PDB Short entry for 1O3F
HEADER    HYDROLASE                               06-MAR-03   1O3F              
TITLE     ELABORATE MANIFOLD OF SHORT HYDROGEN BOND ARRAYS MEDIATING BINDING OF 
TITLE    2 ACTIVE SITE-DIRECTED SERINE PROTEASE INHIBITORS                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-TRYPSIN;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.4.21.4                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 ORGAN: PANCREAS                                                      
KEYWDS    SERINE PROTEASE, SHORT HYDROGEN BOND, INHIBITION MECHANISM, SHIFT OF  
KEYWDS   2 PKA, TRYPSIN, THROMBIN, UROKINASE, FACTOR XA, HYDROLASE              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.A.KATZ,K.ELROD,E.VERNER,R.L.MACKMAN,C.LUONG,W.D.SHRADER,M.SENDZIK,  
AUTHOR   2 J.R.SPENCER,P.A.SPRENGELER,A.KOLESNIKOV,V.W.TAI,H.C.HUI,             
AUTHOR   3 J.G.BREITENBUCHER,D.ALLEN,J.W.JANC                                   
REVDAT   3   04-OCT-17 1O3F    1       REMARK                                   
REVDAT   2   24-FEB-09 1O3F    1       VERSN                                    
REVDAT   1   02-SEP-03 1O3F    0                                                
JRNL        AUTH   B.A.KATZ,K.ELROD,E.VERNER,R.L.MACKMAN,C.LUONG,W.D.SHRADER,   
JRNL        AUTH 2 M.SENDZIK,J.R.SPENCER,P.A.SPRENGELER,A.KOLESNIKOV,V.W.TAI,   
JRNL        AUTH 3 H.C.HUI,J.G.BREITENBUCHER,D.ALLEN,J.W.JANC                   
JRNL        TITL   ELABORATE MANIFOLD OF SHORT HYDROGEN BOND ARRAYS MEDIATING   
JRNL        TITL 2 BINDING OF ACTIVE SITE-DIRECTED SERINE PROTEASE INHIBITORS.  
JRNL        REF    J.MOL.BIOL.                   V. 329    93 2003              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12742021                                                     
JRNL        DOI    10.1016/S0022-2836(03)00399-1                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.55 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) : 1.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.600                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 67.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 27558                          
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 SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.213                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2798                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1629                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 27                                      
REMARK   3   SOLVENT ATOMS            : 150                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  RESIDUES SIMULTANEOUSLY REFINED IN TWO OR MORE CONFORMATIONS ARE:   
REMARK   3  VAL53, LEU66, SER86, LYS87, SER113, SER130, LYS159, ASP165, SER166  
REMARK   3  GLN175, SER217, LYS230, SER236, SER244.                             
REMARK   3                                                                      
REMARK   3  HOH383 MAKES SHORT H-BONDS WITH OGSER195 AND O6' OF THE INHIBITOR   
REMARK   3  HOH384 MAKES SHORT H-BONDS WITH OGSER195 AND O6' OF THE INHIBITOR   
REMARK   3                                                                      
REMARK   3  HIS40 AND HIS91 ARE MONOPROTONATED ON THE EPSILON NITROGEN.         
REMARK   3  HIS57 IS DOUBLY PROTONATED.                                         
REMARK   4                                                                      
REMARK   4 1O3F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-MAR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000001755.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-MAY-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 8.10                               
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 RU200                       
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 IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : BIOTEX 1.2                         
REMARK 200  DATA SCALING SOFTWARE          : BIOTEX                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28071                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.550                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 46.760                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.800                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 67.7                               
REMARK 200  DATA REDUNDANCY                : 1.880                              
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.65                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: QUANTA                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM SULFATE SOAK AT TARGET PH      
REMARK 280  (6.08). VAPOR DIFFUSION AT 298 K, PH 8.10                           
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       31.85000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       34.66000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.66500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       34.66000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       31.85000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       31.66500            
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 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 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   HG   SER A   195     O6'  696 A   246              1.29            
REMARK 500   OG   SER A   236     H2   HOH A   292              1.50            
REMARK 500   OD1  ASN A   101     H1   HOH A   548              1.51            
REMARK 500   OH   TYR A    20     H1   HOH A   348              1.53            
REMARK 500   OD1  ASN A   233     H1   HOH A   505              1.53            
REMARK 500   OG   SER A   116     H1   HOH A   539              1.54            
REMARK 500   O    ARG A   117     H1   HOH A   270              1.54            
REMARK 500   O    TYR A   184A    H1   HOH A   650              1.54            
REMARK 500   O    THR A   144     H2   HOH A   391              1.55            
REMARK 500   O    GLY A   203     H1   HOH A   351              1.55            
REMARK 500   O    ALA A   129     H1   HOH A   269              1.57            
REMARK 500   O    SER A    61     H1   HOH A   323              1.57            
REMARK 500   O    HOH A   381     H1   HOH A   560              1.58            
REMARK 500   OG   SER A    84     H1   HOH A   312              1.59            
REMARK 500   OG   SER A   195     HN3  696 A   246              1.59            
REMARK 500   O    GLY A    18     H1   HOH A   291              1.60            
REMARK 500   O    SER A   146     H2   HOH A   369              1.60            
REMARK 500   OD1  ASN A    25     H2   HOH A   272              1.60            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    ILE A    73     H2   HOH A   750     4556     1.59            
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    HIS A  40   NE2   HIS A  40   CD2    -0.074                       
REMARK 500    HIS A  91   NE2   HIS A  91   CD2    -0.082                       
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    TRP A  51   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500    TRP A  51   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.6 DEGREES          
REMARK 500    TRP A  51   NE1 -  CE2 -  CZ2 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    TRP A  51   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ARG A 117   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    TRP A 141   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    TRP A 141   CD1 -  NE1 -  CE2 ANGL. DEV. =   7.7 DEGREES          
REMARK 500    TRP A 215   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    TRP A 215   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500    TRP A 215   NE1 -  CE2 -  CZ2 ANGL. DEV. =   7.8 DEGREES          
REMARK 500    TRP A 215   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    TRP A 237   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    TRP A 237   CD1 -  NE1 -  CE2 ANGL. DEV. =   9.0 DEGREES          
REMARK 500    TRP A 237   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500    TRP A 237   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.0 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      -79.54   -135.29                                   
REMARK 500    ASN A  79       -3.55     87.76                                   
REMARK 500    ASN A 115     -155.41   -160.11                                   
REMARK 500    ASN A 223       17.64     55.37                                   
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        0.08    SIDE CHAIN                              
REMARK 500    ARG A 117         0.19    SIDE CHAIN                              
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   OE2                                                    
REMARK 620 2 ASN A  72   O    91.9                                              
REMARK 620 3 GLU A  80   OE2  90.9 162.8                                        
REMARK 620 4 HOH A 560   O    82.5  89.5  74.1                                  
REMARK 620 5 VAL A  75   O   169.9  91.8  88.2 106.9                            
REMARK 620 6 HOH A 248   O    81.5 104.0  93.2 159.3  88.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
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 CL A 260                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 696 A 246                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1C5R   RELATED DB: PDB                                   
REMARK 900 BOVINE TRYPSIN COMPLEX WITH DIFFERENT INHIBITOR                      
DBREF  1O3F A   16   245  UNP    P00760   TRY1_BOVIN      21    243             
SEQRES   1 A  223  ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR 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 SER GLN TRP VAL VAL SER ALA ALA          
SEQRES   4 A  223  HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU          
SEQRES   5 A  223  ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE          
SEQRES   6 A  223  SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER          
SEQRES   7 A  223  ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS          
SEQRES   8 A  223  SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER          
SEQRES   9 A  223  LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU          
SEQRES  10 A  223  ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER          
SEQRES  11 A  223  TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU          
SEQRES  12 A  223  SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE          
SEQRES  13 A  223  THR SER ASN MET PHE CYS ALA GLY TYR 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 SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER          
SEQRES  16 A  223  GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS          
SEQRES  17 A  223  VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA          
SEQRES  18 A  223  SER ASN                                                      
HET     CA  A 247       1                                                       
HET     CL  A 260       1                                                       
HET    696  A 246      41                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM      CL CHLORIDE ION                                                     
HETNAM     696 3-{5-[AMINO(IMINIO)METHYL]-1H-INDOL-2-YL}-1,1'-                  
HETNAM   2 696  BIPHENYL-2-OLATE                                                
HETSYN     696 CRA_8696                                                         
FORMUL   2   CA    CA 2+                                                        
FORMUL   3   CL    CL 1-                                                        
FORMUL   4  696    C21 H17 N3 O                                                 
FORMUL   5  HOH   *150(H2 O)                                                    
HELIX    1   1 ALA A   55  TYR A   59  5                                   5    
HELIX    2   2 SER A  164  TYR A  172  1                                   9    
HELIX    3   3 TYR A  234  SER A  244  1                                  11    
SHEET    1   A 7 TYR A  20  THR A  21  0                                        
SHEET    2   A 7 LYS A 156  PRO A 161 -1  O  CYS A 157   N  TYR A  20           
SHEET    3   A 7 GLN A 135  GLY A 140 -1  N  ILE A 138   O  LEU A 158           
SHEET    4   A 7 PRO A 198  CYS A 201 -1  O  VAL A 200   N  LEU A 137           
SHEET    5   A 7 LYS A 204  TRP A 215 -1  O  LYS A 204   N  CYS A 201           
SHEET    6   A 7 GLY A 226  LYS A 230 -1  O  VAL A 227   N  TRP A 215           
SHEET    7   A 7 MET A 180  ALA A 183 -1  N  PHE A 181   O  TYR A 228           
SHEET    1   B 7 GLN A  30  ASN A  34  0                                        
SHEET    2   B 7 HIS A  40  LEU A  46 -1  O  CYS A  42   N  LEU A  33           
SHEET    3   B 7 TRP A  51  SER A  54 -1  O  VAL A  53   N  SER A  45           
SHEET    4   B 7 MET A 104  LEU A 108 -1  O  ILE A 106   N  VAL A  52           
SHEET    5   B 7 GLN A  81  VAL A  90 -1  N  ILE A  89   O  LEU A 105           
SHEET    6   B 7 GLN A  64  LEU A  66 -1  N  VAL A  65   O  ILE A  83           
SHEET    7   B 7 GLN A  30  ASN A  34 -1  N  ASN A  34   O  GLN A  64           
SSBOND   1 CYS A   22    CYS A  157                          1555   1555  2.03  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.02  
SSBOND   3 CYS A  128    CYS A  232                          1555   1555  2.02  
SSBOND   4 CYS A  136    CYS A  201                          1555   1555  2.02  
SSBOND   5 CYS A  168    CYS A  182                          1555   1555  2.02  
SSBOND   6 CYS A  191    CYS A  220                          1555   1555  2.01  
LINK        CA    CA A 247                 OE2 GLU A  70     1555   1555  2.34  
LINK        CA    CA A 247                 O   ASN A  72     1555   1555  2.19  
LINK        CA    CA A 247                 OE2 GLU A  80     1555   1555  2.47  
LINK        CA    CA A 247                 O   HOH A 560     1555   1555  2.31  
LINK        CA    CA A 247                 O   VAL A  75     1555   1555  2.14  
LINK        CA    CA A 247                 O   HOH A 248     1555   1555  2.29  
SITE     1 AC1  6 GLU A  70  ASN A  72  VAL A  75  GLU A  80                    
SITE     2 AC1  6 HOH A 248  HOH A 560                                          
SITE     1 AC2  1 GLY A 174                                                     
SITE     1 AC3 13 CYS A  42  HIS A  57  ASP A 189  SER A 190                    
SITE     2 AC3 13 GLN A 192  SER A 195  VAL A 213  GLY A 216                    
SITE     3 AC3 13 GLY A 219  GLY A 226  HOH A 383  HOH A 384                    
SITE     4 AC3 13 HOH A 685                                                     
CRYST1   63.700   63.330   69.320  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      0.015699  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015790  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014426        0.00000