PDB Short entry for 1BGB
HEADER    HYDROLASE/DNA                           28-MAY-98   1BGB              
TITLE     ECORV ENDONUCLEASE COMPLEX WITH 5'-CGGGATATCCC DNA                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*CP*GP*GP*GP*AP*TP*AP*TP*CP*CP*C)-3');           
COMPND   3 CHAIN: C, D;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: ECORV ENDONUCLEASE;                                        
COMPND   7 CHAIN: A, B;                                                         
COMPND   8 EC: 3.1.21.4;                                                        
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   5 ORGANISM_TAXID: 562;                                                 
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    COMPLEX (ENDONUCLEASE-DNA), HYDROLASE-DNA COMPLEX                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.PERONA,N.C.HORTON                                                   
REVDAT   3   07-FEB-24 1BGB    1       REMARK                                   
REVDAT   2   24-FEB-09 1BGB    1       VERSN                                    
REVDAT   1   28-OCT-98 1BGB    0                                                
JRNL        AUTH   N.C.HORTON,J.J.PERONA                                        
JRNL        TITL   RECOGNITION OF FLANKING DNA SEQUENCES BY ECORV ENDONUCLEASE  
JRNL        TITL 2 INVOLVES ALTERNATIVE PATTERNS OF WATER-MEDIATED CONTACTS.    
JRNL        REF    J.BIOL.CHEM.                  V. 273 21721 1998              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   9705308                                                      
JRNL        DOI    10.1074/JBC.273.34.21721                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   N.C.HORTON,J.J.PERONA                                        
REMARK   1  TITL   ROLE OF PROTEIN-INDUCED BENDING IN THE SPECIFICITY OF DNA    
REMARK   1  TITL 2 RECOGNITION-CRYSTAL STRUCTURE OF ECORV ENDONUCLEASE          
REMARK   1  TITL 3 COMPLEXED WITH D(AAAGAT) + D(ATCTT)                          
REMARK   1  REF    J.MOL.BIOL.                   V. 277   779 1998              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.J.PERONA,A.M.MARTIN                                        
REMARK   1  TITL   CONFORMATIONAL TRANSITIONS AND STRUCTURAL DEFORMABILITY OF   
REMARK   1  TITL 2 ECORV ENDONUCLEASE REVEALED BY CRYSTALLOGRAPHIC ANALYSIS     
REMARK   1  REF    J.MOL.BIOL.                   V. 273   207 1997              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000.000                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.1000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 88.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 31018                          
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) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.246                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1512                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.017                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.20                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 71.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1211                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2570                       
REMARK   3   BIN FREE R VALUE                    : 0.2860                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 112                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.042                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3602                                    
REMARK   3   NUCLEIC ACID ATOMS       : 426                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 236                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 28.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 27.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 6.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.37                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.22                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.860                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.12                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.420                           
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) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
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  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : PARNDBX.DNA0                                   
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPNDBX.DNA                                    
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BGB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB.                                
REMARK 100 THE DEPOSITION ID IS D_1000171721.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-AUG-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25665                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 85.0                               
REMARK 200  DATA REDUNDANCY                : 2.200                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : 0.09100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.20                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 71.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.07700                            
REMARK 200  R SYM FOR SHELL            (I) : 0.28000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER           
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.63                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZED FROM 15% PEG 4K, 100 MM     
REMARK 280  IMIDAZOLE, (PH 6.5), 150 MM NACL., VAPOR DIFFUSION, HANGING DROP    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
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 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 APPLY THE FOLLOWING TO CHAINS: C, D, A, B                            
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      DC D   901                                                      
REMARK 465     ALA A   142                                                      
REMARK 465     THR A   143                                                      
REMARK 465     ARG A   144                                                      
REMARK 465     LYS A   145                                                      
REMARK 465     SER A   146                                                      
REMARK 465     SER A   147                                                      
REMARK 465     LEU A   148                                                      
REMARK 465     TYR B    12                                                      
REMARK 465     ASP B    13                                                      
REMARK 465     GLU B    14                                                      
REMARK 465     ASN B    15                                                      
REMARK 465     GLN B    16                                                      
REMARK 465     LYS B    17                                                      
REMARK 465     TYR B    18                                                      
REMARK 465     LYS B    98                                                      
REMARK 465     GLU B    99                                                      
REMARK 465     ASN B   100                                                      
REMARK 465     GLU B   101                                                      
REMARK 465     ALA B   142                                                      
REMARK 465     THR B   143                                                      
REMARK 465     ARG B   144                                                      
REMARK 465     LYS B   145                                                      
REMARK 465     SER B   146                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLU A  14    CG   CD   OE1  OE2                                  
REMARK 470     GLN A  16    CG   CD   OE1  NE2                                  
REMARK 470     LYS A  17    CG   CD   CE   NZ                                   
REMARK 470     TYR A  18    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ASP A  19    CG   OD1  OD2                                       
REMARK 470     GLU A  27    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  29    CG   CD   CE   NZ                                   
REMARK 470     SER A  35    OG                                                  
REMARK 470     ASP A  36    CG   OD1  OD2                                       
REMARK 470     LYS A  38    CG   CD   CE   NZ                                   
REMARK 470     LYS A  54    CG   CD   CE   NZ                                   
REMARK 470     GLU A  57    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  67    CG   CD   CE   NZ                                   
REMARK 470     GLN A  68    CG   CD   OE1  NE2                                  
REMARK 470     ASN A  70    CG   OD1  ND2                                       
REMARK 470     GLU A  82    CG   CD   OE1  OE2                                  
REMARK 470     ASN A  84    CG   OD1  ND2                                       
REMARK 470     LYS A  85    CG   CD   CE   NZ                                   
REMARK 470     TYR A  95    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LYS A  98    CG   CD   CE   NZ                                   
REMARK 470     ASN A 100    CG   OD1  ND2                                       
REMARK 470     GLU A 101    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 102    CG   CD   CE   NZ                                   
REMARK 470     ARG A 140    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 149    CG   CD   CE   NZ                                   
REMARK 470     ASN A 154    CG   OD1  ND2                                       
REMARK 470     GLU A 158    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 161    CG   CD   CE   NZ                                   
REMARK 470     LYS A 164    CG   CD   CE   NZ                                   
REMARK 470     LYS A 197    CG   CD   CE   NZ                                   
REMARK 470     LYS A 203    CG   CD   CE   NZ                                   
REMARK 470     GLN A 224    CG   CD   OE1  NE2                                  
REMARK 470     ASN A 227    CG   OD1  ND2                                       
REMARK 470     ASP A 228    CG   OD1  OD2                                       
REMARK 470     ARG A 242    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 245    O    CG   CD   CE   NZ                              
REMARK 470     ASP B  19    CG   OD1  OD2                                       
REMARK 470     LYS B  29    CG   CD   CE   NZ                                   
REMARK 470     SER B  35    OG                                                  
REMARK 470     ASP B  36    CG   OD1  OD2                                       
REMARK 470     THR B  37    OG1  CG2                                            
REMARK 470     LYS B  38    CG   CD   CE   NZ                                   
REMARK 470     GLU B  45    CG   CD   OE1  OE2                                  
REMARK 470     GLU B  57    CG   CD   OE1  OE2                                  
REMARK 470     LYS B  58    CG   CD   CE   NZ                                   
REMARK 470     LYS B  67    CG   CD   CE   NZ                                   
REMARK 470     GLN B  68    CG   CD   OE1  NE2                                  
REMARK 470     GLU B  82    CG   CD   OE1  OE2                                  
REMARK 470     ASN B  84    CG   OD1  ND2                                       
REMARK 470     LYS B  85    CG   CD   CE   NZ                                   
REMARK 470     ASN B  97    CG   OD1  ND2                                       
REMARK 470     LYS B 102    CG   CD   CE   NZ                                   
REMARK 470     LYS B 119    CG   CD   CE   NZ                                   
REMARK 470     ARG B 140    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASN B 152    CG   OD1  ND2                                       
REMARK 470     ASN B 154    CG   OD1  ND2                                       
REMARK 470     GLU B 158    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 164    CG   CD   CE   NZ                                   
REMARK 470     LYS B 197    CG   CD   CE   NZ                                   
REMARK 470     GLU B 201    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 203    CG   CD   CE   NZ                                   
REMARK 470     GLN B 224    CG   CD   OE1  NE2                                  
REMARK 470     ASN B 227    CG   OD1  ND2                                       
REMARK 470     ASP B 228    CG   OD1  OD2                                       
REMARK 470     LYS B 245    O    CG   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   N    SER B     2     O    HOH B   312              2.17            
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   N    TYR B   241     O    HOH A   312     1444     2.17            
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  83   C   -  N   -  CA  ANGL. DEV. =  10.9 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    GLN A  16       -7.71    -59.38                                   
REMARK 500    LYS A  17      -67.01   -101.81                                   
REMARK 500    SER A  35       38.85    -98.32                                   
REMARK 500    SER A  81       -2.88    -56.90                                   
REMARK 500    GLU A  82       70.98   -153.29                                   
REMARK 500    PRO A  83        3.01    -67.40                                   
REMARK 500    LYS A  85       72.05   -102.71                                   
REMARK 500    SER A 112     -121.11    -94.80                                   
REMARK 500    ASN A 117      -31.58    -33.31                                   
REMARK 500    PHE A 125      -38.65    -38.47                                   
REMARK 500    LEU A 156      -18.45    -39.85                                   
REMARK 500    THR A 187       71.20     28.68                                   
REMARK 500    LYS A 229      -99.97    -90.96                                   
REMARK 500    PRO B  32      173.46    -56.71                                   
REMARK 500    ASN B  70       48.36    -85.57                                   
REMARK 500    TYR B  78      149.08   -178.27                                   
REMARK 500    GLU B  82       78.19   -104.64                                   
REMARK 500    SER B 112     -127.30    -88.97                                   
REMARK 500    LEU B 148       33.95    -96.43                                   
REMARK 500    ILE B 153       93.93    -68.28                                   
REMARK 500    ASN B 154       -7.44    145.79                                   
REMARK 500    THR B 187       63.55     32.22                                   
REMARK 500    LYS B 229      -95.08   -142.97                                   
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 D 906         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1BGB A    2   245  UNP    P04390   T2E5_ECOLI       1    244             
DBREF  1BGB B    2   245  UNP    P04390   T2E5_ECOLI       1    244             
DBREF  1BGB C  801   811  PDB    1BGB     1BGB           801    811             
DBREF  1BGB D  901   911  PDB    1BGB     1BGB           901    911             
SEQRES   1 C   11   DC  DG  DG  DG  DA  DT  DA  DT  DC  DC  DC                  
SEQRES   1 D   11   DC  DG  DG  DG  DA  DT  DA  DT  DC  DC  DC                  
SEQRES   1 A  244  SER LEU ARG SER ASP LEU ILE ASN ALA LEU TYR ASP GLU          
SEQRES   2 A  244  ASN GLN LYS TYR ASP VAL CYS GLY ILE ILE SER ALA GLU          
SEQRES   3 A  244  GLY LYS ILE TYR PRO LEU GLY SER ASP THR LYS VAL LEU          
SEQRES   4 A  244  SER THR ILE PHE GLU LEU PHE SER ARG PRO ILE ILE ASN          
SEQRES   5 A  244  LYS ILE ALA GLU LYS HIS GLY TYR ILE VAL GLU GLU PRO          
SEQRES   6 A  244  LYS GLN GLN ASN HIS TYR PRO ASP PHE THR LEU TYR LYS          
SEQRES   7 A  244  PRO SER GLU PRO ASN LYS LYS ILE ALA ILE ASP ILE LYS          
SEQRES   8 A  244  THR THR TYR THR ASN LYS GLU ASN GLU LYS ILE LYS PHE          
SEQRES   9 A  244  THR LEU GLY GLY TYR THR SER PHE ILE ARG ASN ASN THR          
SEQRES  10 A  244  LYS ASN ILE VAL TYR PRO PHE ASP GLN TYR ILE ALA HIS          
SEQRES  11 A  244  TRP ILE ILE GLY TYR VAL TYR THR ARG VAL ALA THR ARG          
SEQRES  12 A  244  LYS SER SER LEU LYS THR TYR ASN ILE ASN GLU LEU ASN          
SEQRES  13 A  244  GLU ILE PRO LYS PRO TYR LYS GLY VAL LYS VAL PHE LEU          
SEQRES  14 A  244  GLN ASP LYS TRP VAL ILE ALA GLY ASP LEU ALA GLY SER          
SEQRES  15 A  244  GLY ASN THR THR ASN ILE GLY SER ILE HIS ALA HIS TYR          
SEQRES  16 A  244  LYS ASP PHE VAL GLU GLY LYS GLY ILE PHE ASP SER GLU          
SEQRES  17 A  244  ASP GLU PHE LEU ASP TYR TRP ARG ASN TYR GLU ARG THR          
SEQRES  18 A  244  SER GLN LEU ARG ASN ASP LYS TYR ASN ASN ILE SER GLU          
SEQRES  19 A  244  TYR ARG ASN TRP ILE TYR ARG GLY ARG LYS                      
SEQRES   1 B  244  SER LEU ARG SER ASP LEU ILE ASN ALA LEU TYR ASP GLU          
SEQRES   2 B  244  ASN GLN LYS TYR ASP VAL CYS GLY ILE ILE SER ALA GLU          
SEQRES   3 B  244  GLY LYS ILE TYR PRO LEU GLY SER ASP THR LYS VAL LEU          
SEQRES   4 B  244  SER THR ILE PHE GLU LEU PHE SER ARG PRO ILE ILE ASN          
SEQRES   5 B  244  LYS ILE ALA GLU LYS HIS GLY TYR ILE VAL GLU GLU PRO          
SEQRES   6 B  244  LYS GLN GLN ASN HIS TYR PRO ASP PHE THR LEU TYR LYS          
SEQRES   7 B  244  PRO SER GLU PRO ASN LYS LYS ILE ALA ILE ASP ILE LYS          
SEQRES   8 B  244  THR THR TYR THR ASN LYS GLU ASN GLU LYS ILE LYS PHE          
SEQRES   9 B  244  THR LEU GLY GLY TYR THR SER PHE ILE ARG ASN ASN THR          
SEQRES  10 B  244  LYS ASN ILE VAL TYR PRO PHE ASP GLN TYR ILE ALA HIS          
SEQRES  11 B  244  TRP ILE ILE GLY TYR VAL TYR THR ARG VAL ALA THR ARG          
SEQRES  12 B  244  LYS SER SER LEU LYS THR TYR ASN ILE ASN GLU LEU ASN          
SEQRES  13 B  244  GLU ILE PRO LYS PRO TYR LYS GLY VAL LYS VAL PHE LEU          
SEQRES  14 B  244  GLN ASP LYS TRP VAL ILE ALA GLY ASP LEU ALA GLY SER          
SEQRES  15 B  244  GLY ASN THR THR ASN ILE GLY SER ILE HIS ALA HIS TYR          
SEQRES  16 B  244  LYS ASP PHE VAL GLU GLY LYS GLY ILE PHE ASP SER GLU          
SEQRES  17 B  244  ASP GLU PHE LEU ASP TYR TRP ARG ASN TYR GLU ARG THR          
SEQRES  18 B  244  SER GLN LEU ARG ASN ASP LYS TYR ASN ASN ILE SER GLU          
SEQRES  19 B  244  TYR ARG ASN TRP ILE TYR ARG GLY ARG LYS                      
FORMUL   5  HOH   *236(H2 O)                                                    
HELIX    1   1 LEU A    3  LYS A   17  1                                  15    
HELIX    2   2 THR A   37  LYS A   58  1                                  22    
HELIX    3   3 PRO A   80  GLU A   82  5                                   3    
HELIX    4   4 PHE A  125  GLN A  127  5                                   3    
HELIX    5   5 ILE A  153  GLU A  155  5                                   3    
HELIX    6   6 LYS A  173  ILE A  176  1                                   4    
HELIX    7   7 TYR A  196  GLU A  201  1                                   6    
HELIX    8   8 GLU A  209  ARG A  217  1                                   9    
HELIX    9   9 SER A  223  ARG A  226  1                                   4    
HELIX   10  10 ILE A  233  ARG A  242  1                                  10    
HELIX   11  11 LEU B    3  ALA B   10  1                                   8    
HELIX   12  12 THR B   37  LYS B   58  1                                  22    
HELIX   13  13 PHE B  125  GLN B  127  5                                   3    
HELIX   14  14 LYS B  173  ILE B  176  1                                   4    
HELIX   15  15 TYR B  196  GLU B  201  1                                   6    
HELIX   16  16 GLU B  209  ARG B  217  1                                   9    
HELIX   17  17 SER B  223  ARG B  226  1                                   4    
HELIX   18  18 ILE B  233  TYR B  241  1                                   9    
SHEET    1   A 3 GLY A  22  ILE A  24  0                                        
SHEET    2   A 3 LYS A  29  PRO A  32 -1  N  TYR A  31   O  ILE A  23           
SHEET    3   A 3 THR A 150  ASN A 152 -1  N  TYR A 151   O  ILE A  30           
SHEET    1   B 5 ILE A  62  GLU A  64  0                                        
SHEET    2   B 5 PHE A  75  TYR A  78 -1  N  TYR A  78   O  ILE A  62           
SHEET    3   B 5 LYS A  86  THR A  96 -1  N  ILE A  89   O  PHE A  75           
SHEET    4   B 5 TYR A 128  THR A 139  1  N  ILE A 129   O  LYS A  86           
SHEET    5   B 5 LYS A 167  ASP A 172 -1  N  GLN A 171   O  ILE A 133           
SHEET    1   C 2 LYS B  29  TYR B  31  0                                        
SHEET    2   C 2 THR B 150  ASN B 152 -1  N  TYR B 151   O  ILE B  30           
SHEET    1   D 5 ILE B  62  GLU B  64  0                                        
SHEET    2   D 5 PHE B  75  TYR B  78 -1  N  TYR B  78   O  ILE B  62           
SHEET    3   D 5 LYS B  86  THR B  96 -1  N  ILE B  89   O  PHE B  75           
SHEET    4   D 5 TYR B 128  ARG B 140  1  N  ILE B 129   O  LYS B  86           
SHEET    5   D 5 TYR B 163  ASP B 172 -1  N  GLN B 171   O  ILE B 133           
CISPEP   1 TYR A   72    PRO A   73          0         0.34                     
CISPEP   2 TYR B   72    PRO B   73          0         0.43                     
CRYST1   49.400   50.200   64.100  96.00 109.00 108.00 P 1           2          
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      0.020243  0.006577  0.008700        0.00000                         
SCALE2      0.000000  0.020945  0.004907        0.00000                         
SCALE3      0.000000  0.000000  0.016946        0.00000