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Database: PDB
Entry: 1QNJ
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Original site: 1QNJ 
HEADER    HYDROLASE (SERINE PROTEASE)             15-OCT-99   1QNJ              
TITLE     THE STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT ATOMIC         
TITLE    2 RESOLUTION (1.1 A)                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ELASTASE;                                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PPE;                                                        
COMPND   5 EC: 3.4.21.36;                                                       
COMPND   6 OTHER_DETAILS: PORCINE PANCREATIC ELASTASE                           
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    HYDROLASE (SERINE PROTEASE), HYDROLASE(SERINE PROTEASE), ATOMIC       
KEYWDS   2 RESOLUTION                                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.WURTELE,M.HAHN,K.HILPERT,W.HOHNE                                    
REVDAT   7   13-DEC-23 1QNJ    1       REMARK LINK                              
REVDAT   6   24-JUL-19 1QNJ    1       REMARK                                   
REVDAT   5   22-MAY-19 1QNJ    1       REMARK                                   
REVDAT   4   08-MAY-19 1QNJ    1       REMARK                                   
REVDAT   3   24-FEB-09 1QNJ    1       VERSN                                    
REVDAT   2   25-APR-00 1QNJ    1       PH                                       
REVDAT   1   31-MAR-00 1QNJ    0                                                
JRNL        AUTH   M.WURTELE,M.HAHN,K.HILPERT,W.HOHNE                           
JRNL        TITL   ATOMIC RESOLUTION STRUCTURE OF NATIVE PORCINE PANCREATIC     
JRNL        TITL 2 ELASTASE AT 1.1 A                                            
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  56   520 2000              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   10739939                                                     
JRNL        DOI    10.1107/S0907444900000299                                    
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.W.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   E.MEYER,G.COLE,R.RADHAKRISHNAN,O.EPP                         
REMARK   1  TITL   STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT 1.65      
REMARK   1  TITL 2 ANGSTROMS RESOLUTION                                         
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.B      V.  44    26 1988              
REMARK   1  REFN                   ISSN 0108-7681                               
REMARK   1  PMID   3271103                                                      
REMARK   1  DOI    10.1107/S0108768187007559                                    
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   L.SAWYER,D.M.SHOTTON,J.W.CAMPBELL,P.L.WENDELL,H.MUIRHEAD,    
REMARK   1  AUTH 2 H.C.WATSON,R.DIAMOND,R.C.LADNER                              
REMARK   1  TITL   THE ATOMIC STRUCTURE OF CRYSTALLINE PORCINE PANCREATIC       
REMARK   1  TITL 2 ELASTASE AT 2.5 ANGSTROMS RESOLUTION. COMPARISONS WITH THE   
REMARK   1  TITL 3 STRUCTURE OF ALPHA- CHYMOTRYPSIN                             
REMARK   1  REF    J.MOL.BIOL.                   V. 118   137 1978              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   628010                                                       
REMARK   1  DOI    10.1016/0022-2836(78)90412-6                                 
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   H.C.WATSON,D.M.SHOTTON,J.M.COX,H.MUIRHEAD                    
REMARK   1  TITL   THREE-DIMENSIONAL FOURIER SYNTHESIS OF TOSYL-ELASTASE AT 3.5 
REMARK   1  TITL 2 ANGSTROMS RESOLUTION                                         
REMARK   1  REF    NATURE                        V. 225   806 1970              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   1  PMID   5415109                                                      
REMARK   1  DOI    10.1038/225806A0                                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.60                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 88.2                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R-VALUE                   
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.127                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.165                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.300                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 4088                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 77673                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.109                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.148                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.300                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 3204                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 60175                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 1822                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 11                                            
REMARK   3   SOLVENT ATOMS      : 364                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 2177.0                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 1762.0                  
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 23                      
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 19897                   
REMARK   3   NUMBER OF RESTRAINTS                     : 24006                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.016                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.033                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.029                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.079                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.094                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.088                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.005                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.026                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.103                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER                                    
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER                      
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ANISOTROPIC SCALING APPLIED BY THE        
REMARK   3  METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28 (1995)53-56        
REMARK   4                                                                      
REMARK   4 1QNJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 15-OCT-99.                  
REMARK 100 THE DEPOSITION ID IS D_1290004208.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAR-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 8.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9116                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
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   : 81820                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.600                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.7                               
REMARK 200  DATA REDUNDANCY                : 13.10                              
REMARK 200  R MERGE                    (I) : 0.04500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.14                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 60.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.020                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: SHELXL-97                                             
REMARK 200 STARTING MODEL: 1BTU                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 32.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.25 M NA2SO4 18 DEGREES CELSIUS, PH     
REMARK 280  8.00, TEMPERATURE 291K                                              
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       24.95500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       37.13500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.91000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       37.13500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       24.95500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.91000            
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: PQS                                                   
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 RESIDUE NUMBERING FOLLOWS THE NUMBERING OF BOVINE                    
REMARK 400 CHYMOTRYPSINOGEN A.                                                  
REMARK 400                                                                      
REMARK 400 THE RESIDUE ASN-77 OF REFERENCE STRUCTURES WAS CHANGED TO            
REMARK 400 ASP-77 IN ORDER TO MATCH WITH DNA SEQUENCE ENTRIES.                  
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    ASN A 245   C     ASN A 245   OXT     0.392                       
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  24   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    HIS A  40   CG  -  ND1 -  CE1 ANGL. DEV. =  12.7 DEGREES          
REMARK 500    HIS A  40   ND1 -  CE1 -  NE2 ANGL. DEV. =  -7.6 DEGREES          
REMARK 500    HIS A  91   CG  -  ND1 -  CE1 ANGL. DEV. =   8.1 DEGREES          
REMARK 500    ASP A  97   CB  -  CG  -  OD1 ANGL. DEV. =   6.7 DEGREES          
REMARK 500    ASP A  97   CB  -  CG  -  OD2 ANGL. DEV. =  -5.7 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 125   CD  -  NE  -  CZ  ANGL. DEV. =  22.8 DEGREES          
REMARK 500    ARG A 188A  CG  -  CD  -  NE  ANGL. DEV. =  34.1 DEGREES          
REMARK 500    ARG A 217A  CD  -  NE  -  CZ  ANGL. DEV. =  13.8 DEGREES          
REMARK 500    ARG A 217A  NE  -  CZ  -  NH1 ANGL. DEV. =   9.5 DEGREES          
REMARK 500    ARG A 217A  NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    ARG A 223   CD  -  NE  -  CZ  ANGL. DEV. =  10.3 DEGREES          
REMARK 500    ARG A 223   NH1 -  CZ  -  NH2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500    ARG A 223   NE  -  CZ  -  NH1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    ARG A 223   NE  -  CZ  -  NH2 ANGL. DEV. =   7.6 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      -54.30   -126.37                                   
REMARK 500    TYR A 171     -112.87    -94.41                                   
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                              NA A 280  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  70   OE1                                                    
REMARK 620 2 ASN A  72   O    83.6                                              
REMARK 620 3 GLN A  75   O   165.5  83.0                                        
REMARK 620 4 ASP A  77   OD2  76.9  89.9  97.5                                  
REMARK 620 5 GLU A  80   OE2  99.2 176.5  94.0  88.7                            
REMARK 620 6 HOH A2108   O    98.5  93.5  87.8 174.0  88.2                      
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 NA A 280                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 290                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 295                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EST   RELATED DB: PDB                                   
REMARK 900 TOSYL-ELASTASE                                                       
REMARK 900 RELATED ID: 2EST   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEX WITH TFAP                                           
REMARK 900 RELATED ID: 3EST   RELATED DB: PDB                                   
REMARK 900 NATIVE ELASTASE                                                      
REMARK 900 RELATED ID: 4EST   RELATED DB: PDB                                   
REMARK 900 PORCINE PANCREATIC ELASTASE COMPLEX WITH ACE-*ALA-*PRO-*VAL-*        
REMARK 900 DIFLUORO-*N-*PHENYLETHYLACETAMIDE                                    
REMARK 900 RELATED ID: 5EST   RELATED DB: PDB                                   
REMARK 900 PORCINE PANCREATIC ELASTASE COMPLEX WITH CARBOBENZOXY-*ALANYL-*      
REMARK 900 ISOLEUCYLBORONIC ACID                                                
REMARK 900 RELATED ID: 6EST   RELATED DB: PDB                                   
REMARK 900 ELASTASE CRYSTALLIZED IN 10% DMF                                     
REMARK 900 RELATED ID: 7EST   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEX WITH TFAP                                           
REMARK 900 RELATED ID: 8EST   RELATED DB: PDB                                   
REMARK 900 PORCINE PANCREATIC ELASTASE COMPLEX WITH GUANIDINIUM ISOCOUMARIN     
REMARK 900 RELATED ID: 9EST   RELATED DB: PDB                                   
REMARK 900 PORCINE PANCREATIC ELASTASE COMPLEX WITH GUANIDINIUM ISOCOUMARIN     
REMARK 900 RELATED ID: 1INC   RELATED DB: PDB                                   
REMARK 900 PORCINE PANCREATIC ELASTASE COMPLEX WITH BENZOXAZINONE INHIBITOR     
REMARK 900 RELATED ID: 1JIM   RELATED DB: PDB                                   
REMARK 900 PORCINE PANCREATIC ELASTASE COMPLEX WITH THE HETEROCYCLIC INHIBITOR  
REMARK 900 3-METHOXY-4-CHLORO-7-AMINOISOCOUMARIN                                
REMARK 900 RELATED ID: 1ELA   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH TRIFLUOROACETYL-L- LYSYL-L-PROLYL-P-         
REMARK 900 ISOPROPYLANILIDE                                                     
REMARK 900 RELATED ID: 1ELB   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH TRIFLUOROACETYL-L- LYSYL-L-LEUCYL-P-         
REMARK 900 ISOPROPYLANILIDE                                                     
REMARK 900 RELATED ID: 1ELC   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH TRIFLUOROACETYL-L- PHENYLALANYL-P-           
REMARK 900 ISOPROPYLANILIDE                                                     
REMARK 900 RELATED ID: 1ELD   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH TRIFLUOROACETYL-L- PHENYLALANYL-L-ALANYL-P-  
REMARK 900 TRIFLUOROMETHYLANINIDE                                               
REMARK 900 RELATED ID: 1ELE   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH TRIFLUOROACETYL-L- VALYL-L-ALANYL-P-         
REMARK 900 TRIFLUOROMETHYLANINIDE                                               
REMARK 900 RELATED ID: 1ELF   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH N-(TERT-BUTOXYCARBONYL- ALANYL-ALANYL)-O-(P- 
REMARK 900 NITROBENZOYL) HYDROXYLAMINE                                          
REMARK 900 RELATED ID: 1ELG   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH N-(TERT-BUTOXYCARBONYL- ALANYL-ALANYL)-O-(P- 
REMARK 900 NITROBENZOYL) HYDROXYLAMINE AT PH5                                   
REMARK 900 RELATED ID: 1ESA   RELATED DB: PDB                                   
REMARK 900 ELASTASE LOW TEMPERATURE FORM (-45 C)                                
REMARK 900 RELATED ID: 1ESB   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH N-CARBOBENZOXY-L- ALANYL-P-NITROPHENOL ESTER 
REMARK 900 RELATED ID: 1EAI   RELATED DB: PDB                                   
REMARK 900 COMPLEX OF ASCARIS CHYMOTRPSIN/ELASTASE INHIBITOR WITH PORCINE       
REMARK 900 ELASTASE                                                             
REMARK 900 RELATED ID: 1EAS   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH 3-[[(METHYLAMINO) SULFONYL]AMINO]-2-OXO-6-   
REMARK 900 PHENYL-N-[3,3,3- TRIFLUORO-1-(1-METHYLETHYL)-2-OXOPROPYL]-1(2H)-     
REMARK 900 PYRIDINEACETAMIDE                                                    
REMARK 900 RELATED ID: 1EAT   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH 2-[5-METHANESULFONYLAMINO-2-(4-AMINOPHENYL)- 
REMARK 900 6- OXO-1,6-DIHYDRO-1-PYRIMIDINYL]-N-(3,3,3- TRIFLUORO-1-ISOPROPYL-2- 
REMARK 900 OXOPROPYL)ACETAMIDE                                                  
REMARK 900 RELATED ID: 1EAU   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH 2-[5-AMINO-6-OXO-2-(2- THIENYL)-1,6-         
REMARK 900 DIHYDROPYRIMIDIN-1-YL)-N-[3,3- DIFLUORO-1-ISOPROPYL-2-OXO-3-(N-(2-   
REMARK 900 MORPHOLINOETHYL)CARBAMOYL]PROPYL]ACETAMIDE                           
REMARK 900 RELATED ID: 1BMA   RELATED DB: PDB                                   
REMARK 900 BENZYL METHYL AMINIMIDE INHIBITOR COMPLEXED TO PORCINE PANCREATIC    
REMARK 900 ELASTASE                                                             
REMARK 900 RELATED ID: 1LVY   RELATED DB: PDB                                   
REMARK 900 PORCINE ELASTASE                                                     
REMARK 900 RELATED ID: 1NES   RELATED DB: PDB                                   
REMARK 900 ELASTASE COMPLEXED WITH ACETYL-ALA-PRO-ALA                           
REMARK 900 RELATED ID: 1B0E   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF PORCINE PANCREATIC ELASTASE MDL 101,146         
REMARK 900 RELATED ID: 1BTU   RELATED DB: PDB                                   
REMARK 900 PORCINE PANCREATIC ELASTASE COMPLEXED WITH (3S,4R)-1-                
REMARK 900 TOLUENESULPHONYL-3-ETHYL-AZETIDIN- 2-ONE-4-CARBOXYLIC ACID           
DBREF  1QNJ A   16   245  UNP    P00772   EL1_PIG         27    266             
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  ASP 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     NA  A 280       1                                                       
HET    SO4  A 290       5                                                       
HET    SO4  A 295       5                                                       
HETNAM      NA SODIUM ION                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2   NA    NA 1+                                                        
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   5  HOH   *364(H2 O)                                                    
HELIX    1   1 ALA A   55  ASP A   60  5                                   6    
HELIX    2   2 ASP A   98  GLY A  100  5                                   5    
HELIX    3   3 ASP A  164  SER A  169  1                                   6    
HELIX    4   4 TRP A  172  VAL A  176  5                                   5    
HELIX    5   5 TYR A  234  ASN A  245  1                                  12    
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 105           
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  2.05  
SSBOND   4 CYS A  191    CYS A  220                          1555   1555  2.04  
LINK         OE1 GLU A  70                NA    NA A 280     1555   1555  2.30  
LINK         O   ASN A  72                NA    NA A 280     1555   1555  2.34  
LINK         O   GLN A  75                NA    NA A 280     1555   1555  2.32  
LINK         OD2 ASP A  77                NA    NA A 280     1555   1555  2.40  
LINK         OE2 GLU A  80                NA    NA A 280     1555   1555  2.30  
LINK        NA    NA A 280                 O  BHOH A2108     1555   1555  2.39  
SITE     1 AC1  6 GLU A  70  ASN A  72  GLN A  75  ASP A  77                    
SITE     2 AC1  6 GLU A  80  HOH A2108                                          
SITE     1 AC2 10 HIS A  57  GLN A 192  GLY A 193  SER A 195                    
SITE     2 AC2 10 HOH A2052  HOH A2359  HOH A2360  HOH A2361                    
SITE     3 AC2 10 HOH A2362  HOH A2363                                          
SITE     1 AC3  8 GLY A 127  ARG A 145  ARG A 230  SER A 232                    
SITE     2 AC3  8 ALA A 233  HOH A2205  HOH A2344  HOH A2364                    
CRYST1   49.910   57.820   74.270  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      0.020036  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017295  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013464        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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