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Database: PDB
Entry: 1TRM
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Original site: 1TRM 
HEADER    HYDROLASE (SERINE PROTEINASE)           21-OCT-87   1TRM              
TITLE     THE THREE-DIMENSIONAL STRUCTURE OF ASN102 MUTANT OF TRYPSIN. ROLE OF  
TITLE    2 ASP102 IN SERINE PROTEASE CATALYSIS                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPSIN;                                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.4.21.4;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS RATTUS;                                  
SOURCE   3 ORGANISM_COMMON: BLACK RAT;                                          
SOURCE   4 ORGANISM_TAXID: 10117                                                
KEYWDS    HYDROLASE (SERINE PROTEINASE)                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.SPRANG,T.STANDING,R.J.FLETTERICK                                    
REVDAT   5   29-NOV-17 1TRM    1       HELIX                                    
REVDAT   4   24-FEB-09 1TRM    1       VERSN                                    
REVDAT   3   01-APR-03 1TRM    1       JRNL                                     
REVDAT   2   15-JUL-93 1TRM    1       REVDAT                                   
REVDAT   1   16-JUL-88 1TRM    0                                                
JRNL        AUTH   S.SPRANG,T.STANDING,R.J.FLETTERICK,R.M.STROUD,J.FINER-MOORE, 
JRNL        AUTH 2 N.H.XUONG,R.HAMLIN,W.J.RUTTER,C.S.CRAIK                      
JRNL        TITL   THE THREE-DIMENSIONAL STRUCTURE OF ASN102 MUTANT OF TRYPSIN: 
JRNL        TITL 2 ROLE OF ASP102 IN SERINE PROTEASE CATALYSIS.                 
JRNL        REF    SCIENCE                       V. 237   905 1987              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   3112942                                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.S.CRAIK,S.ROCZNIAK,C.LARGMAN,W.J.RUTTER                    
REMARK   1  TITL   THE CATALYTIC ROLE OF THE ACTIVE SITE ASPARTIC ACID IN       
REMARK   1  TITL 2 SERINE PROTEASES                                             
REMARK   1  REF    SCIENCE                       V. 237   909 1987              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 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 + TEST SET) : 0.160                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
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                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3324                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 230                                     
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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.030 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 0.050 ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE A AND B CONFORMATIONS OF THE RESIDUE HIS 57 IN BOTH             
REMARK   3  CHAINS WERE OBSERVED IN DIFFERENCE MAPS AFTER REFINEMENT            
REMARK   3  WITH THIS SIDE CHAIN OMITTED FROM THE MODEL.  THE                   
REMARK   3  POSSIBILITY THAT ONE OF THE POSITIONS WOULD CORRESPOND TO           
REMARK   3  AN ORDERED WATER MOLECULE WAS TESTED AND FOUND TO BE                
REMARK   3  INCORRECT.  THE RELATIVE OCCUPANCY OF THE TWO CONFORMATIONS         
REMARK   3  WAS ESTIMATED BY COMPARING THE ELECTRON DENSITY AT                  
REMARK   3  POSITIONS WHERE THE TWO SIDE CHAINS DO NOT OVERLAP.  THE            
REMARK   3  OCCUPANCY OF THE TWO POSITIONS WAS NOT REFINED.  THE B              
REMARK   3  CONFORMATION CORRESPONDS TO THAT FOUND IN WILD TYPE                 
REMARK   3  TRYPSIN.                                                            
REMARK   4                                                                      
REMARK   4 1TRM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000176808.                                   
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   (%): 50.45                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48                     
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       20.20000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       63.65000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       46.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       63.65000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       20.20000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       46.00000            
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 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE CATALYTIC SITE, DIFFERS FROM THE CATALYTIC SITE OF NATIVE        
REMARK 400 TRYPSIN BY REPLACEMENT OF ASP 102 WITH AN ASN. IN THE MUTANT, ND2    
REMARK 400 ASN 102 IS A HYDROGEN BOND DONOR TO ND1 HIS 57. THIS HYDROGEN        
REMARK 400 ARRANGEMENT PREVENTS HIS 57 FROM ACCEPTING A HYDROGEN BOND FROM SER  
REMARK 400 195 AND RESULTS IN A LOSS OF NECLEOPHILICITY OF SER 195. THE MUTANT  
REMARK 400 IS FOUR ORDERS OF MAGNITUDE LESS ACTIVE THAN NATIVE RAT TRYPSIN.     
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     GLN A 239    CG   CD   OE1  NE2                                  
REMARK 470     GLN B 239    CG   CD   OE1  NE2                                  
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   O    HOH A   358     O    HOH B   311     4466     0.28            
REMARK 500   O    HOH A   348     O    HOH B   362     4566     0.60            
REMARK 500   O    HOH A   361     O    HOH B   349     4466     0.89            
REMARK 500   OE1  GLN B    23     NH2  ARG B    96     1655     1.07            
REMARK 500   CD   GLN B    23     NH2  ARG B    96     1655     1.34            
REMARK 500   OE1  GLN A    23     NH2  ARG A    96     1655     1.39            
REMARK 500   O    HOH A   310     O    HOH B   359     4566     1.44            
REMARK 500   O    HOH A   327     O    HOH B   329     3546     1.51            
REMARK 500   O    HOH A   327     O    HOH B   328     3546     1.58            
REMARK 500   OE1  GLN A    23     CZ   ARG A    96     1655     1.73            
REMARK 500   OE1  GLN B    23     CZ   ARG B    96     1655     1.73            
REMARK 500   NE2  GLN B    23     NH2  ARG B    96     1655     1.77            
REMARK 500   O    HOH A   311     O    HOH B   360     4566     1.78            
REMARK 500   O    HOH A   349     O    HOH B   361     4566     1.83            
REMARK 500   O    HOH A   314     O    HOH B   282     4566     1.93            
REMARK 500   OD2  ASP A   236     O    LEU B   114     4466     1.94            
REMARK 500   CD   GLN A    23     NH2  ARG A    96     1655     1.97            
REMARK 500   O    HOH A   360     O    HOH B   350     4466     1.98            
REMARK 500   OD1  ASP A    49     O    HOH B   282     4566     2.01            
REMARK 500   OE1  GLN A    23     NE   ARG A    96     1655     2.05            
REMARK 500   O    HOH A   359     O    HOH B   312     4466     2.10            
REMARK 500   O    HOH A   326     O    HOH B   329     3546     2.11            
REMARK 500   O    LEU A   114     OD2  ASP B   236     4566     2.12            
REMARK 500   OG   SER A   147     O    SER B   146     3546     2.17            
REMARK 500   O    HOH A   281     O    HOH B   315     4466     2.18            
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    SER A  45   CB    SER A  45   OG     -0.091                       
REMARK 500    TRP A  51   CE2   TRP A  51   CD2     0.085                       
REMARK 500    GLU A  70   CD    GLU A  70   OE2     0.071                       
REMARK 500    GLU A  77   CD    GLU A  77   OE2     0.078                       
REMARK 500    PRO A 111   CD    PRO A 111   N       0.088                       
REMARK 500    PRO A 161   CD    PRO A 161   N       0.099                       
REMARK 500    CYS A 182   CB    CYS A 182   SG     -0.097                       
REMARK 500    GLU A 186   CD    GLU A 186   OE2     0.088                       
REMARK 500    GLU B  24   CD    GLU B  24   OE2     0.071                       
REMARK 500    SER B  37   CA    SER B  37   CB      0.095                       
REMARK 500    GLU B 151   CD    GLU B 151   OE2     0.080                       
REMARK 500    PRO B 161   CD    PRO B 161   N       0.093                       
REMARK 500    GLU B 169   CD    GLU B 169   OE2     0.070                       
REMARK 500    GLU B 186   CD    GLU B 186   OE2     0.081                       
REMARK 500    GLU B 204   CD    GLU B 204   OE2     0.076                       
REMARK 500    ASN B 245   C     ASN B 245   O       0.114                       
REMARK 500    ASN B 245   C     ASN B 245   OXT     0.125                       
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    GLN A  23   CB  -  CG  -  CD  ANGL. DEV. =  16.2 DEGREES          
REMARK 500    GLU A  24   N   -  CA  -  CB  ANGL. DEV. =  14.6 DEGREES          
REMARK 500    GLU A  24   CA  -  CB  -  CG  ANGL. DEV. =  13.9 DEGREES          
REMARK 500    VAL A  27   CA  -  CB  -  CG2 ANGL. DEV. =  16.4 DEGREES          
REMARK 500    GLN A  30   CA  -  CB  -  CG  ANGL. DEV. =  14.0 DEGREES          
REMARK 500    SER A  45   N   -  CA  -  CB  ANGL. DEV. =   9.6 DEGREES          
REMARK 500    ASP A  49   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    HIS A  57   CA  -  CB  -  CG  ANGL. DEV. =  12.2 DEGREES          
REMARK 500    HIS A  57   O   -  C   -  N   ANGL. DEV. = -12.6 DEGREES          
REMARK 500    LYS A  60   N   -  CA  -  CB  ANGL. DEV. =  11.9 DEGREES          
REMARK 500    ARG A  62   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG A  65A  NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ILE A  73   CG1 -  CB  -  CG2 ANGL. DEV. =  14.7 DEGREES          
REMARK 500    ILE A  73   CA  -  CB  -  CG2 ANGL. DEV. =  13.1 DEGREES          
REMARK 500    GLU A  77   CG  -  CD  -  OE1 ANGL. DEV. =  13.5 DEGREES          
REMARK 500    GLU A  77   CG  -  CD  -  OE2 ANGL. DEV. = -16.8 DEGREES          
REMARK 500    GLU A  80   OE1 -  CD  -  OE2 ANGL. DEV. =  -9.3 DEGREES          
REMARK 500    PHE A  82   CB  -  CG  -  CD2 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    VAL A  83   CG1 -  CB  -  CG2 ANGL. DEV. = -10.1 DEGREES          
REMARK 500    PHE A  94   CB  -  CG  -  CD2 ANGL. DEV. = -11.0 DEGREES          
REMARK 500    PHE A  94   CB  -  CG  -  CD1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    ASP A  95   CB  -  CG  -  OD1 ANGL. DEV. =   9.6 DEGREES          
REMARK 500    ASP A  95   CB  -  CG  -  OD2 ANGL. DEV. = -12.1 DEGREES          
REMARK 500    ARG A  96   N   -  CA  -  CB  ANGL. DEV. =  10.9 DEGREES          
REMARK 500    ARG A  96   CD  -  NE  -  CZ  ANGL. DEV. =  13.9 DEGREES          
REMARK 500    ARG A  96   NE  -  CZ  -  NH1 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    LEU A  99   CB  -  CA  -  C   ANGL. DEV. =  11.4 DEGREES          
REMARK 500    ASN A 102   CB  -  CA  -  C   ANGL. DEV. =  12.6 DEGREES          
REMARK 500    MET A 104   CA  -  CB  -  CG  ANGL. DEV. =  18.5 DEGREES          
REMARK 500    ARG A 117   NE  -  CZ  -  NH1 ANGL. DEV. =   8.3 DEGREES          
REMARK 500    ARG A 117   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500    PRO A 124   C   -  N   -  CD  ANGL. DEV. = -15.4 DEGREES          
REMARK 500    PRO A 124   CA  -  N   -  CD  ANGL. DEV. =  12.2 DEGREES          
REMARK 500    PRO A 124   N   -  CA  -  CB  ANGL. DEV. = -10.6 DEGREES          
REMARK 500    SER A 127   CB  -  CA  -  C   ANGL. DEV. = -11.8 DEGREES          
REMARK 500    THR A 144   CA  -  CB  -  CG2 ANGL. DEV. =  12.6 DEGREES          
REMARK 500    SER A 146   CB  -  CA  -  C   ANGL. DEV. =  11.5 DEGREES          
REMARK 500    SER A 147   O   -  C   -  N   ANGL. DEV. = -10.6 DEGREES          
REMARK 500    ASP A 153   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    PRO A 161   O   -  C   -  N   ANGL. DEV. =  10.4 DEGREES          
REMARK 500    TYR A 172   CB  -  CG  -  CD2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    LYS A 175   CB  -  CA  -  C   ANGL. DEV. =  15.8 DEGREES          
REMARK 500    ILE A 176   CB  -  CG1 -  CD1 ANGL. DEV. =  17.3 DEGREES          
REMARK 500    ASP A 178   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    VAL A 181   CG1 -  CB  -  CG2 ANGL. DEV. = -13.1 DEGREES          
REMARK 500    LEU A 185   CB  -  CG  -  CD1 ANGL. DEV. =  12.6 DEGREES          
REMARK 500    GLU A 186   CA  -  CB  -  CG  ANGL. DEV. =  16.8 DEGREES          
REMARK 500    ASP A 189   CB  -  CG  -  OD1 ANGL. DEV. =  11.3 DEGREES          
REMARK 500    ASP A 194   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    GLY A 203   C   -  N   -  CA  ANGL. DEV. =  13.5 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     131 ANGLE DEVIATIONS.                             
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    SER A  54     -146.74   -151.64                                   
REMARK 500    HIS A  71      -67.27   -136.04                                   
REMARK 500    ASN A 150       96.47   -160.87                                   
REMARK 500    PRO A 173      104.06    -32.06                                   
REMARK 500    ASN A 202       73.85     47.33                                   
REMARK 500    ILE A 238      -72.03    -39.89                                   
REMARK 500    ASN B  25       13.72     57.06                                   
REMARK 500    HIS B  71      -69.39   -136.42                                   
REMARK 500    PHE B  94      108.88    -44.54                                   
REMARK 500    ASN B 150      105.16   -160.23                                   
REMARK 500    VAL B 235      -36.72    -20.37                                   
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    ARG A  65A        0.10    SIDE CHAIN                              
REMARK 500    ARG B  62         0.08    SIDE CHAIN                              
REMARK 500    ARG B  96         0.18    SIDE CHAIN                              
REMARK 500    ARG B 117         0.09    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 ANGLE, 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    LEU A 114         10.40                                           
REMARK 500    MET B 104        -19.87                                           
REMARK 500    VAL B 112        -13.64                                           
REMARK 500    TYR B 234         11.82                                           
REMARK 500    ILE B 238         13.75                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 247  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  70   OE1                                                    
REMARK 620 2 ASN A  72   O    81.3                                              
REMARK 620 3 VAL A  75   O   161.7  82.2                                        
REMARK 620 4 GLU A  80   OE2 105.2 173.2  91.6                                  
REMARK 620 5 HOH A 271   O    77.6 102.8  98.3  81.0                            
REMARK 620 6 GLU A  77   OE1  91.3  76.4  92.6 101.0 168.8                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B 247  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN B  72   O                                                      
REMARK 620 2 VAL B  75   O    83.4                                              
REMARK 620 3 GLU B  80   OE2 169.1  86.7                                        
REMARK 620 4 HOH B 272   O    98.7  87.2  76.3                                  
REMARK 620 5 GLU B  77   OE1  98.6 102.2  87.9 161.2                            
REMARK 620 6 GLU B  70   OE1  91.0 166.0  97.6  81.0  91.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CTA                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE IN CHAIN A                          
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CTB                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE IN CHAIN B                          
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 247                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 247                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 246                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN B 246                 
DBREF  1TRM A   16   245  UNP    P00763   TRY2_RAT        24    246             
DBREF  1TRM B   16   245  UNP    P00763   TRY2_RAT        24    246             
SEQADV 1TRM ASN A  102  UNP  P00763    ASP   107 CONFLICT                       
SEQADV 1TRM ASN B  102  UNP  P00763    ASP   107 CONFLICT                       
SEQRES   1 A  223  ILE VAL GLY GLY TYR THR CYS GLN GLU ASN SER VAL PRO          
SEQRES   2 A  223  TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY          
SEQRES   3 A  223  GLY SER LEU ILE ASN ASP GLN TRP VAL VAL SER ALA ALA          
SEQRES   4 A  223  HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU          
SEQRES   5 A  223  HIS ASN ILE ASN VAL LEU GLU GLY ASN GLU GLN PHE VAL          
SEQRES   6 A  223  ASN ALA ALA LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG          
SEQRES   7 A  223  LYS THR LEU ASN ASN ASN ILE MET LEU ILE LYS LEU SER          
SEQRES   8 A  223  SER PRO VAL LYS LEU ASN ALA ARG VAL ALA THR VAL ALA          
SEQRES   9 A  223  LEU PRO SER SER CYS ALA PRO ALA GLY THR GLN CYS LEU          
SEQRES  10 A  223  ILE SER GLY TRP GLY ASN THR LEU SER SER GLY VAL ASN          
SEQRES  11 A  223  GLU PRO ASP LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU          
SEQRES  12 A  223  PRO GLN ALA ASP CYS GLU ALA SER TYR PRO GLY LYS ILE          
SEQRES  13 A  223  THR ASP ASN MET VAL CYS VAL GLY PHE LEU GLU GLY GLY          
SEQRES  14 A  223  LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL          
SEQRES  15 A  223  CYS ASN GLY GLU LEU GLN GLY ILE VAL SER TRP GLY TYR          
SEQRES  16 A  223  GLY CYS ALA LEU PRO ASP ASN PRO GLY VAL TYR THR LYS          
SEQRES  17 A  223  VAL CYS ASN TYR VAL ASP TRP ILE GLN ASP THR ILE ALA          
SEQRES  18 A  223  ALA ASN                                                      
SEQRES   1 B  223  ILE VAL GLY GLY TYR THR CYS GLN GLU ASN SER VAL PRO          
SEQRES   2 B  223  TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY          
SEQRES   3 B  223  GLY SER LEU ILE ASN ASP GLN TRP VAL VAL SER ALA ALA          
SEQRES   4 B  223  HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU          
SEQRES   5 B  223  HIS ASN ILE ASN VAL LEU GLU GLY ASN GLU GLN PHE VAL          
SEQRES   6 B  223  ASN ALA ALA LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG          
SEQRES   7 B  223  LYS THR LEU ASN ASN ASN ILE MET LEU ILE LYS LEU SER          
SEQRES   8 B  223  SER PRO VAL LYS LEU ASN ALA ARG VAL ALA THR VAL ALA          
SEQRES   9 B  223  LEU PRO SER SER CYS ALA PRO ALA GLY THR GLN CYS LEU          
SEQRES  10 B  223  ILE SER GLY TRP GLY ASN THR LEU SER SER GLY VAL ASN          
SEQRES  11 B  223  GLU PRO ASP LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU          
SEQRES  12 B  223  PRO GLN ALA ASP CYS GLU ALA SER TYR PRO GLY LYS ILE          
SEQRES  13 B  223  THR ASP ASN MET VAL CYS VAL GLY PHE LEU GLU GLY GLY          
SEQRES  14 B  223  LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL          
SEQRES  15 B  223  CYS ASN GLY GLU LEU GLN GLY ILE VAL SER TRP GLY TYR          
SEQRES  16 B  223  GLY CYS ALA LEU PRO ASP ASN PRO GLY VAL TYR THR LYS          
SEQRES  17 B  223  VAL CYS ASN TYR VAL ASP TRP ILE GLN ASP THR ILE ALA          
SEQRES  18 B  223  ALA ASN                                                      
HET     CA  A 247       1                                                       
HET    BEN  A 246       9                                                       
HET     CA  B 247       1                                                       
HET    BEN  B 246       9                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     BEN BENZAMIDINE                                                      
FORMUL   3   CA    2(CA 2+)                                                     
FORMUL   4  BEN    2(C7 H8 N2)                                                  
FORMUL   7  HOH   *230(H2 O)                                                    
HELIX    1 SHA PRO A  164  TYR A  172  1IRREGULAR AFTER CYS 168            9    
HELIX    2 31A LYS A  230  VAL A  235  5LEADS INTO TERMINAL ALPHA-HLX      6    
HELIX    3 TEA TYR A  234  ASN A  245  1C-TERMINAL HELIX                  12    
HELIX    4 SHB PRO B  164  TYR B  172  1IRREGULAR AFTER CYS 168            9    
HELIX    5 31B LYS B  230  VAL B  235  5LEADS INTO TERMINAL ALPHA-HLX      6    
HELIX    6 TEB TYR B  234  ASN B  245  1C-TERMINAL HELIX                  12    
SHEET    1 S1A 7 TYR A  20  TYR A  20  0                                        
SHEET    2 S1A 7 GLN A 156  PRO A 161 -1  O  CYS A 157   N  TYR A  20           
SHEET    3 S1A 7 CYS A 136  GLY A 140 -1  O  CYS A 136   N  ALA A 160           
SHEET    4 S1A 7 GLY A 197  CYS A 201 -1  N  VAL A 200   O  LEU A 137           
SHEET    5 S1A 7 GLU A 204  TRP A 215 -1  N  VAL A 213   O  GLY A 197           
SHEET    6 S1A 7 GLY A 226  VAL A 231 -1  N  VAL A 227   O  TRP A 215           
SHEET    7 S1A 7 ASN A 179  VAL A 183 -1  N  VAL A 183   O  GLY A 226           
SHEET    1 S2A 4 GLY A  43  SER A  45  0                                        
SHEET    2 S2A 4 VAL A  52  ALA A  55 -1  N  VAL A  53   O  SER A  45           
SHEET    3 S2A 4 ILE A 103  LYS A 107 -1  O  MET A 104   N  SER A  54           
SHEET    4 S2A 4 LYS A  87  HIS A  91 -1  N  HIS A  91   O  ILE A 103           
SHEET    1 S3A 2 ILE A  63  LEU A  66  0                                        
SHEET    2 S3A 2 GLN A  81  ALA A  85 -1  N  GLN A  81   O  LEU A  66           
SHEET    1 S1B 7 TYR B  20  TYR B  20  0                                        
SHEET    2 S1B 7 GLN B 156  PRO B 161 -1  O  CYS B 157   N  TYR B  20           
SHEET    3 S1B 7 CYS B 136  GLY B 140 -1  O  CYS B 136   N  ALA B 160           
SHEET    4 S1B 7 GLY B 197  CYS B 201 -1  N  VAL B 200   O  LEU B 137           
SHEET    5 S1B 7 GLU B 204  TRP B 215 -1  N  VAL B 213   O  GLY B 197           
SHEET    6 S1B 7 GLY B 226  VAL B 231 -1  N  VAL B 227   O  TRP B 215           
SHEET    7 S1B 7 ASN B 179  VAL B 183 -1  N  VAL B 183   O  GLY B 226           
SHEET    1 S2B 4 GLY B  43  SER B  45  0                                        
SHEET    2 S2B 4 VAL B  52  ALA B  55 -1  N  VAL B  53   O  SER B  45           
SHEET    3 S2B 4 ILE B 103  LYS B 107 -1  O  MET B 104   N  SER B  54           
SHEET    4 S2B 4 LYS B  87  HIS B  91 -1  N  HIS B  91   O  ILE B 103           
SHEET    1 S3B 2 ILE B  63  LEU B  66  0                                        
SHEET    2 S3B 2 GLN B  81  ALA B  85 -1  N  GLN B  81   O  LEU B  66           
SSBOND   1 CYS A   22    CYS A  157                          1555   1555  2.00  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.00  
SSBOND   3 CYS A  128    CYS A  232                          1555   1555  2.06  
SSBOND   4 CYS A  136    CYS A  201                          1555   1555  1.97  
SSBOND   5 CYS A  168    CYS A  182                          1555   1555  1.96  
SSBOND   6 CYS A  191    CYS A  220                          1555   1555  1.94  
SSBOND   7 CYS B   22    CYS B  157                          1555   1555  1.95  
SSBOND   8 CYS B   42    CYS B   58                          1555   1555  2.02  
SSBOND   9 CYS B  128    CYS B  232                          1555   1555  2.06  
SSBOND  10 CYS B  136    CYS B  201                          1555   1555  2.00  
SSBOND  11 CYS B  168    CYS B  182                          1555   1555  1.95  
SSBOND  12 CYS B  191    CYS B  220                          1555   1555  1.99  
LINK        CA    CA A 247                 OE1 GLU A  70     1555   1555  2.15  
LINK        CA    CA A 247                 O   ASN A  72     1555   1555  2.37  
LINK        CA    CA A 247                 O   VAL A  75     1555   1555  2.41  
LINK        CA    CA A 247                 OE2 GLU A  80     1555   1555  2.53  
LINK        CA    CA A 247                 O   HOH A 271     1555   1555  2.38  
LINK        CA    CA A 247                 OE1 GLU A  77     1555   1555  2.00  
LINK        CA    CA B 247                 O   ASN B  72     1555   1555  2.32  
LINK        CA    CA B 247                 O   VAL B  75     1555   1555  2.31  
LINK        CA    CA B 247                 OE2 GLU B  80     1555   1555  2.48  
LINK        CA    CA B 247                 O   HOH B 272     1555   1555  2.03  
LINK        CA    CA B 247                 OE1 GLU B  77     1555   1555  1.83  
LINK        CA    CA B 247                 OE1 GLU B  70     1555   1555  2.33  
SITE     1 CTA  3 HIS A  57  ASN A 102  SER A 195                               
SITE     1 CTB  3 HIS B  57  ASN B 102  SER B 195                               
SITE     1 AC1  6 GLU A  70  ASN A  72  VAL A  75  GLU A  77                    
SITE     2 AC1  6 GLU A  80  HOH A 271                                          
SITE     1 AC2  6 GLU B  70  ASN B  72  VAL B  75  GLU B  77                    
SITE     2 AC2  6 GLU B  80  HOH B 272                                          
SITE     1 AC3  8 ASP A 189  SER A 190  GLN A 192  SER A 195                    
SITE     2 AC3  8 TRP A 215  GLY A 216  GLY A 219  GLY A 226                    
SITE     1 AC4  9 ASP B 189  SER B 190  GLN B 192  SER B 195                    
SITE     2 AC4  9 VAL B 213  GLY B 216  GLY B 219  CYS B 220                    
SITE     3 AC4  9 GLY B 226                                                     
CRYST1   40.400   92.000  127.300  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      0.024752  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010870  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007855        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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