 500    ALA A 290      -79.98    -48.36                                   
REMARK 500    GLU A 291      -59.59    -15.46                                   
REMARK 500    ALA A 303       -6.41    -47.54                                   
REMARK 500    LYS A 306     -168.98   -160.84                                   
REMARK 500    LEU A 307       54.70   -110.21                                   
REMARK 500    PHE A 308      -90.99     47.60                                   
REMARK 500    ASN A 309      -34.98    -28.80                                   
REMARK 500    ALA A 315      -65.36    -28.08                                   
REMARK 500    ASN A 323       39.41     77.01                                   
REMARK 500    LYS A 324      -74.08    -41.69                                   
REMARK 500    ALA A 327      -81.48    -55.52                                   
REMARK 500    ILE A 328      -56.51    -25.99                                   
REMARK 500    GLU A 329      -70.90    -49.06                                   
REMARK 500    LYS A 330      -81.38    -32.92                                   
REMARK 500    TYR A 331      -70.30    -30.14                                   
REMARK 500    GLU A 342      -79.36    -63.13                                   
REMARK 500    ALA A 343      -50.91    -28.76                                   
REMARK 500    ALA A 347      -81.01    -34.62                                   
REMARK 500    LYS A 348      -72.96    -39.03                                   
REMARK 500    ILE A 350      -77.26    -60.96                                   
REMARK 500    PHE A 357      115.95   -161.17                                   
REMARK 500    TRP A 359       46.25    -91.92                                   
REMARK 500    GLU A 360      -18.50   -144.80                                   
REMARK 500    ARG A 363      149.18    -39.84                                   
REMARK 500    ALA A 386      -24.91    -34.98                                   
REMARK 500    MET A 434      135.46   -171.01                                   
REMARK 500    ILE A 456       67.95   -104.63                                   
REMARK 500    THR A 457      -73.98     -6.66                                   
REMARK 500    LEU A 458       36.92    -93.07                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      58 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1DQU A    1   538  UNP    P28298   ACEA_EMENI       1    537             
SEQADV 1DQU ALA A   17  UNP  P28298              INSERTION                      
SEQADV 1DQU ALA A  157  UNP  P28298    THR   158 SEE REMARK 999                 
SEQRES   1 A  538  MET SER TYR ILE GLU GLU GLU ASP GLN ARG TYR TRP ASP          
SEQRES   2 A  538  GLU VAL ALA ALA VAL LYS ASN TRP TRP LYS ASP SER ARG          
SEQRES   3 A  538  TRP ARG TYR THR LYS ARG PRO PHE THR ALA GLU GLN ILE          
SEQRES   4 A  538  VAL ALA LYS ARG GLY ASN LEU LYS ILE GLU TYR PRO SER          
SEQRES   5 A  538  ASN VAL GLN ALA LYS LYS LEU TRP GLY ILE LEU GLU ARG          
SEQRES   6 A  538  ASN PHE LYS ASN LYS GLU ALA SER PHE THR TYR GLY CYS          
SEQRES   7 A  538  LEU ASP PRO THR MET VAL THR GLN MET ALA LYS TYR LEU          
SEQRES   8 A  538  ASP THR VAL TYR VAL SER GLY TRP GLN SER SER SER THR          
SEQRES   9 A  538  ALA SER SER THR ASP GLU PRO SER PRO ASP LEU ALA ASP          
SEQRES  10 A  538  TYR PRO MET ASN THR VAL PRO ASN LYS VAL ASN HIS LEU          
SEQRES  11 A  538  TRP MET ALA GLN LEU PHE HIS ASP ARG LYS GLN ARG GLU          
SEQRES  12 A  538  GLU ARG MET THR THR PRO LYS ASP GLN ARG HIS LYS VAL          
SEQRES  13 A  538  ALA ASN VAL ASP TYR LEU ARG PRO ILE ILE ALA ASP ALA          
SEQRES  14 A  538  ASP THR GLY HIS GLY GLY LEU THR ALA VAL MET LYS LEU          
SEQRES  15 A  538  THR LYS LEU PHE VAL GLU ARG GLY ALA ALA GLY ILE HIS          
SEQRES  16 A  538  ILE GLU ASP GLN ALA PRO GLY THR LYS LYS CYS GLY HIS          
SEQRES  17 A  538  MET ALA GLY LYS VAL LEU VAL PRO ILE SER GLU HIS ILE          
SEQRES  18 A  538  ASN ARG LEU VAL ALA ILE ARG ALA GLN ALA ASP ILE MET          
SEQRES  19 A  538  GLY THR ASP LEU LEU ALA ILE ALA ARG THR ASP SER GLU          
SEQRES  20 A  538  ALA ALA THR LEU ILE THR SER THR ILE ASP HIS ARG ASP          
SEQRES  21 A  538  HIS PRO PHE ILE ILE GLY SER THR ASN PRO ASP ILE GLN          
SEQRES  22 A  538  PRO LEU ASN ASP LEU MET VAL MET ALA GLU GLN ALA GLY          
SEQRES  23 A  538  LYS ASN GLY ALA GLU LEU GLN ALA ILE GLU ASP GLU TRP          
SEQRES  24 A  538  LEU ALA LYS ALA GLY LEU LYS LEU PHE ASN ASP ALA VAL          
SEQRES  25 A  538  VAL ASP ALA ILE ASN ASN SER PRO LEU PRO ASN LYS LYS          
SEQRES  26 A  538  ALA ALA ILE GLU LYS TYR LEU THR GLN SER LYS GLY LYS          
SEQRES  27 A  538  SER ASN LEU GLU ALA ARG ALA ILE ALA LYS GLU ILE ALA          
SEQRES  28 A  538  GLY THR ASP ILE TYR PHE ASP TRP GLU ALA PRO ARG THR          
SEQRES  29 A  538  ARG GLU GLY TYR TYR ARG TYR GLN GLY GLY THR GLN CYS          
SEQRES  30 A  538  ALA ILE ASN ARG ALA VAL ALA TYR ALA PRO PHE ALA ASP          
SEQRES  31 A  538  LEU ILE TRP MET GLU SER LYS LEU PRO ASP TYR LYS GLN          
SEQRES  32 A  538  ALA LYS GLU PHE ALA ASP GLY VAL HIS ALA VAL TRP PRO          
SEQRES  33 A  538  GLU GLN LYS LEU ALA TYR ASN LEU SER PRO SER PHE ASN          
SEQRES  34 A  538  TRP LYS LYS ALA MET PRO ARG ASP GLU GLN GLU THR TYR          
SEQRES  35 A  538  ILE LYS ARG LEU GLY ALA LEU GLY TYR ALA TRP GLN PHE          
SEQRES  36 A  538  ILE THR LEU ALA GLY LEU HIS THR THR ALA LEU ILE SER          
SEQRES  37 A  538  ASP THR PHE ALA LYS ALA TYR ALA LYS GLN GLY MET ARG          
SEQRES  38 A  538  ALA TYR GLY GLU LEU VAL GLN GLU PRO GLU MET ALA ASN          
SEQRES  39 A  538  GLY VAL ASP VAL VAL THR HIS GLN LYS TRP SER GLY ALA          
SEQRES  40 A  538  ASN TYR VAL ASP ASN MET LEU LYS MET ILE THR GLY GLY          
SEQRES  41 A  538  VAL SER SER THR ALA ALA MET GLY LYS GLY VAL THR GLU          
SEQRES  42 A  538  ASP GLN PHE LYS SER                                          
HELIX    1   1 SER A    2  LYS A   23  1                                  22    
HELIX    2   2 ASP A   24  THR A   30  5                                   7    
HELIX    3   3 THR A   35  ARG A   43  1                                   9    
HELIX    4   4 PRO A   51  LYS A   70  1                                  20    
HELIX    5   5 ASP A   80  LEU A   91  1                                  12    
HELIX    6   6 SER A   97  ALA A  105  1                                   9    
HELIX    7   7 ASN A  121  THR A  147  1                                  27    
HELIX    8   8 PRO A  149  HIS A  154  1                                   6    
HELIX    9   9 GLY A  175  ARG A  189  1                                  15    
HELIX   10  10 PRO A  216  MET A  234  1                                  19    
HELIX   11  11 ASP A  245  GLU A  247  5                                   3    
HELIX   12  12 ASP A  257  PRO A  262  5                                   6    
HELIX   13  13 PRO A  274  ALA A  285  1                                  12    
HELIX   14  14 GLY A  289  ALA A  303  1                                  15    
HELIX   15  15 PHE A  308  ASN A  318  1                                  11    
HELIX   16  16 ASN A  323  LYS A  336  1                                  14    
HELIX   17  17 SER A  339  GLY A  352  1                                  14    
HELIX   18  18 GLY A  374  ALA A  386  1                                  13    
HELIX   19  19 ASP A  400  ALA A  413  1                                  14    
HELIX   20  20 ASN A  429  ALA A  433  5                                   5    
HELIX   21  21 PRO A  435  THR A  441  1                                   7    
HELIX   22  22 THR A  441  LEU A  449  1                                   9    
HELIX   23  23 LEU A  458  GLY A  479  1                                  22    
HELIX   24  24 GLY A  479  VAL A  487  1                                   9    
HELIX   25  25 VAL A  487  GLY A  495  1                                   9    
HELIX   26  26 VAL A  496  VAL A  499  5                                   4    
HELIX   27  27 THR A  500  GLY A  506  1                                   7    
HELIX   28  28 GLY A  506  GLY A  519  1                                  14    
SHEET    1   A 8 SER A  73  TYR A  76  0                                        
SHEET    2   A 8 TYR A 451  ILE A 456  1  O  ALA A 452   N  SER A  73           
SHEET    3   A 8 LYS A 419  ASN A 423  1  O  LEU A 420   N  TRP A 453           
SHEET    4   A 8 LEU A 391  TRP A 393  1  O  ILE A 392   N  ALA A 421           
SHEET    5   A 8 LEU A 239  ARG A 243  1  O  ALA A 240   N  LEU A 391           
SHEET    6   A 8 GLY A 193  ILE A 196  1  N  ILE A 194   O  LEU A 239           
SHEET    7   A 8 ILE A 165  ASP A 168  1  O  ILE A 165   N  GLY A 193           
SHEET    8   A 8 VAL A  94  VAL A  96  1  O  VAL A  94   N  ILE A 166           
SHEET    1   B 5 LYS A 212  LEU A 214  0                                        
SHEET    2   B 5 ALA A 249  ILE A 252  1  N  THR A 250   O  LYS A 212           
SHEET    3   B 5 TYR A 369  TYR A 371 -1  N  TYR A 369   O  ILE A 252           
SHEET    4   B 5 ILE A 264  SER A 267 -1  N  ILE A 265   O  ARG A 370           
SHEET    5   B 5 LEU A 305  LYS A 306 -1  O  LYS A 306   N  GLY A 266           
CRYST1   91.930   91.930  152.770  90.00  90.00  90.00 P 42 21 2     8          
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      0.010878  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010878  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006546        0.00000