HEADER    HYDROLASE                               23-FEB-99   1CAQ              
TITLE     X-RAY STRUCTURE OF HUMAN STROMELYSIN CATALYTIC DOMAIN COMPLEXES WITH  
TITLE    2 NON-PEPTIDE INHIBITORS: IMPLICATION FOR INHIBITOR SELECTIVITY        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (STROMELYSIN-1);                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC DOMAIN;                                          
COMPND   5 SYNONYM: MATRIX METALLOPROTEINASE-3;                                 
COMPND   6 EC: 3.4.24.17;                                                       
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELL_LINE: FIBROBLAST;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PGEMEX-1                                  
KEYWDS    MATRIX METALLOPROTEINASE, MMP-3, NON-PEPTIDE INHIBITOR, HYDROLASE     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.G.PAVLOVSKY,M.G.WILLIAMS,Q.-Z.YE,D.F.ORTWINE,C.F.PURCHASE II,       
AUTHOR   2 A.D.WHITE,V.DHANARAJ,B.D.ROTH,L.L.JOHNSON,D.HUPE,C.HUMBLET,          
AUTHOR   3 T.L.BLUNDELL                                                         
REVDAT   6   31-JAN-18 1CAQ    1       JRNL                                     
REVDAT   5   24-JAN-18 1CAQ    1       JRNL                                     
REVDAT   4   13-JUL-11 1CAQ    1       VERSN                                    
REVDAT   3   24-FEB-09 1CAQ    1       VERSN                                    
REVDAT   2   01-APR-03 1CAQ    1       JRNL                                     
REVDAT   1   07-JUL-99 1CAQ    0                                                
JRNL        AUTH   A.G.PAVLOVSKY,M.G.WILLIAMS,Q.Z.YE,D.F.ORTWINE,               
JRNL        AUTH 2 C.F.PURCHASE II,A.D.WHITE,V.DHANARAJ,B.D.ROTH,L.L.JOHNSON,   
JRNL        AUTH 3 D.HUPE,C.HUMBLET,T.L.BLUNDELL                                
JRNL        TITL   X-RAY STRUCTURE OF HUMAN STROMELYSIN CATALYTIC DOMAIN        
JRNL        TITL 2 COMPLEXED WITH NONPEPTIDE INHIBITORS: IMPLICATIONS FOR       
JRNL        TITL 3 INHIBITOR SELECTIVITY.                                       
JRNL        REF    PROTEIN SCI.                  V.   8  1455 1999              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   10422833                                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 16178                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.225                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.88                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1577                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2550                       
REMARK   3   BIN FREE R VALUE                    : 0.2610                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 8.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 168                          
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            : 1339                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 46                                      
REMARK   3   SOLVENT ATOMS            : 74                                      
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) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 27.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 2.100                           
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  : PARAM19X.PRO                                   
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPH19X.PRO                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1CAQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-FEB-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000525.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JUL-95                             
REMARK 200  TEMPERATURE           (KELVIN) : 295                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 300 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18177                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.93                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.29300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.79                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.90000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       34.50000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       19.45000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       34.50000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       58.35000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       34.50000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       19.45000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       34.50000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       58.35000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       38.90000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 4370 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15320 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -168.0 KCAL/MOL                       
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 350   BIOMT1   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       77.80000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 S    SO4 A 501  LIES ON A SPECIAL POSITION.                          
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    TYR A 104   CB  -  CG  -  CD2 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    ILE A  89       63.53     35.29                                   
REMARK 500    ARG A  93       60.01   -108.66                                   
REMARK 500    ARG A 149     -132.25     52.45                                   
REMARK 500    HIS A 151       21.46   -141.70                                   
REMARK 500    ASN A 162     -129.26     62.69                                   
REMARK 500    PHE A 210     -144.65    -99.34                                   
REMARK 500    SER A 225     -159.08   -115.90                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A 136         0.07    SIDE CHAIN                              
REMARK 500    ARG A 231         0.12    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 305  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 107   OD2                                                    
REMARK 620 2 ASP A 182   O   163.9                                              
REMARK 620 3 ASP A 182   OD1 102.3  81.8                                        
REMARK 620 4 GLU A 184   O    74.7  89.4 116.4                                  
REMARK 620 5 HOH A 576   O    97.3  89.9 136.3 106.3                            
REMARK 620 6 ASP A 107   OD1  42.0 150.1 113.2 104.9  61.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 304  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 141   O                                                      
REMARK 620 2 GLY A 173   O   176.3                                              
REMARK 620 3 ASN A 175   O    99.8  83.5                                        
REMARK 620 4 ASP A 177   OD1  85.9  95.3  97.9                                  
REMARK 620 5 HOH A 574   O    84.4  94.7  77.7 168.5                            
REMARK 620 6 HOH A 575   O    93.6  82.8 160.4  97.2  89.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 302  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 151   NE2                                                    
REMARK 620 2 ASP A 153   OD2 110.0                                              
REMARK 620 3 HIS A 166   NE2 119.6 107.5                                        
REMARK 620 4 HIS A 179   ND1 108.7  98.8 110.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 303  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 158   OD1                                                    
REMARK 620 2 GLY A 159   O    85.5                                              
REMARK 620 3 GLY A 161   O    85.5  88.3                                        
REMARK 620 4 VAL A 163   O    90.4 175.8  91.1                                  
REMARK 620 5 ASP A 181   OD2  93.5  89.4 177.5  91.2                            
REMARK 620 6 GLU A 184   OE2 172.2  93.3  86.7  90.7  94.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 301  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 201   NE2                                                    
REMARK 620 2 HIS A 205   NE2 105.7                                              
REMARK 620 3 HIS A 211   NE2 111.8  98.5                                        
REMARK 620 4 DPS A 502   O4  114.9 127.5  96.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: IN2                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: IN2 IS THE BINDING SITE FOR THE                    
REMARK 800  DIPHENYLPIPERIDINE SULFONAMIDE INHIBITOR.                           
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: ZN1                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ZN1 IS THE CATALYTIC ZINC BINDING SITE.            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: ZN2                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ZN1 IS THE STRUCTURAL ZINC BINDING SITE.           
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CA1                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CA1 IS THE FIRST CALCIUM BINDING SITE.             
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CA2                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CA2 IS THE SECOND CALCIUM BINDING SITE.            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CA3                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CA3 IS THE THIRD CALCIUM BINDING SITE.             
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 303                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 304                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 305                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DPS A 502                 
DBREF  1CAQ A   83   250  UNP    P08254   MMP3_HUMAN     100    267             
SEQRES   1 A  168  PHE ARG THR PHE PRO GLY ILE PRO LYS TRP ARG LYS THR          
SEQRES   2 A  168  HIS LEU THR TYR ARG ILE VAL ASN TYR THR PRO ASP LEU          
SEQRES   3 A  168  PRO LYS ASP ALA VAL ASP SER ALA VAL GLU LYS ALA LEU          
SEQRES   4 A  168  LYS VAL TRP GLU GLU VAL THR PRO LEU THR PHE SER ARG          
SEQRES   5 A  168  LEU TYR GLU GLY GLU ALA ASP ILE MET ILE SER PHE ALA          
SEQRES   6 A  168  VAL ARG GLU HIS GLY ASP PHE TYR PRO PHE ASP GLY PRO          
SEQRES   7 A  168  GLY ASN VAL LEU ALA HIS ALA TYR ALA PRO GLY PRO GLY          
SEQRES   8 A  168  ILE ASN GLY ASP ALA HIS PHE ASP ASP ASP GLU GLN TRP          
SEQRES   9 A  168  THR LYS ASP THR THR GLY THR ASN LEU PHE LEU VAL ALA          
SEQRES  10 A  168  ALA HIS GLU ILE GLY HIS SER LEU GLY LEU PHE HIS SER          
SEQRES  11 A  168  ALA ASN THR GLU ALA LEU MET TYR PRO LEU TYR HIS SER          
SEQRES  12 A  168  LEU THR ASP LEU THR ARG PHE ARG LEU SER GLN ASP ASP          
SEQRES  13 A  168  ILE ASN GLY ILE GLN SER LEU TYR GLY PRO PRO PRO              
HET     ZN  A 301       1                                                       
HET     ZN  A 302       1                                                       
HET     CA  A 303       1                                                       
HET    SO4  A 501       5                                                       
HET     CA  A 304       1                                                       
HET     CA  A 305       1                                                       
HET    DPS  A 502      36                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      CA CALCIUM ION                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     DPS 3-(1H-INDOL-3-YL)-2-[4-(4-PHENYL-PIPERIDIN-1-YL)-                
HETNAM   2 DPS  BENZENESULFONYLAMINO]-PROPIONIC ACID                            
FORMUL   2   ZN    2(ZN 2+)                                                     
FORMUL   4   CA    3(CA 2+)                                                     
FORMUL   5  SO4    O4 S 2-                                                      
FORMUL   8  DPS    C28 H29 N3 O4 S                                              
FORMUL   9  HOH   *74(H2 O)                                                     
HELIX    1   1 LYS A  110  GLU A  125  1                                  16    
HELIX    2   2 LEU A  195  SER A  206  1                                  12    
HELIX    3   3 LEU A  229  ARG A  231  5                                   3    
HELIX    4   4 GLN A  236  TYR A  246  1                                  11    
SHEET    1   A 5 THR A 131  ARG A 134  0                                        
SHEET    2   A 5 HIS A  96  ILE A 101  1  N  LEU A  97   O  THR A 131           
SHEET    3   A 5 ILE A 142  ALA A 147  1  N  ILE A 142   O  ARG A 100           
SHEET    4   A 5 ALA A 178  ASP A 181  1  N  ALA A 178   O  SER A 145           
SHEET    5   A 5 ALA A 165  ALA A 167 -1  N  HIS A 166   O  HIS A 179           
LINK         OD2 ASP A 107                CA    CA A 305     1555   1555  2.57  
LINK         O   ASP A 141                CA    CA A 304     1555   1555  2.41  
LINK         NE2 HIS A 151                ZN    ZN A 302     1555   1555  2.14  
LINK         OD2 ASP A 153                ZN    ZN A 302     1555   1555  2.14  
LINK         OD1 ASP A 158                CA    CA A 303     1555   1555  2.44  
LINK         O   GLY A 159                CA    CA A 303     1555   1555  2.40  
LINK         O   GLY A 161                CA    CA A 303     1555   1555  2.46  
LINK         O   VAL A 163                CA    CA A 303     1555   1555  2.41  
LINK         NE2 HIS A 166                ZN    ZN A 302     1555   1555  2.14  
LINK         O   GLY A 173                CA    CA A 304     1555   1555  2.38  
LINK         O   ASN A 175                CA    CA A 304     1555   1555  2.46  
LINK         OD1 ASP A 177                CA    CA A 304     1555   1555  2.47  
LINK         ND1 HIS A 179                ZN    ZN A 302     1555   1555  2.22  
LINK         OD2 ASP A 181                CA    CA A 303     1555   1555  2.48  
LINK         O   ASP A 182                CA    CA A 305     1555   1555  2.60  
LINK         OD1 ASP A 182                CA    CA A 305     1555   1555  2.60  
LINK         O   GLU A 184                CA    CA A 305     1555   1555  2.62  
LINK         OE2 GLU A 184                CA    CA A 303     1555   1555  2.42  
LINK         NE2 HIS A 201                ZN    ZN A 301     1555   1555  2.16  
LINK         NE2 HIS A 205                ZN    ZN A 301     1555   1555  2.19  
LINK         NE2 HIS A 211                ZN    ZN A 301     1555   1555  2.23  
LINK        ZN    ZN A 301                 O4  DPS A 502     1555   1555  1.99  
LINK        CA    CA A 304                 O   HOH A 574     1555   1555  2.59  
LINK        CA    CA A 304                 O   HOH A 575     1555   1555  2.55  
LINK        CA    CA A 305                 O   HOH A 576     1555   1555  2.71  
LINK        CA    CA A 305                 OD1 ASP A 107     1555   1555  3.20  
SITE     1 IN2  1 DPS A 502                                                     
SITE     1 ZN1  1  ZN A 301                                                     
SITE     1 ZN2  1  ZN A 302                                                     
SITE     1 CA1  1  CA A 303                                                     
SITE     1 CA2  1  CA A 304                                                     
SITE     1 CA3  1  CA A 305                                                     
SITE     1 AC1  4 HIS A 201  HIS A 205  HIS A 211  DPS A 502                    
SITE     1 AC2  4 HIS A 151  ASP A 153  HIS A 166  HIS A 179                    
SITE     1 AC3  6 ASP A 158  GLY A 159  GLY A 161  VAL A 163                    
SITE     2 AC3  6 ASP A 181  GLU A 184                                          
SITE     1 AC4  3 PRO A 109  LYS A 110  HOH A 542                               
SITE     1 AC5  6 ASP A 141  GLY A 173  ASN A 175  ASP A 177                    
SITE     2 AC5  6 HOH A 574  HOH A 575                                          
SITE     1 AC6  4 ASP A 107  ASP A 182  GLU A 184  HOH A 576                    
SITE     1 AC7 15 LEU A 164  ALA A 165  ALA A 167  HIS A 201                    
SITE     2 AC7 15 GLU A 202  HIS A 205  PHE A 210  HIS A 211                    
SITE     3 AC7 15 TYR A 220  PRO A 221  LEU A 222  TYR A 223                    
SITE     4 AC7 15 HIS A 224   ZN A 301  HOH A 566                               
CRYST1   69.000   69.000   77.800  90.00  90.00  90.00 P 41 21 2     8          
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      0.014493  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014493  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012853        0.00000