PDB Short entry for 2CGA
HEADER    HYDROLASE(ZYMOGEN)                      16-JAN-87   2CGA              
TITLE     BOVINE CHYMOTRYPSINOGEN A. X-RAY CRYSTAL STRUCTURE ANALYSIS           
TITLE    2 AND REFINEMENT OF A NEW CRYSTAL FORM AT 1.8 ANGSTROMS                
TITLE    3 RESOLUTION                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CHYMOTRYPSINOGEN A;                                        
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913                                                 
KEYWDS    HYDROLASE(ZYMOGEN)                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.WANG,W.BODE,R.HUBER                                                 
REVDAT   4   24-FEB-09 2CGA    1       VERSN                                    
REVDAT   3   01-APR-03 2CGA    1       JRNL                                     
REVDAT   2   15-APR-90 2CGA    1       JRNL                                     
REVDAT   1   16-APR-87 2CGA    0                                                
JRNL        AUTH   D.WANG,W.BODE,R.HUBER                                        
JRNL        TITL   BOVINE CHYMOTRYPSINOGEN A X-RAY CRYSTAL STRUCTURE            
JRNL        TITL 2 ANALYSIS AND REFINEMENT OF A NEW CRYSTAL FORM AT             
JRNL        TITL 3 1.8 A RESOLUTION.                                            
JRNL        REF    J.MOL.BIOL.                   V. 185   595 1985              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   4057257                                                      
JRNL        DOI    10.1016/0022-2836(85)90074-9                                 
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   W.BODE                                                       
REMARK   1  TITL   THE TRANSITION OF BOVINE TRYPSINOGEN TO A                    
REMARK   1  TITL 2 TRYPSIN-LIKE STATE UPON STRONG LIGAND BINDING. II.           
REMARK   1  TITL 3 THE BINDING OF THE PANCREATIC TRYPSIN INHIBITOR              
REMARK   1  TITL 4 AND OF ISOLEUCINE-VALINE AND OF SEQUENTIALLY                 
REMARK   1  TITL 5 RELATED PEPTIDES TO TRYPSINOGEN AND TO                       
REMARK   1  TITL 6 P-GUANIDINOBENZOATE-TRYPSINOGEN                              
REMARK   1  REF    J.MOL.BIOL.                   V. 127   357 1979              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   H.FEHLHAMMER,W.BODE,R.HUBER                                  
REMARK   1  TITL   CRYSTAL STRUCTURE OF BOVINE TRYPSINOGEN AT 1.8               
REMARK   1  TITL 2 ANGSTROMS RESOLUTION. II. CRYSTALLOGRAPHIC                   
REMARK   1  TITL 3 REFINEMENT, REFINED CRYSTAL STRUCTURE AND                    
REMARK   1  TITL 4 COMPARISON WITH BOVINE TRYPSIN                               
REMARK   1  REF    J.MOL.BIOL.                   V. 111   415 1977              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   W.BODE,H.FEHLHAMMER,R.HUBER                                  
REMARK   1  TITL   CRYSTAL STRUCTURE OF BOVINE TRYPSINOGEN AT 1.8               
REMARK   1  TITL 2 ANGSTROMS RESOLUTION. I. DATA COLLECTION,                    
REMARK   1  TITL 3 APPLICATION OF PATTERSON SEARCH TECHNIQUES AND               
REMARK   1  TITL 4 PRELIMINARY STRUCTURAL INTERPRETATION                        
REMARK   1  REF    J.MOL.BIOL.                   V. 106   325 1976              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   S.T.FREER,J.KRAUT,J.D.ROBERTUS,H.T.WRIGHT,N.H.XUONG          
REMARK   1  TITL   CHYMOTRYPSINOGEN. 2.5-ANGSTROMS CRYSTAL STRUCTURE,           
REMARK   1  TITL 2 COMPARISON WITH ALPHA-CHYMOTRYPSIN, AND                      
REMARK   1  TITL 3 IMPLICATIONS FOR ZYMOGEN ACTIVATION                          
REMARK   1  REF    BIOCHEMISTRY                  V.   9  1997 1970              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : EREF                                                 
REMARK   3   AUTHORS     : JACK,LEVITT                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
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             : 30617                          
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) : 0.173                           
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            : 3598                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 329                                     
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) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.50                            
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 2CGA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
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: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.77                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       29.65000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       55.05000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.55000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       55.05000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       29.65000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       38.55000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK:                                                              
REMARK 300 THE TRANSFORMATION PRESENTED ON THE *MTRIX* RECORDS BELOW            
REMARK 300 WILL YIELD COORDINATES FOR CHAIN *A* WHEN APPLIED TO CHAIN           
REMARK 300 *B*.                                                                 
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: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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   NH1  ARG A   154     O    HOH B   745     4566     2.05            
REMARK 500   CG2  THR B   147     O    HOH A   851     3545     2.07            
REMARK 500   CE2  PHE A    39     CZ   TYR B   146     3555     2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    TRP A  27   NE1   TRP A  27   CE2    -0.117                       
REMARK 500    TRP A  29   NE1   TRP A  29   CE2    -0.080                       
REMARK 500    TRP A  51   NE1   TRP A  51   CE2    -0.087                       
REMARK 500    TRP A 141   NE1   TRP A 141   CE2    -0.089                       
REMARK 500    TRP A 172   NE1   TRP A 172   CE2    -0.098                       
REMARK 500    TRP A 207   NE1   TRP A 207   CE2    -0.081                       
REMARK 500    TRP A 215   NE1   TRP A 215   CE2    -0.107                       
REMARK 500    VAL A 231   C     THR A 232   N       0.144                       
REMARK 500    TRP A 237   NE1   TRP A 237   CE2    -0.088                       
REMARK 500    TRP B  27   NE1   TRP B  27   CE2    -0.086                       
REMARK 500    TRP B  29   NE1   TRP B  29   CE2    -0.087                       
REMARK 500    TRP B  51   NE1   TRP B  51   CE2    -0.088                       
REMARK 500    TRP B 141   NE1   TRP B 141   CE2    -0.084                       
REMARK 500    TRP B 172   NE1   TRP B 172   CE2    -0.094                       
REMARK 500    TRP B 207   NE1   TRP B 207   CE2    -0.110                       
REMARK 500    TRP B 215   NE1   TRP B 215   CE2    -0.110                       
REMARK 500    TRP B 237   NE1   TRP B 237   CE2    -0.098                       
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    LYS A  87   CB  -  CA  -  C   ANGL. DEV. = -12.2 DEGREES          
REMARK 500    TYR A 171   CB  -  CG  -  CD1 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG A 230   NE  -  CZ  -  NH2 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ILE B   6   CA  -  CB  -  CG1 ANGL. DEV. =  11.5 DEGREES          
REMARK 500    ARG B 145   C   -  N   -  CA  ANGL. DEV. =  21.3 DEGREES          
REMARK 500    ARG B 154   CD  -  NE  -  CZ  ANGL. DEV. =   8.8 DEGREES          
REMARK 500    ARG B 154   NE  -  CZ  -  NH1 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    ARG B 154   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.3 DEGREES          
REMARK 500    SER B 186   N   -  CA  -  CB  ANGL. DEV. = -13.7 DEGREES          
REMARK 500    ARG B 230   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    ARG B 230   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.2 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    VAL A  17     -106.48     49.77                                   
REMARK 500    TRP A  27       71.73   -119.74                                   
REMARK 500    ASN A  48     -177.23   -173.01                                   
REMARK 500    PHE A  71      -61.70   -122.07                                   
REMARK 500    ASN A 150      -50.62     66.93                                   
REMARK 500    THR A 151      159.78     78.58                                   
REMARK 500    SER A 189      160.44    -49.09                                   
REMARK 500    VAL B  17     -103.52     46.33                                   
REMARK 500    ASP B  35     -158.22    -91.15                                   
REMARK 500    ASN B  48     -169.62   -171.54                                   
REMARK 500    PHE B  71      -55.38   -123.72                                   
REMARK 500    SER B 115     -155.33   -145.21                                   
REMARK 500    ARG B 145        0.23    124.70                                   
REMARK 500    TYR B 146     -127.84    -49.37                                   
REMARK 500    ASN B 148       54.64     33.80                                   
REMARK 500    ALA B 149     -156.46    161.64                                   
REMARK 500    ASN B 150      -83.49   -154.87                                   
REMARK 500    THR B 151      163.89     68.47                                   
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    GLU A  21         0.07    SIDE_CHAIN                              
REMARK 500    ASP A  35         0.07    SIDE_CHAIN                              
REMARK 500    ASP A  64         0.09    SIDE_CHAIN                              
REMARK 500    GLU A  78         0.09    SIDE_CHAIN                              
REMARK 500    ASN A  91         0.10    SIDE_CHAIN                              
REMARK 500    ASP A 129         0.07    SIDE_CHAIN                              
REMARK 500    ASN A 148         0.08    SIDE_CHAIN                              
REMARK 500    GLN A 156         0.07    SIDE_CHAIN                              
REMARK 500    ASN A 167         0.09    SIDE_CHAIN                              
REMARK 500    GLN A 240         0.10    SIDE_CHAIN                              
REMARK 500    ASN A 245         0.09    SIDE_CHAIN                              
REMARK 500    GLU B  21         0.07    SIDE_CHAIN                              
REMARK 500    ASP B  64         0.08    SIDE_CHAIN                              
REMARK 500    GLN B  73         0.10    SIDE_CHAIN                              
REMARK 500    ASN B  91         0.08    SIDE_CHAIN                              
REMARK 500    ASN B  95         0.08    SIDE_CHAIN                              
REMARK 500    ASN B 100         0.07    SIDE_CHAIN                              
REMARK 500    ASN B 150         0.08    SIDE_CHAIN                              
REMARK 500    ASN B 204         0.09    SIDE_CHAIN                              
REMARK 500    ASN B 236         0.09    SIDE_CHAIN                              
REMARK 500    GLN B 240         0.08    SIDE_CHAIN                              
REMARK 500    ASN B 245         0.08    SIDE_CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER                       
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    GLY A  25         14.82                                           
REMARK 500    ASN A  91         11.65                                           
REMARK 500    ALA A 126        -10.74                                           
REMARK 500    ALA A 131        -14.05                                           
REMARK 500    CYS A 136         11.31                                           
REMARK 500    ASN A 148        -10.59                                           
REMARK 500    GLN A 156        -10.37                                           
REMARK 500    LEU A 160         14.51                                           
REMARK 500    VAL A 188         10.34                                           
REMARK 500    SER A 189        -12.11                                           
REMARK 500    PRO B   4        -11.63                                           
REMARK 500    LYS B  36        -10.50                                           
REMARK 500    THR B  62        -10.57                                           
REMARK 500    GLY B  69        -10.88                                           
REMARK 500    GLU B  70        -11.22                                           
REMARK 500    SER B  77         11.40                                           
REMARK 500    ALA B 120        -11.65                                           
REMARK 500    PRO B 124        -11.58                                           
REMARK 500    PHE B 130         12.65                                           
REMARK 500    CYS B 136         12.77                                           
REMARK 500    GLY B 142         10.25                                           
REMARK 500    THR B 151         12.48                                           
REMARK 500    ASN B 165        -13.95                                           
REMARK 500    ALA B 185         10.37                                           
REMARK 500    SER B 195         10.09                                           
REMARK 500    LYS B 202         10.84                                           
REMARK 500    LYS B 203         13.58                                           
REMARK 500    TYR B 228        -12.07                                           
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 A 882        DISTANCE =  5.23 ANGSTROMS                       
REMARK 525    HOH A 899        DISTANCE =  6.26 ANGSTROMS                       
REMARK 525    HOH A 911        DISTANCE =  5.51 ANGSTROMS                       
DBREF  2CGA A    1   245  UNP    P00766   CTRA_BOVIN       1    245             
DBREF  2CGA B    1   245  UNP    P00766   CTRA_BOVIN       1    245             
SEQRES   1 A  245  CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU          
SEQRES   2 A  245  SER ARG ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER          
SEQRES   3 A  245  TRP PRO TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE          
SEQRES   4 A  245  HIS PHE CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL          
SEQRES   5 A  245  VAL THR ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL          
SEQRES   6 A  245  VAL VAL ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU          
SEQRES   7 A  245  LYS ILE GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN          
SEQRES   8 A  245  SER LYS TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR          
SEQRES   9 A  245  LEU LEU LYS LEU SER THR ALA ALA SER PHE SER GLN THR          
SEQRES  10 A  245  VAL SER ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE          
SEQRES  11 A  245  ALA ALA GLY THR THR CYS VAL THR THR GLY TRP GLY LEU          
SEQRES  12 A  245  THR ARG TYR THR ASN ALA ASN THR PRO ASP ARG LEU GLN          
SEQRES  13 A  245  GLN ALA SER LEU PRO LEU LEU SER ASN THR ASN CYS LYS          
SEQRES  14 A  245  LYS TYR TRP GLY THR LYS ILE LYS ASP ALA MET ILE CYS          
SEQRES  15 A  245  ALA GLY ALA SER GLY VAL SER SER CYS MET GLY ASP SER          
SEQRES  16 A  245  GLY GLY PRO LEU VAL CYS LYS LYS ASN GLY ALA TRP THR          
SEQRES  17 A  245  LEU VAL GLY ILE VAL SER TRP GLY SER SER THR CYS SER          
SEQRES  18 A  245  THR SER THR PRO GLY VAL TYR ALA ARG VAL THR ALA LEU          
SEQRES  19 A  245  VAL ASN TRP VAL GLN GLN THR LEU ALA ALA ASN                  
SEQRES   1 B  245  CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU          
SEQRES   2 B  245  SER ARG ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER          
SEQRES   3 B  245  TRP PRO TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE          
SEQRES   4 B  245  HIS PHE CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL          
SEQRES   5 B  245  VAL THR ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL          
SEQRES   6 B  245  VAL VAL ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU          
SEQRES   7 B  245  LYS ILE GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN          
SEQRES   8 B  245  SER LYS TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR          
SEQRES   9 B  245  LEU LEU LYS LEU SER THR ALA ALA SER PHE SER GLN THR          
SEQRES  10 B  245  VAL SER ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE          
SEQRES  11 B  245  ALA ALA GLY THR THR CYS VAL THR THR GLY TRP GLY LEU          
SEQRES  12 B  245  THR ARG TYR THR ASN ALA ASN THR PRO ASP ARG LEU GLN          
SEQRES  13 B  245  GLN ALA SER LEU PRO LEU LEU SER ASN THR ASN CYS LYS          
SEQRES  14 B  245  LYS TYR TRP GLY THR LYS ILE LYS ASP ALA MET ILE CYS          
SEQRES  15 B  245  ALA GLY ALA SER GLY VAL SER SER CYS MET GLY ASP SER          
SEQRES  16 B  245  GLY GLY PRO LEU VAL CYS LYS LYS ASN GLY ALA TRP THR          
SEQRES  17 B  245  LEU VAL GLY ILE VAL SER TRP GLY SER SER THR CYS SER          
SEQRES  18 B  245  THR SER THR PRO GLY VAL TYR ALA ARG VAL THR ALA LEU          
SEQRES  19 B  245  VAL ASN TRP VAL GLN GLN THR LEU ALA ALA ASN                  
FORMUL   3  HOH   *329(H2 O)                                                    
HELIX    1   1 SER A   11  ILE A   16  5                                   6    
HELIX    2   2 ALA A   55  GLY A   59  5                                   5    
HELIX    3   3 TRP A  141  TYR A  146  5                                   6    
HELIX    4   4 SER A  164  GLY A  173  1                                  10    
HELIX    5   5 THR A  174  ILE A  176  5                                   3    
HELIX    6   6 LEU A  234  ASN A  245  1                                  12    
HELIX    7   7 SER B   11  ILE B   16  5                                   6    
HELIX    8   8 ALA B   55  GLY B   59  5                                   5    
HELIX    9   9 SER B  164  GLY B  173  1                                  10    
HELIX   10  10 THR B  174  ILE B  176  5                                   3    
HELIX   11  11 LEU B  234  ASN B  245  1                                  12    
SHEET    1   A 7 GLN A  81  LEU A  83  0                                        
SHEET    2   A 7 VAL A  65  ALA A  68 -1  O  VAL A  66   N  LEU A  83           
SHEET    3   A 7 GLN A  30  GLN A  34 -1  O  SER A  32   N  VAL A  67           
SHEET    4   A 7 HIS A  40  ASN A  48 -1  N  PHE A  41   O  LEU A  33           
SHEET    5   A 7 TRP A  51  THR A  54 -1  O  TRP A  51   N  ILE A  47           
SHEET    6   A 7 THR A 104  LEU A 108 -1  N  THR A 104   O  THR A  54           
SHEET    7   A 7 ILE A  85  LYS A  90 -1  N  ALA A  86   O  LYS A 107           
SHEET    1   B 7 GLU B  20  GLU B  21  0                                        
SHEET    2   B 7 GLN B 156  PRO B 161 -1  N  GLN B 157   O  GLU B  20           
SHEET    3   B 7 THR B 135  GLY B 140 -1  N  CYS B 136   O  LEU B 160           
SHEET    4   B 7 PRO B 198  LYS B 203 -1  O  PRO B 198   N  THR B 139           
SHEET    5   B 7 ALA B 206  TRP B 215 -1  O  ALA B 206   N  LYS B 203           
SHEET    6   B 7 PRO B 225  ARG B 230 -1  N  VAL B 227   O  TRP B 215           
SHEET    7   B 7 MET B 180  GLY B 184 -1  O  ILE B 181   N  TYR B 228           
SHEET    1   C 7 GLN B  30  GLN B  34  0                                        
SHEET    2   C 7 HIS B  40  ASN B  48 -1  N  PHE B  41   O  LEU B  33           
SHEET    3   C 7 TRP B  51  THR B  54 -1  O  TRP B  51   N  ILE B  47           
SHEET    4   C 7 THR B 104  LEU B 108 -1  O  THR B 104   N  THR B  54           
SHEET    5   C 7 GLN B  81  LYS B  90 -1  N  ALA B  86   O  LYS B 107           
SHEET    6   C 7 VAL B  65  ALA B  68 -1  O  VAL B  66   N  LEU B  83           
SHEET    7   C 7 GLN B  30  GLN B  34 -1  O  SER B  32   N  VAL B  67           
SSBOND   1 CYS A    1    CYS A  122                          1555   1555  2.00  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.03  
SSBOND   3 CYS A  136    CYS A  201                          1555   1555  2.05  
SSBOND   4 CYS A  168    CYS A  182                          1555   1555  2.04  
SSBOND   5 CYS A  191    CYS A  220                          1555   1555  2.04  
SSBOND   6 CYS B    1    CYS B  122                          1555   1555  2.05  
SSBOND   7 CYS B   42    CYS B   58                          1555   1555  2.05  
SSBOND   8 CYS B  136    CYS B  201                          1555   1555  2.05  
SSBOND   9 CYS B  168    CYS B  182                          1555   1555  2.03  
SSBOND  10 CYS B  191    CYS B  220                          1555   1555  2.03  
CRYST1   59.300   77.100  110.100  90.00  90.00  90.00 P 21 21 21    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      0.016863  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012970  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009083        0.00000                         
MTRIX1   1  0.987700  0.155000  0.017700        6.21700    1                    
MTRIX2   1  0.022800 -0.031400 -0.999200      115.61600    1                    
MTRIX3   1 -0.154300  0.987400 -0.034600       -3.74800    1