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Database: PDB
Entry: 1GHB
LinkDB: 1GHB
Original site: 1GHB 
HEADER    HYDROLASE/HYDROLASE INHIBITOR           06-APR-94   1GHB              
TITLE     A SECOND ACTIVE SITE IN CHYMOTRYPSIN? THE X-RAY CRYSTAL STRUCTURE OF  
TITLE    2 N-ACETYL-D-TRYPTOPHAN BOUND TO GAMMA-CHYMOTRYPSIN                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GAMMA-CHYMOTRYPSIN;                                        
COMPND   3 CHAIN: E;                                                            
COMPND   4 EC: 3.4.21.1;                                                        
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: GAMMA-CHYMOTRYPSIN;                                        
COMPND   7 CHAIN: F;                                                            
COMPND   8 EC: 3.4.21.1;                                                        
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: GAMMA-CHYMOTRYPSIN;                                        
COMPND  11 CHAIN: G;                                                            
COMPND  12 EC: 3.4.21.1;                                                        
COMPND  13 MOL_ID: 4;                                                           
COMPND  14 MOLECULE: PRO-GLY-ALA;                                               
COMPND  15 CHAIN: P;                                                            
COMPND  16 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_TAXID: 9913;                                                
SOURCE   4 MOL_ID: 2;                                                           
SOURCE   5 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   6 ORGANISM_TAXID: 9913;                                                
SOURCE   7 MOL_ID: 3;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   9 ORGANISM_TAXID: 9913;                                                
SOURCE  10 MOL_ID: 4                                                            
KEYWDS    SERINE PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.P.YENNAWAR,N.H.YENNAWAR,G.K.FARBER                                  
REVDAT   3   13-JUL-11 1GHB    1       VERSN                                    
REVDAT   2   24-FEB-09 1GHB    1       VERSN                                    
REVDAT   1   22-JUN-94 1GHB    0                                                
JRNL        AUTH   H.P.YENNAWAR,N.H.YENNAWAR,G.K.FARBER                         
JRNL        TITL   A STRUCTURAL EXPLANATION FOR ENZYME MEMORY IN NONAQUEOUS     
JRNL        TITL 2 SOLVENTS.                                                    
JRNL        REF    J.AM.CHEM.SOC.                V. 117   577 1995              
JRNL        REFN                   ISSN 0002-7863                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   N.H.YENNAWAR,H.P.YENNAWAR,G.K.FARBER                         
REMARK   1  TITL   X-RAY CRYSTAL STRUCTURE OF GAMMA-CHYMOTRYPSIN IN HEXANE      
REMARK   1  REF    TO BE PUBLISHED                                              
REMARK   1  REFN                                                                
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) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.152                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1754                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 60                                      
REMARK   3   SOLVENT ATOMS            : 309                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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) : 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) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.61                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1GHB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
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) : NULL                     
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) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
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   (%): 46.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
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       34.80000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       34.80000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       48.75500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       34.80000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       34.80000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       48.75500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       34.80000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       34.80000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       48.75500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       34.80000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       34.80000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       48.75500            
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, 2, 3                                                 
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: OCTAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, G, P                            
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       69.60000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      139.20000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 17470 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 22320 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -60.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E                                     
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      139.20000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      208.80000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350 APPLY THE FOLLOWING TO CHAINS: F, G, P                               
REMARK 350   BIOMT1   3 -1.000000  0.000000  0.000000      104.40000            
REMARK 350   BIOMT2   3  0.000000  1.000000  0.000000       34.80000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000      146.26500            
REMARK 350   BIOMT1   4  1.000000  0.000000  0.000000       34.80000            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000      174.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000      146.26500            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, G, P                            
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     GLY E    12                                                      
REMARK 465     LEU E    13                                                      
REMARK 465     ALA G   149                                                      
REMARK 465     ASN G   150                                                      
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     SER E  11    CA   C    O    CB   OG                              
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 P 571   CA  -  N   -  CD  ANGL. DEV. = -10.1 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    TRP F  27       69.67   -118.16                                   
REMARK 500    PHE F  71      -56.08   -132.49                                   
REMARK 500    SER F 115     -155.38   -141.82                                   
REMARK 500    CYS F 136     -165.64   -124.92                                   
REMARK 500    LEU F 143      133.22    -38.78                                   
REMARK 500    ALA G 179       37.95    -92.96                                   
REMARK 500    LEU G 209      109.72    -55.61                                   
REMARK 500    SER G 214      -72.30   -110.16                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CHIRAL CENTERS                                             
REMARK 500                                                                      
REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL                     
REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY                      
REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR                        
REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE                                    
REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16)       
REMARK 500                                                                      
REMARK 500  M RES CSSEQI    IMPROPER   EXPECTED   FOUND DETAILS                 
REMARK 500    GLU F  49        23.0      L          L   OUTSIDE RANGE           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH E 658        DISTANCE =  5.62 ANGSTROMS                       
REMARK 525    HOH E 665        DISTANCE =  7.30 ANGSTROMS                       
REMARK 525    HOH E 666        DISTANCE =  6.47 ANGSTROMS                       
REMARK 525    HOH E 667        DISTANCE =  7.83 ANGSTROMS                       
REMARK 525    HOH E 671        DISTANCE = 10.70 ANGSTROMS                       
REMARK 525    HOH E 672        DISTANCE =  8.04 ANGSTROMS                       
REMARK 525    HOH E 673        DISTANCE =  7.20 ANGSTROMS                       
REMARK 525    HOH E 674        DISTANCE =  9.72 ANGSTROMS                       
REMARK 525    HOH E 675        DISTANCE =  9.23 ANGSTROMS                       
REMARK 525    HOH E 676        DISTANCE =  5.39 ANGSTROMS                       
REMARK 525    HOH E 677        DISTANCE =  7.07 ANGSTROMS                       
REMARK 525    HOH E 678        DISTANCE =  5.81 ANGSTROMS                       
REMARK 525    HOH F 771        DISTANCE =  5.95 ANGSTROMS                       
REMARK 525    HOH F 783        DISTANCE =  5.21 ANGSTROMS                       
REMARK 525    HOH F 790        DISTANCE =  6.89 ANGSTROMS                       
REMARK 525    HOH F 797        DISTANCE =  6.70 ANGSTROMS                       
REMARK 525    HOH F 798        DISTANCE =  8.04 ANGSTROMS                       
REMARK 525    HOH F 799        DISTANCE =  8.60 ANGSTROMS                       
REMARK 525    HOH F 801        DISTANCE =  5.53 ANGSTROMS                       
REMARK 525    HOH F 802        DISTANCE =  5.97 ANGSTROMS                       
REMARK 525    HOH F 803        DISTANCE =  8.45 ANGSTROMS                       
REMARK 525    HOH F 804        DISTANCE = 10.08 ANGSTROMS                       
REMARK 525    HOH F 806        DISTANCE = 10.48 ANGSTROMS                       
REMARK 525    HOH F 809        DISTANCE =  6.26 ANGSTROMS                       
REMARK 525    HOH F 810        DISTANCE =  6.07 ANGSTROMS                       
REMARK 525    HOH F 812        DISTANCE =  5.63 ANGSTROMS                       
REMARK 525    HOH F 814        DISTANCE =  5.66 ANGSTROMS                       
REMARK 525    HOH F 817        DISTANCE = 12.94 ANGSTROMS                       
REMARK 525    HOH F 820        DISTANCE =  6.10 ANGSTROMS                       
REMARK 525    HOH F 821        DISTANCE =  9.53 ANGSTROMS                       
REMARK 525    HOH F 822        DISTANCE =  7.08 ANGSTROMS                       
REMARK 525    HOH F 823        DISTANCE = 10.65 ANGSTROMS                       
REMARK 525    HOH F 824        DISTANCE =  6.13 ANGSTROMS                       
REMARK 525    HOH F 825        DISTANCE =  8.18 ANGSTROMS                       
REMARK 525    HOH F 829        DISTANCE =  6.48 ANGSTROMS                       
REMARK 525    HOH F 833        DISTANCE = 12.20 ANGSTROMS                       
REMARK 525    HOH F 834        DISTANCE = 10.07 ANGSTROMS                       
REMARK 525    HOH F 836        DISTANCE = 10.04 ANGSTROMS                       
REMARK 525    HOH F 839        DISTANCE =  5.48 ANGSTROMS                       
REMARK 525    HOH F 846        DISTANCE =  5.51 ANGSTROMS                       
REMARK 525    HOH F 847        DISTANCE =  5.62 ANGSTROMS                       
REMARK 525    HOH F 848        DISTANCE =  9.30 ANGSTROMS                       
REMARK 525    HOH F 849        DISTANCE = 10.10 ANGSTROMS                       
REMARK 525    HOH F 850        DISTANCE =  5.03 ANGSTROMS                       
REMARK 525    HOH F 852        DISTANCE =  8.04 ANGSTROMS                       
REMARK 525    HOH F 855        DISTANCE = 10.30 ANGSTROMS                       
REMARK 525    HOH F 856        DISTANCE =  6.66 ANGSTROMS                       
REMARK 525    HOH F 857        DISTANCE = 12.92 ANGSTROMS                       
REMARK 525    HOH F 858        DISTANCE = 13.08 ANGSTROMS                       
REMARK 525    HOH F 859        DISTANCE =  6.29 ANGSTROMS                       
REMARK 525    HOH F 861        DISTANCE = 11.24 ANGSTROMS                       
REMARK 525    HOH F 863        DISTANCE =  5.40 ANGSTROMS                       
REMARK 525    HOH F 865        DISTANCE =  8.58 ANGSTROMS                       
REMARK 525    HOH F 866        DISTANCE =  6.63 ANGSTROMS                       
REMARK 525    HOH F 875        DISTANCE =  5.48 ANGSTROMS                       
REMARK 525    HOH G 720        DISTANCE =  8.38 ANGSTROMS                       
REMARK 525    HOH G 733        DISTANCE =  6.32 ANGSTROMS                       
REMARK 525    HOH G 746        DISTANCE =  5.28 ANGSTROMS                       
REMARK 525    HOH G 753        DISTANCE =  5.20 ANGSTROMS                       
REMARK 525    HOH G 771        DISTANCE =  9.73 ANGSTROMS                       
REMARK 525    HOH G 772        DISTANCE = 10.06 ANGSTROMS                       
REMARK 525    HOH G 773        DISTANCE =  5.56 ANGSTROMS                       
REMARK 525    HOH G 774        DISTANCE =  7.72 ANGSTROMS                       
REMARK 525    HOH G 777        DISTANCE =  5.81 ANGSTROMS                       
REMARK 525    HOH G 781        DISTANCE =  5.18 ANGSTROMS                       
REMARK 525    HOH G 782        DISTANCE =  6.23 ANGSTROMS                       
REMARK 525    HOH G 783        DISTANCE =  7.00 ANGSTROMS                       
REMARK 525    HOH G 785        DISTANCE =  6.36 ANGSTROMS                       
REMARK 525    HOH G 786        DISTANCE =  6.41 ANGSTROMS                       
REMARK 525    HOH G 787        DISTANCE =  6.47 ANGSTROMS                       
REMARK 525    HOH G 789        DISTANCE =  6.92 ANGSTROMS                       
REMARK 525    HOH G 791        DISTANCE =  8.00 ANGSTROMS                       
REMARK 525    HOH G 792        DISTANCE =  6.70 ANGSTROMS                       
REMARK 525    HOH G 794        DISTANCE = 13.58 ANGSTROMS                       
REMARK 525    HOH G 795        DISTANCE = 10.23 ANGSTROMS                       
REMARK 525    HOH G 796        DISTANCE = 10.96 ANGSTROMS                       
REMARK 525    HOH G 797        DISTANCE =  5.90 ANGSTROMS                       
REMARK 525    HOH G 798        DISTANCE =  7.35 ANGSTROMS                       
REMARK 525    HOH G 800        DISTANCE =  7.57 ANGSTROMS                       
REMARK 525    HOH G 807        DISTANCE =  7.01 ANGSTROMS                       
REMARK 525    HOH G 809        DISTANCE =  6.19 ANGSTROMS                       
REMARK 525    HOH G 812        DISTANCE =  6.40 ANGSTROMS                       
REMARK 525    HOH G 814        DISTANCE =  8.50 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACE E 600                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP E 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEX E 651                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEX G 652                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEX E 653                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEX F 654                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEX F 655                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA G 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA G 702                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA F 703                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN P OF PRO-GLY-ALA            
DBREF  1GHB E    1    13  UNP    P00766   CTRA_BOVIN       1     13             
DBREF  1GHB F   16   146  UNP    P00766   CTRA_BOVIN      16    146             
DBREF  1GHB G  149   245  UNP    P00766   CTRA_BOVIN     149    245             
DBREF  1GHB P  571   573  PDB    1GHB     1GHB           571    573             
SEQRES   1 E   13  CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU          
SEQRES   1 F  131  ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER TRP PRO          
SEQRES   2 F  131  TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE HIS PHE          
SEQRES   3 F  131  CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL VAL THR          
SEQRES   4 F  131  ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL VAL VAL          
SEQRES   5 F  131  ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU LYS ILE          
SEQRES   6 F  131  GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SER LYS          
SEQRES   7 F  131  TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR LEU LEU          
SEQRES   8 F  131  LYS LEU SER THR ALA ALA SER PHE SER GLN THR VAL SER          
SEQRES   9 F  131  ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE ALA ALA          
SEQRES  10 F  131  GLY THR THR CYS VAL THR THR GLY TRP GLY LEU THR ARG          
SEQRES  11 F  131  TYR                                                          
SEQRES   1 G   97  ALA ASN THR PRO ASP ARG LEU GLN GLN ALA SER LEU PRO          
SEQRES   2 G   97  LEU LEU SER ASN THR ASN CYS LYS LYS TYR TRP GLY THR          
SEQRES   3 G   97  LYS ILE LYS ASP ALA MET ILE CYS ALA GLY ALA SER GLY          
SEQRES   4 G   97  VAL SER SER CYS MET GLY ASP SER GLY GLY PRO LEU VAL          
SEQRES   5 G   97  CYS LYS LYS ASN GLY ALA TRP THR LEU VAL GLY ILE VAL          
SEQRES   6 G   97  SER TRP GLY SER SER THR CYS SER THR SER THR PRO GLY          
SEQRES   7 G   97  VAL TYR ALA ARG VAL THR ALA LEU VAL ASN TRP VAL GLN          
SEQRES   8 G   97  GLN THR LEU ALA ALA ASN                                      
SEQRES   1 P    3  PRO GLY ALA                                                  
HET    ACE  E 600       3                                                       
HET    TRP  E 601      15                                                       
HET    HEX  E 651       6                                                       
HET    HEX  G 652       6                                                       
HET    HEX  E 653       6                                                       
HET    HEX  F 654       6                                                       
HET    HEX  F 655       6                                                       
HET    IPA  G 701       4                                                       
HET    IPA  G 702       4                                                       
HET    IPA  F 703       4                                                       
HETNAM     ACE ACETYL GROUP                                                     
HETNAM     TRP TRYPTOPHAN                                                       
HETNAM     HEX HEXANE                                                           
HETNAM     IPA ISOPROPYL ALCOHOL                                                
HETSYN     IPA 2-PROPANOL                                                       
FORMUL   5  ACE    C2 H4 O                                                      
FORMUL   5  TRP    C11 H12 N2 O2                                                
FORMUL   6  HEX    5(C6 H14)                                                    
FORMUL  11  IPA    3(C3 H8 O)                                                   
FORMUL  14  HOH   *309(H2 O)                                                    
HELIX    1   1 ALA F   55  GLY F   59  5                                   5    
HELIX    2   2 SER G  164  GLY G  173  1                                  10    
HELIX    3   3 THR G  174  ILE G  176  5                                   3    
HELIX    4   4 VAL G  231  ASN G  245  1                                  15    
SHEET    1   A 7 GLU F  20  GLU F  21  0                                        
SHEET    2   A 7 GLN G 156  PRO G 161 -1  O  GLN G 157   N  GLU F  20           
SHEET    3   A 7 THR F 135  GLY F 140 -1  N  CYS F 136   O  LEU G 160           
SHEET    4   A 7 PRO G 198  LYS G 203 -1  O  VAL G 200   N  VAL F 137           
SHEET    5   A 7 ALA G 206  TRP G 215 -1  O  THR G 208   N  CYS G 201           
SHEET    6   A 7 PRO G 225  ARG G 230 -1  O  VAL G 227   N  TRP G 215           
SHEET    7   A 7 MET G 180  GLY G 184 -1  N  ILE G 181   O  TYR G 228           
SHEET    1   B 7 GLN F  30  GLN F  34  0                                        
SHEET    2   B 7 HIS F  40  ASN F  48 -1  O  CYS F  42   N  LEU F  33           
SHEET    3   B 7 TRP F  51  THR F  54 -1  O  VAL F  53   N  SER F  45           
SHEET    4   B 7 THR F 104  LEU F 108 -1  O  THR F 104   N  THR F  54           
SHEET    5   B 7 GLN F  81  LYS F  90 -1  N  ALA F  86   O  LYS F 107           
SHEET    6   B 7 VAL F  65  ALA F  68 -1  N  VAL F  66   O  LEU F  83           
SHEET    7   B 7 GLN F  30  GLN F  34 -1  N  GLN F  34   O  VAL F  65           
SSBOND   1 CYS E    1    CYS F  122                          1555   1555  2.03  
SSBOND   2 CYS F   42    CYS F   58                          1555   1555  2.02  
SSBOND   3 CYS F  136    CYS G  201                          1555   1555  2.02  
SSBOND   4 CYS G  168    CYS G  182                          1555   1555  2.03  
SSBOND   5 CYS G  191    CYS G  220                          1555   1555  2.03  
LINK         C   ACE E 600                 N   TRP E 601     1555   1555  1.33  
SITE     1 AC1  7 TRP E 601  SER G 189  SER G 190  GLY G 216                    
SITE     2 AC1  7 SER G 217  GLY G 226  HOH G 717                               
SITE     1 AC2 14 ACE E 600  SER G 190  MET G 192  SER G 195                    
SITE     2 AC2 14 VAL G 213  SER G 214  TRP G 215  GLY G 216                    
SITE     3 AC2 14 SER G 217  CYS G 220  GLY G 226  VAL G 227                    
SITE     4 AC2 14 TYR G 228  ALA P 573                                          
SITE     1 AC3  5 ILE F  16  ASN F  18  GLY F  19  THR F 144                    
SITE     2 AC3  5 GLN G 156                                                     
SITE     1 AC4  5 HOH E 659  GLU F  20  SER G 159  SER G 186                    
SITE     2 AC4  5 GLY G 187                                                     
SITE     1 AC5  8 CYS E   1  VAL E   3  THR F  37  LYS F  93                    
SITE     2 AC5  8 SER F 119  ALA F 120  HOH F 709  HOH F 869                    
SITE     1 AC6  3 HOH E 676  GLU F  20  GLU F  21                               
SITE     1 AC7  1 GLU F  49                                                     
SITE     1 AC8  7 PHE F  41  SER F  96  LEU F  97  MET G 192                    
SITE     2 AC8  7 GLY G 193  SER G 195  ALA P 573                               
SITE     1 AC9  2 SER G 218  HOH G 769                                          
SITE     1 BC1  7 ALA F  56  GLY F  59  VAL F  60  THR F  61                    
SITE     2 BC1  7 VAL F  88  LYS F  90  THR F 104                               
SITE     1 BC2 11 TRP E 601  HIS F  57  LEU F  97  ILE F  99                    
SITE     2 BC2 11 HOH F 737  SER G 195  SER G 214  TRP G 215                    
SITE     3 BC2 11 GLY G 216  IPA G 701  HOH P 574                               
CRYST1   69.600   69.600   97.510  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      0.014368  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014368  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010255        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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