HEADER    HYDROLASE/HYDROLASE INHIBITOR           02-JUN-98   1ZZZ              
TITLE     TRYPSIN INHIBITORS WITH RIGID TRIPEPTIDYL ALDEHYDES                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPSIN;                                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: TRP-CVS1694                                                 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913                                                 
KEYWDS    SERINE PROTEASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.KRISHNAN,E.ZHANG,K.HAKANSSON,R.K.ARNI,A.TULINSKY,M.S.L.LIM-WILBY,   
AUTHOR   2 O.E.LEVY,J.E.SEMPLE,T.K.BRUNCK                                       
REVDAT   5   30-OCT-24 1ZZZ    1       REMARK                                   
REVDAT   4   09-AUG-23 1ZZZ    1       REMARK LINK                              
REVDAT   3   13-JUL-11 1ZZZ    1       VERSN                                    
REVDAT   2   24-FEB-09 1ZZZ    1       VERSN                                    
REVDAT   1   15-JUN-99 1ZZZ    0                                                
JRNL        AUTH   R.KRISHNAN,E.ZHANG,K.HAKANSSON,R.K.ARNI,A.TULINSKY,          
JRNL        AUTH 2 M.S.LIM-WILBY,O.E.LEVY,J.E.SEMPLE,T.K.BRUNCK                 
JRNL        TITL   HIGHLY SELECTIVE MECHANISM-BASED THROMBIN INHIBITORS:        
JRNL        TITL 2 STRUCTURES OF THROMBIN AND TRYPSIN INHIBITED WITH RIGID      
JRNL        TITL 3 PEPTIDYL ALDEHYDES.                                          
JRNL        REF    BIOCHEMISTRY                  V.  37 12094 1998              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   9724521                                                      
JRNL        DOI    10.1021/BI980840E                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 4.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 72.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 15565                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.157                           
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            : 1629                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 29                                      
REMARK   3   SOLVENT ATOMS            : 157                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 7.00                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.015 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.035 ; 0.030               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.055 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.027 ; 0.030               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.150 ; 0.200               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.220 ; 0.600               
REMARK   3    MULTIPLE TORSION                (A) : 0.310 ; 0.600               
REMARK   3    H-BOND (X...Y)                  (A) : 0.280 ; 0.600               
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) : 4.000 ; 3.000               
REMARK   3    STAGGERED                 (DEGREES) : 20.000; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 30.000; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : 1.100 ; 1.000               
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : 1.800 ; 1.500               
REMARK   3   SIDE-CHAIN BOND               (A**2) : 2.600 ; 2.000               
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : 3.800 ; 2.500               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1ZZZ 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_1000177548.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : SEP-95                             
REMARK 200  TEMPERATURE           (KELVIN) : 300                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : RIGAKU SOFTWARE                    
REMARK 200  DATA SCALING SOFTWARE          : RIGAKU                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16355                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 72.0                               
REMARK 200  DATA REDUNDANCY                : 2.000                              
REMARK 200  R MERGE                    (I) : 0.04300                            
REMARK 200  R SYM                      (I) : 0.12000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 43.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.10000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.25000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1PPC                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.28                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.81                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.5                                   
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       31.83500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       34.61000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.60000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       34.61000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       31.83500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       31.60000            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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     LEU A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     ALA A     4                                                      
REMARK 465     ALA A     5                                                      
REMARK 465     VAL A     6                                                      
REMARK 465     ALA A     7                                                      
REMARK 465     PHE A     8                                                      
REMARK 465     PRO A     9                                                      
REMARK 465     VAL A    10                                                      
REMARK 465     ASP A    11                                                      
REMARK 465     ASP A    12                                                      
REMARK 465     ASP A    13                                                      
REMARK 465     ASP A    14                                                      
REMARK 465     LYS A    15                                                      
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   OG   SER A   195     C9   0IV A   246              1.81            
REMARK 500   OG   SER A   195     O2   0IV A   246              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    VAL A  53   CG1 -  CB  -  CG2 ANGL. DEV. =  -9.8 DEGREES          
REMARK 500    TYR A  59   CB  -  CG  -  CD1 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ARG A  66   NE  -  CZ  -  NH1 ANGL. DEV. =   8.3 DEGREES          
REMARK 500    ARG A  66   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    TYR A  94   CB  -  CG  -  CD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    MET A 104   CG  -  SD  -  CE  ANGL. DEV. =  10.4 DEGREES          
REMARK 500    ARG A 117   CB  -  CA  -  C   ANGL. DEV. = -16.5 DEGREES          
REMARK 500    ARG A 117   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG A 117   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500    SER A 130   CB  -  CA  -  C   ANGL. DEV. =  13.5 DEGREES          
REMARK 500    LYS A 145   CB  -  CA  -  C   ANGL. DEV. = -12.4 DEGREES          
REMARK 500    TYR A 151   CB  -  CG  -  CD1 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    ASP A 153   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP A 153   CB  -  CG  -  OD2 ANGL. DEV. =  -8.6 DEGREES          
REMARK 500    ASP A 165   CB  -  CG  -  OD1 ANGL. DEV. =  12.2 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    ASP A  71      -76.47   -117.05                                   
REMARK 500    ASN A  79       -7.00     93.75                                   
REMARK 500    GLN A 192      124.43    -39.47                                   
REMARK 500    SER A 195      150.33    -47.53                                   
REMARK 500    SER A 214      -75.48   -128.53                                   
REMARK 500    ASN A 223       22.56     49.70                                   
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    TYR A  29         0.06    SIDE CHAIN                              
REMARK 500    ARG A 117         0.11    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    GLY A  44         10.94                                           
REMARK 500    ASN A  48        -10.03                                           
REMARK 500    GLU A  77         15.20                                           
REMARK 500    ALA A 111         10.05                                           
REMARK 500    ARG A 117         18.93                                           
REMARK 500    SER A 120         10.70                                           
REMARK 500    ALA A 129        -10.57                                           
REMARK 500    GLN A 135        -10.89                                           
REMARK 500    LEU A 155        -11.98                                           
REMARK 500    GLU A 186        -11.13                                           
REMARK 500    GLY A 193         10.56                                           
REMARK 500    SER A 195        -10.27                                           
REMARK 500    LYS A 204        -20.15                                           
REMARK 500    VAL A 213        -14.30                                           
REMARK 500    GLY A 216        -11.44                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 THE ACTIVE SITE INHIBITOR IS IN ITS R CHIRAL FORM. THE ACTIVE SITE   
REMARK 600 SER 195 IS CLOSE TO THE CARBONYL CARBON (C9) OF THE ALDEHYDE GROUP   
REMARK 600 OF THE INHIBITOR FORMING A TRANSITION-STATE COMPLEX.                 
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     0IV A  246                                                       
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 701  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  70   OE1                                                    
REMARK 620 2 ASN A  72   O    85.5                                              
REMARK 620 3 VAL A  75   O   161.9  87.3                                        
REMARK 620 4 GLU A  80   OE2 102.5 156.5  90.7                                  
REMARK 620 5 HOH A 409   O    78.8 107.6  87.7  95.8                            
REMARK 620 6 HOH A 574   O    87.6  84.7 108.2  73.7 160.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 630                                                                      
REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE INHIBITOR                                
REMARK 630 MOLECULE NAME: 2-{(3S)-3-[(BENZYLSULFONYL)AMINO]-2-OXOPIPERIDIN-1-   
REMARK 630 YL}-N-{(2S)-1-[(3R)-1-CARBAMIMIDOYLPIPERIDIN-3-YL]-3-OXOPROPAN-2-    
REMARK 630 YL}ACETAMIDE                                                         
REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 630  SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                           
REMARK 630                                                                      
REMARK 630   M RES C SSSEQI                                                     
REMARK 630     0IV A   246                                                      
REMARK 630 SOURCE: NULL                                                         
REMARK 630 TAXONOMY: NULL                                                       
REMARK 630 SUBCOMP:    PMS NVA GLY 1PI                                          
REMARK 630 DETAILS: NULL                                                        
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0IV A 246                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CAT                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE OF TRYPSIN                             
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1YYY   RELATED DB: PDB                                   
DBREF  1ZZZ A    2   245  UNP    P00760   TRY1_BOVIN       7    243             
SEQRES   1 A  237  LEU GLY ALA ALA VAL ALA PHE PRO VAL ASP ASP ASP ASP          
SEQRES   2 A  237  LYS ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL          
SEQRES   3 A  237  PRO TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS          
SEQRES   4 A  237  GLY GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA          
SEQRES   5 A  237  ALA HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY          
SEQRES   6 A  237  GLU ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE          
SEQRES   7 A  237  ILE SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN          
SEQRES   8 A  237  SER ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU          
SEQRES   9 A  237  LYS SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE          
SEQRES  10 A  237  SER LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS          
SEQRES  11 A  237  LEU ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR          
SEQRES  12 A  237  SER TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE          
SEQRES  13 A  237  LEU SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN          
SEQRES  14 A  237  ILE THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY          
SEQRES  15 A  237  GLY LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL          
SEQRES  16 A  237  VAL CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY          
SEQRES  17 A  237  SER GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR          
SEQRES  18 A  237  LYS VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE          
SEQRES  19 A  237  ALA SER ASN                                                  
HET    0IV  A 246      28                                                       
HET     CA  A 701       1                                                       
HETNAM     0IV 2-{(3S)-3-[(BENZYLSULFONYL)AMINO]-2-OXOPIPERIDIN-1-YL}-          
HETNAM   2 0IV  N-{(2S)-1-[(3R)-1-CARBAMIMIDOYLPIPERIDIN-3-YL]-3-               
HETNAM   3 0IV  OXOPROPAN-2-YL}ACETAMIDE                                        
HETNAM      CA CALCIUM ION                                                      
HETSYN     0IV CVS1694                                                          
FORMUL   2  0IV    C23 H34 N6 O5 S                                              
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  HOH   *157(H2 O)                                                    
HELIX    1   1 ALA A   56  CYS A   58  5                                   3    
HELIX    2   2 VAL A  231  ASN A  233  5                                   3    
HELIX    3   3 VAL A  235  ALA A  243  1                                   9    
SHEET    1   A 7 GLN A  81  SER A  84  0                                        
SHEET    2   A 7 GLN A  64  LEU A  67 -1  N  LEU A  67   O  GLN A  81           
SHEET    3   A 7 GLN A  30  ASN A  34 -1  N  ASN A  34   O  GLN A  64           
SHEET    4   A 7 HIS A  40  ASN A  48 -1  N  GLY A  44   O  VAL A  31           
SHEET    5   A 7 TRP A  51  SER A  54 -1  N  VAL A  53   O  SER A  45           
SHEET    6   A 7 MET A 104  LEU A 108 -1  N  ILE A 106   O  VAL A  52           
SHEET    7   A 7 ALA A  85  VAL A  90 -1  N  ILE A  89   O  LEU A 105           
SHEET    1   B 6 LYS A 156  PRO A 161  0                                        
SHEET    2   B 6 GLN A 135  GLY A 140 -1  N  GLY A 140   O  LYS A 156           
SHEET    3   B 6 PRO A 198  CYS A 201 -1  N  VAL A 200   O  LEU A 137           
SHEET    4   B 6 LYS A 204  TRP A 215 -1  N  GLY A 211   O  VAL A 199           
SHEET    5   B 6 GLY A 226  LYS A 230 -1  N  THR A 229   O  ILE A 212           
SHEET    6   B 6 MET A 180  ALA A 183 -1  N  ALA A 183   O  GLY A 226           
SSBOND   1 CYS A   22    CYS A  157                          1555   1555  2.09  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.08  
SSBOND   3 CYS A  128    CYS A  232                          1555   1555  2.01  
SSBOND   4 CYS A  136    CYS A  201                          1555   1555  2.00  
SSBOND   5 CYS A  168    CYS A  182                          1555   1555  2.04  
SSBOND   6 CYS A  191    CYS A  220                          1555   1555  2.07  
LINK         OE1 GLU A  70                CA    CA A 701     1555   1555  2.19  
LINK         O   ASN A  72                CA    CA A 701     1555   1555  2.44  
LINK         O   VAL A  75                CA    CA A 701     1555   1555  2.29  
LINK         OE2 GLU A  80                CA    CA A 701     1555   1555  2.63  
LINK         O   HOH A 409                CA    CA A 701     1555   1555  2.45  
LINK         O   HOH A 574                CA    CA A 701     1555   1555  2.58  
SITE     1 AC1 17 HIS A  57  LEU A  99  ASP A 189  SER A 190                    
SITE     2 AC1 17 CYS A 191  GLY A 193  SER A 195  SER A 214                    
SITE     3 AC1 17 TRP A 215  GLY A 216  SER A 217  GLY A 219                    
SITE     4 AC1 17 GLY A 226  HOH A 412  HOH A 434  HOH A 464                    
SITE     5 AC1 17 HOH A 554                                                     
SITE     1 AC2  6 GLU A  70  ASN A  72  VAL A  75  GLU A  80                    
SITE     2 AC2  6 HOH A 409  HOH A 574                                          
SITE     1 CAT  3 HIS A  57  ASP A 102  SER A 195                               
CRYST1   63.670   63.200   69.220  90.00  90.00  90.00 P 21 21 21    4          
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      0.015706  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015823  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014447        0.00000