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Database: PDB
Entry: 3TGK
LinkDB: 3TGK
Original site: 3TGK 
HEADER    HYDROLASE/ HYDROLASE INHIBITOR          19-JUL-98   3TGK              
TITLE     TRYPSINOGEN MUTANT D194N AND DELETION OF ILE 16-VAL 17                
TITLE    2 COMPLEXED WITH BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI)            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPSIN II, ANIONIC;                                       
COMPND   3 CHAIN: E;                                                            
COMPND   4 EC: 3.4.21.4;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: PANCREATIC TRYPSIN INHIBITOR;                              
COMPND   9 CHAIN: I;                                                            
COMPND  10 SYNONYM: BPTI                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 EXPRESSION_SYSTEM: SACCHAROMYCES;                                    
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 4930;                                       
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PYT;                                      
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE  11 ORGANISM_COMMON: CATTLE;                                             
SOURCE  12 ORGANISM_TAXID: 9913                                                 
KEYWDS    SERINE PROTEASE, COMPLEX (SERINE PROTEASE/INHIBITOR),                 
KEYWDS   2 HYDROLASE/ HYDROLASE INHIBITOR COMPLEX                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.PASTERNAK,A.WHITE,C.J.JEFFERY,N.MEDINA,M.CAHOON,D.RINGE,            
AUTHOR   2 L.HEDSTROM                                                           
REVDAT   2   24-FEB-09 3TGK    1       VERSN                                    
REVDAT   1   04-JUL-01 3TGK    0                                                
JRNL        AUTH   A.PASTERNAK,A.WHITE,C.J.JEFFERY,N.MEDINA,M.CAHOON,           
JRNL        AUTH 2 D.RINGE,L.HEDSTROM                                           
JRNL        TITL   THE ENERGETIC COST OF INDUCED FIT CATALYSIS:                 
JRNL        TITL 2 CRYSTAL STRUCTURES OF TRYPSINOGEN MUTANTS WITH               
JRNL        TITL 3 ENHANCED ACTIVITY AND INHIBITOR AFFINITY.                    
JRNL        REF    PROTEIN SCI.                  V.  10  1331 2001              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   11420435                                                     
JRNL        DOI    10.1110/PS.44101                                             
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 32654                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.218                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
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           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.78                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3326                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2620                       
REMARK   3   BIN FREE R VALUE                    : 0.2640                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 379                          
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            : 2078                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 16                                      
REMARK   3   SOLVENT ATOMS            : 210                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.30                          
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) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.60                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 27.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.89                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : CA.PARAM                                       
REMARK   3  PARAMETER FILE  3  : SO4.PARAM                                      
REMARK   3  PARAMETER FILE  4  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : CA.TOP                                         
REMARK   3  TOPOLOGY FILE  3   : SO4.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : WATER.TOPH                                     
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ALSO TOPH19.PEP USED                      
REMARK   4                                                                      
REMARK   4 3TGK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUL-98.                  
REMARK 100 THE RCSB ID CODE IS RCSB001545.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 277                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200B                      
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32654                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.8                               
REMARK 200  DATA REDUNDANCY                : 5.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.2                               
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.56                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M LISO4, 0.1 M TRIS, PH 8.5          
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       41.35333            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       20.67667            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       20.67667            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       41.35333            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2160 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11860 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, I                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLU E     6                                                      
REMARK 465     ALA E     7                                                      
REMARK 465     PHE E     8                                                      
REMARK 465     PRO E     9                                                      
REMARK 465     VAL E    10                                                      
REMARK 465     ASP E    11                                                      
REMARK 465     ASP E    12                                                      
REMARK 465     ASP E    13                                                      
REMARK 465     ASP E    14                                                      
REMARK 465     THR E   144                                                      
REMARK 465     LEU E   145                                                      
REMARK 465     SER E   146                                                      
REMARK 465     SER E   147                                                      
REMARK 465     GLY E   148                                                      
REMARK 465     GLY I    57                                                      
REMARK 465     ALA I    58                                                      
REMARK 465     ILE I    59                                                      
REMARK 465     GLY I    60                                                      
REMARK 465     PRO I    61                                                      
REMARK 465     TRP I    62                                                      
REMARK 465     GLU I    63                                                      
REMARK 465     ASN I    64                                                      
REMARK 465     LEU I    65                                                      
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     LYS E  15    CG   CD   CE   NZ                                   
REMARK 470     LYS I  26    CG   CD   CE   NZ                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH E   641     O    HOH E   642              2.14            
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    HIS E  71      -63.55   -133.36                                   
REMARK 500    SER E 214      -72.75   -122.38                                   
REMARK 500    ASN E 224       71.75   -150.45                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH E 628        DISTANCE =  5.15 ANGSTROMS                       
REMARK 525    HOH E 688        DISTANCE =  5.26 ANGSTROMS                       
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 E 500  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU E  70   OE1                                                    
REMARK 620 2 VAL E  75   O   157.6                                              
REMARK 620 3 GLU E  80   OE2 100.3  87.0                                        
REMARK 620 4 HOH E 513   O    77.5  81.5  88.9                                  
REMARK 620 5 ASN E  72   O    93.0  83.4 164.7 101.4                            
REMARK 620 6 GLU E  77   OE1  93.3 108.7  82.9 166.4  88.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CAT                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: THE CATALYTIC TRIAD                                
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA E 500                  
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 I 990                 
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 I 991                 
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 I 992                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1F5R   RELATED DB: PDB                                   
REMARK 900 1F5R IS THE CRYSTAL STRUCTURE OF DELTAI16V17/Q156K                   
REMARK 900 TRYPSINOGEN COMPLEXED WITH BPTI                                      
REMARK 900 RELATED ID: 1F7Z   RELATED DB: PDB                                   
REMARK 900 1F7Z IS THE CRYSTAL STRUCTURE OF K15A TRYPSINOGEN COMPLEXED          
REMARK 900 WITH BPTI                                                            
REMARK 900 RELATED ID: 1FY8   RELATED DB: PDB                                   
REMARK 900 1FY8 IS THE CRYSTAL STRUCTURE OF THE DELTAI16V17                     
REMARK 900 TRYPSINOGEN COMPLEXED WITH BPTI                                      
DBREF  3TGK E    7   236  UNP    P00763   TRY2_RAT        15    246             
DBREF  3TGK I    1    65  UNP    P00974   BPT1_BOVIN      36    100             
SEQADV 3TGK GLU E    6  UNP  P00763              CLONING ARTIFACT               
SEQADV 3TGK     E       UNP  P00763    ILE    24 DELETION                       
SEQADV 3TGK     E       UNP  P00763    VAL    25 DELETION                       
SEQADV 3TGK ASP E  189  UNP  P00763    ASN   199 ENGINEERED                     
SEQRES   1 E  231  GLU ALA PHE PRO VAL ASP ASP ASP ASP LYS GLY GLY TYR          
SEQRES   2 E  231  THR CYS GLN GLU ASN SER VAL PRO TYR GLN VAL SER LEU          
SEQRES   3 E  231  ASN SER GLY TYR HIS PHE CYS GLY GLY SER LEU ILE ASN          
SEQRES   4 E  231  ASP GLN TRP VAL VAL SER ALA ALA HIS CYS TYR LYS SER          
SEQRES   5 E  231  ARG ILE GLN VAL ARG LEU GLY GLU HIS ASN ILE ASN VAL          
SEQRES   6 E  231  LEU GLU GLY ASN GLU GLN PHE VAL ASN ALA ALA LYS ILE          
SEQRES   7 E  231  ILE LYS HIS PRO ASN PHE ASP ARG LYS THR LEU ASN ASN          
SEQRES   8 E  231  ASP ILE MET LEU ILE LYS LEU SER SER PRO VAL LYS LEU          
SEQRES   9 E  231  ASN ALA ARG VAL ALA THR VAL ALA LEU PRO SER SER CYS          
SEQRES  10 E  231  ALA PRO ALA GLY THR GLN CYS LEU ILE SER GLY TRP GLY          
SEQRES  11 E  231  ASN THR LEU SER SER GLY VAL ASN GLU PRO ASP LEU LEU          
SEQRES  12 E  231  GLN CYS LEU ASP ALA PRO LEU LEU PRO GLN ALA ASP CYS          
SEQRES  13 E  231  GLU ALA SER TYR PRO GLY LYS ILE THR ASP ASN MET VAL          
SEQRES  14 E  231  CYS VAL GLY PHE LEU GLU GLY GLY LYS ASP SER CYS GLN          
SEQRES  15 E  231  GLY ASN SER GLY GLY PRO VAL VAL CYS ASN GLY GLU LEU          
SEQRES  16 E  231  GLN GLY ILE VAL SER TRP GLY TYR GLY CYS ALA LEU PRO          
SEQRES  17 E  231  ASP ASN PRO GLY VAL TYR THR LYS VAL CYS ASN TYR VAL          
SEQRES  18 E  231  ASP TRP ILE GLN ASP THR ILE ALA ALA ASN                      
SEQRES   1 I   65  ARG PRO ASP PHE CYS LEU GLU PRO PRO TYR THR GLY PRO          
SEQRES   2 I   65  CYS LYS ALA ARG ILE ILE ARG TYR PHE TYR ASN ALA LYS          
SEQRES   3 I   65  ALA GLY LEU CYS GLN THR PHE VAL TYR GLY GLY CYS ARG          
SEQRES   4 I   65  ALA LYS ARG ASN ASN PHE LYS SER ALA GLU ASP CYS MET          
SEQRES   5 I   65  ARG THR CYS GLY GLY ALA ILE GLY PRO TRP GLU ASN LEU          
HET     CA  E 500       1                                                       
HET    SO4  I 990       5                                                       
HET    SO4  I 991       5                                                       
HET    SO4  I 992       5                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  SO4    3(O4 S 2-)                                                   
FORMUL   7  HOH   *210(H2 O)                                                    
HELIX    1   1 ALA E   55  TYR E   59  5                                   5    
HELIX    2   2 PRO E  164  TYR E  172  1                                   9    
HELIX    3   3 TYR E  234  ALA E  244  1                                  11    
HELIX    4   4 PRO I    2  GLU I    7  5                                   6    
HELIX    5   5 SER I   47  GLY I   56  1                                  10    
SHEET    1   A 7 TYR E  20  THR E  21  0                                        
SHEET    2   A 7 GLN E 156  PRO E 161 -1  N  CYS E 157   O  TYR E  20           
SHEET    3   A 7 GLN E 135  GLY E 140 -1  N  CYS E 136   O  ALA E 160           
SHEET    4   A 7 PRO E 198  CYS E 201 -1  O  PRO E 198   N  SER E 139           
SHEET    5   A 7 GLU E 204  TRP E 215 -1  O  GLU E 204   N  CYS E 201           
SHEET    6   A 7 GLY E 226  LYS E 230 -1  N  VAL E 227   O  TRP E 215           
SHEET    7   A 7 MET E 180  VAL E 183 -1  O  VAL E 181   N  TYR E 228           
SHEET    1   B 7 GLN E  30  ASN E  34  0                                        
SHEET    2   B 7 HIS E  40  ASN E  48 -1  N  PHE E  41   O  LEU E  33           
SHEET    3   B 7 TRP E  51  SER E  54 -1  O  TRP E  51   N  ILE E  47           
SHEET    4   B 7 MET E 104  LEU E 108 -1  O  MET E 104   N  SER E  54           
SHEET    5   B 7 GLN E  81  LYS E  90 -1  N  ALA E  86   O  LYS E 107           
SHEET    6   B 7 GLN E  64  LEU E  68 -1  N  VAL E  66   O  VAL E  83           
SHEET    7   B 7 GLN E  30  ASN E  34 -1  O  SER E  32   N  ARG E  67           
SHEET    1   C 2 ILE I  18  ASN I  24  0                                        
SHEET    2   C 2 LEU I  29  TYR I  35 -1  O  LEU I  29   N  ASN I  24           
SSBOND   1 CYS E   22    CYS E  157                          1555   1555  2.03  
SSBOND   2 CYS E   42    CYS E   58                          1555   1555  2.03  
SSBOND   3 CYS E  128    CYS E  232                          1555   1555  2.03  
SSBOND   4 CYS E  136    CYS E  201                          1555   1555  2.03  
SSBOND   5 CYS E  168    CYS E  182                          1555   1555  2.02  
SSBOND   6 CYS E  191    CYS E  220                          1555   1555  2.03  
SSBOND   7 CYS I    5    CYS I   55                          1555   1555  2.03  
SSBOND   8 CYS I   14    CYS I   38                          1555   1555  2.03  
SSBOND   9 CYS I   30    CYS I   51                          1555   1555  2.03  
LINK        CA    CA E 500                 OE1 GLU E  70     1555   1555  2.31  
LINK        CA    CA E 500                 O   VAL E  75     1555   1555  2.30  
LINK        CA    CA E 500                 OE2 GLU E  80     1555   1555  2.30  
LINK        CA    CA E 500                 O   HOH E 513     1555   1555  2.53  
LINK        CA    CA E 500                 O   ASN E  72     1555   1555  2.41  
LINK        CA    CA E 500                 OE1 GLU E  77     1555   1555  2.42  
SITE     1 CAT  3 HIS E  57  ASP E 102  SER E 195                               
SITE     1 AC1  6 GLU E  70  ASN E  72  VAL E  75  GLU E  77                    
SITE     2 AC1  6 GLU E  80  HOH E 513                                          
SITE     1 AC2  3 PHE I   4  ARG I  42  HOH I 538                               
SITE     1 AC3  5 GLN E 239  ARG I  20  TYR I  35  HOH I 636                    
SITE     2 AC3  5 HOH I 671                                                     
SITE     1 AC4  4 LYS E  60  ILE I  18  ARG I  20  LYS I  46                    
CRYST1   92.580   92.580   62.030  90.00  90.00 120.00 P 32 2 1      6          
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      0.010801  0.006236  0.000000        0.00000                         
SCALE2      0.000000  0.012472  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016121        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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