PDB Short entry for 1QGF
HEADER    HYDROLASE                               27-APR-99   1QGF              
TITLE     PORCINE PANCREATIC ELASTASE COMPLEXED WITH (3R, 4S)N-PARA-            
TITLE    2 TOLUENESULPHONYL-3-ETHYL-4-(CARBOXYLIC ACID)PYRROLIDIN-2-ONE         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ELASTASE;                                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PPE (PORCINE PANCREATIC ELASTASE);                          
COMPND   5 EC: 3.4.21.36                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SUS SCROFA;                                     
SOURCE   3 ORGANISM_COMMON: PIG;                                                
SOURCE   4 ORGANISM_TAXID: 9823;                                                
SOURCE   5 ORGAN: PANCREAS                                                      
KEYWDS    SERINE PROTEASE, HYDROLASE, SERINE PROTEINASE                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.C.WILMOUTH,S.KASSAMALLY,N.J.WESTWOOD,R.J.SHEPPARD,T.D.W.CLARIDGE,   
AUTHOR   2 P.A.WRIGHT,G.J.PRITCHARD,C.J.SCHOFIELD                               
REVDAT   5   16-AUG-23 1QGF    1       REMARK                                   
REVDAT   4   27-NOV-19 1QGF    1       JRNL   REMARK LINK                       
REVDAT   3   24-FEB-09 1QGF    1       VERSN                                    
REVDAT   2   06-DEC-00 1QGF    1       HETNAM                                   
REVDAT   1   29-DEC-99 1QGF    0                                                
JRNL        AUTH   R.C.WILMOUTH,S.KASSAMALLY,N.J.WESTWOOD,R.J.SHEPPARD,         
JRNL        AUTH 2 T.D.CLARIDGE,R.T.APLIN,P.A.WRIGHT,G.J.PRITCHARD,             
JRNL        AUTH 3 C.J.SCHOFIELD                                                
JRNL        TITL   MECHANISTIC INSIGHTS INTO THE INHIBITION OF SERINE PROTEASES 
JRNL        TITL 2 BY MONOCYCLIC LACTAMS.                                       
JRNL        REF    BIOCHEMISTRY                  V.  38  7989 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10387042                                                     
JRNL        DOI    10.1021/BI990098Y                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   R.C.WILMOUTH,N.J.WESTWOOD,K.ANDERSON,W.BROWNLEE,             
REMARK   1  AUTH 2 T.D.CLARIDGE,I.J.CLIFTON,G.J.PRITCHARD,R.T.APLIN,            
REMARK   1  AUTH 3 C.J.SCHOFIELD                                                
REMARK   1  TITL   INHIBITION OF ELASTASE BY N-SULFONYLARYL BETA-LACTAMS:       
REMARK   1  TITL 2 ANATOMY OF A STABLE ACYL-ENZYME COMPLEX.                     
REMARK   1  REF    BIOCHEMISTRY                  V.  37 17506 1998              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  PMID   9860865                                                      
REMARK   1  DOI    10.1021/BI9816249                                            
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   R.C.WILMOUTH,I.J.CLIFTON,C.V.ROBINSON,P.L.ROACH,R.T.APLIN,   
REMARK   1  AUTH 2 N.J.WESTWOOD,J.HAJDU,C.J.SCHOFIELD                           
REMARK   1  TITL   STRUCTURE OF A SPECIFIC ACYL-ENZYME COMPLEX FORMED BETWEEN   
REMARK   1  TITL 2 BETA-CASOMORPHIN-7 AND PORCINE PANCREATIC ELASTASE.          
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   4   456 1997              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  PMID   9187653                                                      
REMARK   1  DOI    10.1038/NSB0697-456                                          
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   E.MEYER,G.COLE,R.RADHAKRISHNAN,O.EPP                         
REMARK   1  TITL   STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT 1.65 A    
REMARK   1  TITL 2 RESOLUTIONS.                                                 
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.B      V.T 1)    26 1988              
REMARK   1  REFN                   ISSN 0108-7681                               
REMARK   1  PMID   3271103                                                      
REMARK   1  DOI    10.1107/S0108768187007559                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.80                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 23759                          
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 + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.210                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 941                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1816                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 27                                      
REMARK   3   SOLVENT ATOMS            : 159                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 13.94                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.11                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.06600                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.32100                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : -1.08000                                             
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.090         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.110         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.060         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.880         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.015 ; 0.030               
REMARK   3    ANGLE DISTANCE                  (A) : 0.024 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.025 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.024 ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.085 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.169 ; 0.300               
REMARK   3    MULTIPLE TORSION                (A) : 0.234 ; 0.300               
REMARK   3    H-BOND (X...Y)                  (A) : 0.108 ; 0.300               
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : 0.000 ; 15.000              
REMARK   3    PLANAR                    (DEGREES) : 4.100 ; 15.000              
REMARK   3    STAGGERED                 (DEGREES) : 12.500; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 22.100; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.747 ; 2.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.303 ; 3.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.196 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.298 ; 3.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: SHELX,CNS,XPLOR ALSO USED                 
REMARK   4                                                                      
REMARK   4 1QGF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-APR-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000950.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : MAR-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 100.00                             
REMARK 200  PH                             : 5.00                               
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                  : NICKEL FILTER                      
REMARK 200  OPTICS                         : YALE-TYPE MIRRORS                  
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23759                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.760                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY                : 3.880                              
REMARK 200  R MERGE                    (I) : 0.03600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.8200                            
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) : 1.74                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.37                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.11100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 12.12                              
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: PDB ENTRY 3EST                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 30.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25MM SODIUM SULPHATE, 25MM SODIUM        
REMARK 280  ACETATE, PH 5.0; THEN SOAKED IN 25 MM SODIUM SULPHATE, 50MM         
REMARK 280  SODIUM ACETATE, 20 MG/ML GAMMA-LACTAM, 10% (V/V) DMSO, PH 5.0       
REMARK 280  FOR 24 HOURS, PH 5.00                                               
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       25.11000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       37.24000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.81500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       37.24000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.11000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.81500            
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 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     ARG A  61    CG   CD   NE   CZ   NH1  NH2                        
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     O    TPX A   280              2.08            
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    ARG A 107   CD  -  NE  -  CZ  ANGL. DEV. =  12.0 DEGREES          
REMARK 500    ARG A 107   NE  -  CZ  -  NH1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    ARG A 107   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG A 223   NE  -  CZ  -  NH1 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    ARG A 223   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.5 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    HIS A  71      -51.58   -131.20                                   
REMARK 500    ASN A 115     -166.05   -164.34                                   
REMARK 500    TYR A 171     -114.31    -96.84                                   
REMARK 500    SER A 214      -51.70   -121.05                                   
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 196         10.47                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 TPX 280: COVALENTLY ATTACHED TO SER-195 VIA AN ESTER                 
REMARK 600 LINKAGE BETWEEN OG OF SER-195 AND C OF THE GAMMA-LACTAM;             
REMARK 600 THE GAMMA-LACTAM IS RING-OPENED IN THE PROCESS.                      
REMARK 600 THE TOLUENESULPHONYL RING WAS POORLY DEFINED SO THE                  
REMARK 600 POSITION OF THE TOSYL RING WAS MODELLED INTO THE STRUCTURE           
REMARK 600 USING THE LOCATION OXYGEN ATOMS OF THE SULPHONAMIDE AND              
REMARK 600 THE ELECTRON DENSITY VISIBLE FOR THE CARBON ATOM IN THE              
REMARK 600 PHENYL RING NEAREST THE SULPHUR ATOM AS A GUIDE BUT THE              
REMARK 600 OCCUPANCY OF THE ATOMS WAS SET TO ZERO.                              
REMARK 615                                                                      
REMARK 615 ZERO OCCUPANCY ATOM                                                  
REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 615   M RES C  SSEQI                                                     
REMARK 615     TPX A   280                                                      
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 260  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  70   OE1                                                    
REMARK 620 2 GLU A  70   OE2  47.8                                              
REMARK 620 3 ASN A  72   O    87.3  86.6                                        
REMARK 620 4 GLN A  75   O   160.4 146.5  81.8                                  
REMARK 620 5 ASN A  77   OD1  72.0 119.7  87.1  91.1                            
REMARK 620 6 GLU A  80   OE2  94.7  98.6 174.4  94.7  88.5                      
REMARK 620 7 HOH A 340   O   123.7  76.2  95.4  73.8 164.1  87.8                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CAT                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE                                     
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 260                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 270                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TPX A 280                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEQUENCE USED FOR THIS STRUCTURE IS THE SAME                     
REMARK 999 AS THAT OF NATIVE PORCINE PANCREATIC ELASTASE (3EST).                
DBREF  1QGF A   16   245  UNP    P00772   ELA1_PIG        27    266             
SEQADV 1QGF ASN A   77  UNP  P00772    ASP    92 SEE REMARK 999                 
SEQRES   1 A  240  VAL VAL GLY GLY THR GLU ALA GLN ARG ASN SER TRP PRO          
SEQRES   2 A  240  SER GLN ILE SER LEU GLN TYR ARG SER GLY SER SER TRP          
SEQRES   3 A  240  ALA HIS THR CYS GLY GLY THR LEU ILE ARG GLN ASN TRP          
SEQRES   4 A  240  VAL MET THR ALA ALA HIS CYS VAL ASP ARG GLU LEU THR          
SEQRES   5 A  240  PHE ARG VAL VAL VAL GLY GLU HIS ASN LEU ASN GLN ASN          
SEQRES   6 A  240  ASN GLY THR GLU GLN TYR VAL GLY VAL GLN LYS ILE VAL          
SEQRES   7 A  240  VAL HIS PRO TYR TRP ASN THR ASP ASP VAL ALA ALA GLY          
SEQRES   8 A  240  TYR ASP ILE ALA LEU LEU ARG LEU ALA GLN SER VAL THR          
SEQRES   9 A  240  LEU ASN SER TYR VAL GLN LEU GLY VAL LEU PRO ARG ALA          
SEQRES  10 A  240  GLY THR ILE LEU ALA ASN ASN SER PRO CYS TYR ILE THR          
SEQRES  11 A  240  GLY TRP GLY LEU THR ARG THR ASN GLY GLN LEU ALA GLN          
SEQRES  12 A  240  THR LEU GLN GLN ALA TYR LEU PRO THR VAL ASP TYR ALA          
SEQRES  13 A  240  ILE CYS SER SER SER SER TYR TRP GLY SER THR VAL LYS          
SEQRES  14 A  240  ASN SER MET VAL CYS ALA GLY GLY ASP GLY VAL ARG SER          
SEQRES  15 A  240  GLY CYS GLN GLY ASP SER GLY GLY PRO LEU HIS CYS LEU          
SEQRES  16 A  240  VAL ASN GLY GLN TYR ALA VAL HIS GLY VAL THR SER PHE          
SEQRES  17 A  240  VAL SER ARG LEU GLY CYS ASN VAL THR ARG LYS PRO THR          
SEQRES  18 A  240  VAL PHE THR ARG VAL SER ALA TYR ILE SER TRP ILE ASN          
SEQRES  19 A  240  ASN VAL ILE ALA SER ASN                                      
HET     CA  A 260       1                                                       
HET    SO4  A 270       5                                                       
HET    TPX  A 280      21                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     TPX (2S,3S)-3-FORMYL-2-({[(4-METHYLPHENYL)                           
HETNAM   2 TPX  SULFONYL]AMINO}METHYL)PENTANOIC ACID                            
FORMUL   2   CA    CA 2+                                                        
FORMUL   3  SO4    O4 S 2-                                                      
FORMUL   4  TPX    C14 H19 N O5 S                                               
FORMUL   5  HOH   *159(H2 O)                                                    
HELIX    1   1 ALA A   56  VAL A   59  5                                   4    
HELIX    2   3 TYR A  165  CYS A  168  1                                   4    
HELIX    3   4 GLY A  173  THR A  175  5                                   3    
HELIX    4   5 VAL A  231  ALA A  233  5                                   3    
HELIX    5   6 ILE A  235  ALA A  243  1                                   9    
SHEET    1   A 7 GLN A  81  GLY A  84  0                                        
SHEET    2   A 7 PHE A  65  VAL A  68 -1  N  VAL A  68   O  GLN A  81           
SHEET    3   A 7 GLN A  30  SER A  36A-1  N  GLN A  34   O  ARG A  65A          
SHEET    4   A 7 SER A  37  ARG A  48 -1  N  GLY A  44   O  ILE A  31           
SHEET    5   A 7 TRP A  51  THR A  54 -1  N  MET A  53   O  THR A  45           
SHEET    6   A 7 ALA A 104  LEU A 108 -1  N  LEU A 106   O  VAL A  52           
SHEET    7   A 7 VAL A  85  VAL A  90 -1  N  VAL A  89   O  LEU A 114           
SHEET    1   B 6 GLN A 156  TYR A 159  0                                        
SHEET    2   B 6 CYS A 136  GLY A 140 -1  N  GLY A 140   O  GLN A 156           
SHEET    3   B 6 PRO A 198  VAL A 203 -1  N  HIS A 200   O  TYR A 137           
SHEET    4   B 6 GLN A 206  PHE A 215 -1  N  GLY A 211   O  LEU A 199           
SHEET    5   B 6 THR A 226  ARG A 230 -1  N  THR A 229   O  VAL A 212           
SHEET    6   B 6 MET A 180  ALA A 183 -1  N  ALA A 183   O  THR A 226           
SSBOND   1 CYS A   42    CYS A   58                          1555   1555  2.05  
SSBOND   2 CYS A  136    CYS A  201                          1555   1555  2.04  
SSBOND   3 CYS A  168    CYS A  182                          1555   1555  2.06  
SSBOND   4 CYS A  191    CYS A  220                          1555   1555  2.02  
LINK         OG  SER A 195                 C   TPX A 280     1555   1555  1.20  
LINK         OE1 GLU A  70                CA    CA A 260     1555   1555  2.26  
LINK         OE2 GLU A  70                CA    CA A 260     1555   1555  2.83  
LINK         O   ASN A  72                CA    CA A 260     1555   1555  2.32  
LINK         O   GLN A  75                CA    CA A 260     1555   1555  2.35  
LINK         OD1 ASN A  77                CA    CA A 260     1555   1555  2.32  
LINK         OE2 GLU A  80                CA    CA A 260     1555   1555  2.35  
LINK        CA    CA A 260                 O   HOH A 340     1555   1555  2.44  
SITE     1 CAT  3 HIS A  57  ASP A 102  SER A 195                               
SITE     1 AC1  6 GLU A  70  ASN A  72  GLN A  75  ASN A  77                    
SITE     2 AC1  6 GLU A  80  HOH A 340                                          
SITE     1 AC2  8 GLY A 127  ARG A 145  ARG A 230  SER A 232                    
SITE     2 AC2  8 ALA A 233  HOH A 354  HOH A 355  HOH A 396                    
SITE     1 AC3 10 CYS A  42  CYS A 191  GLN A 192  GLY A 193                    
SITE     2 AC3 10 ASP A 194  SER A 195  SER A 214  PHE A 215                    
SITE     3 AC3 10 VAL A 216  HOH A 391                                          
CRYST1   50.220   57.630   74.480  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      0.019912  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017352  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013426        0.00000