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Database: PDB
Entry: 1CK7
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Original site: 1CK7 
HEADER    HYDROLASE                               28-APR-99   1CK7              
TITLE     GELATINASE A (FULL-LENGTH)                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (GELATINASE A);                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: FULL-LENGTH;                                               
COMPND   5 SYNONYM: MMP-2,72KD TYPE IV COLLAGENASE;                             
COMPND   6 EC: 3.4.24.24;                                                       
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: TRICHOPLUSIA NI;                                  
SOURCE   6 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7111;                                       
SOURCE   8 EXPRESSION_SYSTEM_CELL_LINE: HIGH 5;                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: VIRUS;                                
SOURCE  10 EXPRESSION_SYSTEM_VECTOR: BACULOVIRUS;                               
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PVL1393;                                  
SOURCE  12 EXPRESSION_SYSTEM_GENE: CLG4                                         
KEYWDS    HYDROLASE (METALLOPROTEASE), FULL-LENGTH, METALLOPROTEINASE,          
KEYWDS   2 GELATINASE A, HYDROLASE                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.MORGUNOVA,A.TUUTTILA,U.BERGMANN,M.ISUPOV,Y.LINDQVIST,G.SCHNEIDER,   
AUTHOR   2 K.TRYGGVASON                                                         
REVDAT   6   09-AUG-23 1CK7    1       REMARK                                   
REVDAT   5   03-NOV-21 1CK7    1       REMARK SEQADV LINK                       
REVDAT   4   11-APR-18 1CK7    1       REMARK                                   
REVDAT   3   04-APR-18 1CK7    1       REMARK                                   
REVDAT   2   24-FEB-09 1CK7    1       VERSN                                    
REVDAT   1   25-AUG-99 1CK7    0                                                
JRNL        AUTH   E.MORGUNOVA,A.TUUTTILA,U.BERGMANN,M.ISUPOV,Y.LINDQVIST,      
JRNL        AUTH 2 G.SCHNEIDER,K.TRYGGVASON                                     
JRNL        TITL   STRUCTURE OF HUMAN PRO-MATRIX METALLOPROTEINASE-2:           
JRNL        TITL 2 ACTIVATION MECHANISM REVEALED.                               
JRNL        REF    SCIENCE                       V. 284  1667 1999              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   10356396                                                     
JRNL        DOI    10.1126/SCIENCE.284.5420.1667                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 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) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 34.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 30959                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.286                           
REMARK   3   FREE R VALUE                     : 0.327                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1660                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4930                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 17                                      
REMARK   3   SOLVENT ATOMS            : 104                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 105.0                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 63.50                          
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.012 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 0.024 ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.700 ; 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  OTHER REFINEMENT REMARKS:                                           
REMARK   3  NO ELECTRON DENSITY WAS OBSERVED FOR THE N-TERMINAL RESIDUE         
REMARK   3  ALA 30 AND FOR RESIDUES ASP 450  - THR 460. PRESUMABLY THEY         
REMARK   3  ARE DISORDERED.  THESE RESIDUES ARE PART OF A FLEXIBLE              
REMARK   3  LINKAGE BETWEEN CATALYTIC CORE AND C-TERMINAL HEMOPEXIN             
REMARK   3  PARTS OF MMP-2.                                                     
REMARK   3                                                                      
REMARK   3  RESIDUES 108 - 116 WERE MODELED INTO POOR ELECTRON DENSITY.         
REMARK   3  THE SIDE CHAIN ORIENTATIONS WERE TAKEN FROM THE ROTAMER             
REMARK   3  LIBRARY.  THESE RESIDUES ARE IN THE LOOP WHICH CONECTS              
REMARK   3  PROPEPTIDE AND CATALYTIC DOMAIN.                                    
REMARK   3                                                                      
REMARK   3  THE ELECTRON DENSITY FOR THE SURFACE LOOP 649 - 652 IS              
REMARK   3  WEAK, AND THE INDIVIDUAL B-FACTORS ARE RATHER HIGH.                 
REMARK   4                                                                      
REMARK   4 1CK7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000963.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : OCT-97                             
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM02                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97984                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS, SCALA, CCP4 (SCALA)           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32057                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 34.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 10.20                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.11700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.98                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.50                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.40300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1GEN, PDB ENTRY 1FBL                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 72.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.49                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.8                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       3555   -Y,X+1/2,Z+1/4                                          
REMARK 290       4555   Y+1/2,-X,Z+3/4                                          
REMARK 290       5555   -X+1/2,Y,-Z+3/4                                         
REMARK 290       6555   X,-Y+1/2,-Z+1/4                                         
REMARK 290       7555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X,-Y,Z                                                 
REMARK 290      11555   -Y+1/2,X,Z+3/4                                          
REMARK 290      12555   Y,-X+1/2,Z+1/4                                          
REMARK 290      13555   -X,Y+1/2,-Z+1/4                                         
REMARK 290      14555   X+1/2,-Y,-Z+3/4                                         
REMARK 290      15555   Y,X,-Z                                                  
REMARK 290      16555   -Y+1/2,-X+1/2,-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       60.66000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000       60.66000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      172.55500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       60.66000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       86.27750            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       60.66000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      258.83250            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       60.66000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      258.83250            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       60.66000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       86.27750            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000       60.66000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       60.66000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      172.55500            
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        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       60.66000            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       60.66000            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000      172.55500            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       60.66000            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000      258.83250            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       60.66000            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       86.27750            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       60.66000            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       86.27750            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       60.66000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000      258.83250            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       60.66000            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       60.66000            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      172.55500            
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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ALA A    30                                                      
REMARK 465     ASP A   450                                                      
REMARK 465     ILE A   451                                                      
REMARK 465     ASP A   452                                                      
REMARK 465     LEU A   453                                                      
REMARK 465     GLY A   454                                                      
REMARK 465     THR A   455                                                      
REMARK 465     GLY A   456                                                      
REMARK 465     PRO A   457                                                      
REMARK 465     THR A   458                                                      
REMARK 465     PRO A   459                                                      
REMARK 465     THR A   460                                                      
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   OH   TYR A   591     O    HOH A  1016              1.99            
REMARK 500   O    ALA A   635     O    HOH A  1094              2.06            
REMARK 500   NE2  GLN A   149     O    HOH A  1014              2.14            
REMARK 500   NZ   LYS A   531     OE2  GLU A   549              2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   ND2  ASN A   240     ND2  ASN A   240    10675     1.61            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    CYS A 660   C     CYS A 660   OXT     1.565                       
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    CYS A  60   CB  -  CA  -  C   ANGL. DEV. =   9.7 DEGREES          
REMARK 500    CYS A  60   CA  -  CB  -  SG  ANGL. DEV. =  15.2 DEGREES          
REMARK 500    ASP A 134   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ARG A 175   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    TYR A 182   N   -  CA  -  CB  ANGL. DEV. = -11.9 DEGREES          
REMARK 500    PHE A 184   CB  -  CG  -  CD2 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    ASP A 185   CB  -  CG  -  OD1 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    GLY A 186   O   -  C   -  N   ANGL. DEV. = -10.7 DEGREES          
REMARK 500    HIS A 193   CA  -  CB  -  CG  ANGL. DEV. =  10.8 DEGREES          
REMARK 500    ARG A 222   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A 222   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ASP A 229   O   -  C   -  N   ANGL. DEV. = -11.3 DEGREES          
REMARK 500    CYS A 233   CA  -  CB  -  SG  ANGL. DEV. =   8.6 DEGREES          
REMARK 500    GLY A 241   C   -  N   -  CA  ANGL. DEV. = -12.8 DEGREES          
REMARK 500    CYS A 247   CA  -  CB  -  SG  ANGL. DEV. =   6.6 DEGREES          
REMARK 500    ARG A 252   NH1 -  CZ  -  NH2 ANGL. DEV. =   6.7 DEGREES          
REMARK 500    ARG A 252   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    GLN A 298   C   -  N   -  CA  ANGL. DEV. = -16.4 DEGREES          
REMARK 500    ARG A 315   CA  -  CB  -  CG  ANGL. DEV. =  13.4 DEGREES          
REMARK 500    ASP A 383   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ARG A 385   CD  -  NE  -  CZ  ANGL. DEV. =  10.7 DEGREES          
REMARK 500    TYR A 524   CA  -  CB  -  CG  ANGL. DEV. =  19.1 DEGREES          
REMARK 500    TRP A 589   CA  -  CB  -  CG  ANGL. DEV. =  12.3 DEGREES          
REMARK 500    GLU A 641   N   -  CA  -  CB  ANGL. DEV. =  15.1 DEGREES          
REMARK 500    CYS A 660   C   -  N   -  CA  ANGL. DEV. =  26.6 DEGREES          
REMARK 500    CYS A 660   CA  -  CB  -  SG  ANGL. DEV. =  12.9 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    SER A  32       99.28    174.02                                   
REMARK 500    GLN A  91      -28.01    -38.99                                   
REMARK 500    ALA A 108       98.30     69.91                                   
REMARK 500    TYR A 110       49.97   -144.34                                   
REMARK 500    ASN A 111       61.08   -119.74                                   
REMARK 500    LYS A 118      113.78   -166.66                                   
REMARK 500    TRP A 119      131.03    -32.91                                   
REMARK 500    ARG A 175     -162.08   -111.34                                   
REMARK 500    TRP A 176      -76.63    -39.99                                   
REMARK 500    ASP A 188     -160.45     61.75                                   
REMARK 500    PHE A 297      -67.50   -102.58                                   
REMARK 500    GLN A 298      -55.67   -130.55                                   
REMARK 500    ASP A 392     -165.48   -105.85                                   
REMARK 500    LYS A 439      -71.64    -47.47                                   
REMARK 500    TYR A 445     -169.75   -129.80                                   
REMARK 500    SER A 448      150.35    155.99                                   
REMARK 500    ILE A 481     -120.83   -115.53                                   
REMARK 500    LYS A 489     -141.71   -145.62                                   
REMARK 500    ASP A 490      -96.82    -62.66                                   
REMARK 500    SER A 546       -2.49     82.57                                   
REMARK 500    PHE A 572      159.56    161.25                                   
REMARK 500    LYS A 639     -167.82   -102.94                                   
REMARK 500    LEU A 640      140.04   -173.53                                   
REMARK 500    SER A 647      103.14    -52.81                                   
REMARK 500    LYS A 649      133.14   -175.37                                   
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    ASP A 185         10.60                                           
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                              ZN A 990  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 102   SG                                                     
REMARK 620 2 HIS A 403   NE2 104.3                                              
REMARK 620 3 HIS A 407   NE2 114.1 106.5                                        
REMARK 620 4 HIS A 413   NE2 109.4 112.4 110.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 993  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 166   OE1                                                    
REMARK 620 2 ALA A 167   O    60.4                                              
REMARK 620 3 ASP A 168   O   129.4  69.2                                        
REMARK 620 4 GLY A 200   O    96.9 157.3 133.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 991  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 178   NE2                                                    
REMARK 620 2 ASP A 180   OD2 118.0                                              
REMARK 620 3 HIS A 193   NE2  80.9 127.2                                        
REMARK 620 4 HIS A 206   ND1 104.3  89.6 135.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 992  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 185   O                                                      
REMARK 620 2 GLY A 186   O    55.5                                              
REMARK 620 3 ASP A 188   O    95.0  82.4                                        
REMARK 620 4 LEU A 190   O   128.7 171.7  89.9                                  
REMARK 620 5 ASP A 208   OD2  85.3  89.5 169.9  97.8                            
REMARK 620 6 GLU A 211   OE2 135.3  81.8  63.9  92.1 109.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 994  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 476   O                                                      
REMARK 620 2 ASP A 521   O    81.7                                              
REMARK 620 3 ASP A 569   O   147.8  82.9                                        
REMARK 620 4 ASP A 618   O   105.9 124.4  61.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 996  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ILE A 478   O                                                      
REMARK 620 2 VAL A 523   O   128.4                                              
REMARK 620 3 ALA A 571   O   141.2  85.2                                        
REMARK 620 4 VAL A 620   O    77.4 154.2  71.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: ZNA                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ZN 990 ACTIVE SITE                                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: ZNS                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ZN 991 STRUCTURAL SITE                             
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CAA                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CA 992 CATALYTIC DOMAIN                            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CAB                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CA 993 CATALYTIC DOMAIN                            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CAH                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CA 994 HEMOPEXIN DOMAIN                            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 990                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 991                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 992                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 993                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 994                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 995                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 996                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 777                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 778                 
DBREF  1CK7 A   30   660  UNP    P08253   MMP2_HUMAN      30    660             
SEQADV 1CK7 ALA A  404  UNP  P08253    GLU   404 ENGINEERED MUTATION            
SEQRES   1 A  631  ALA PRO SER PRO ILE ILE LYS PHE PRO GLY ASP VAL ALA          
SEQRES   2 A  631  PRO LYS THR ASP LYS GLU LEU ALA VAL GLN TYR LEU ASN          
SEQRES   3 A  631  THR PHE TYR GLY CYS PRO LYS GLU SER CYS ASN LEU PHE          
SEQRES   4 A  631  VAL LEU LYS ASP THR LEU LYS LYS MET GLN LYS PHE PHE          
SEQRES   5 A  631  GLY LEU PRO GLN THR GLY ASP LEU ASP GLN ASN THR ILE          
SEQRES   6 A  631  GLU THR MET ARG LYS PRO ARG CYS GLY ASN PRO ASP VAL          
SEQRES   7 A  631  ALA ASN TYR ASN PHE PHE PRO ARG LYS PRO LYS TRP ASP          
SEQRES   8 A  631  LYS ASN GLN ILE THR TYR ARG ILE ILE GLY TYR THR PRO          
SEQRES   9 A  631  ASP LEU ASP PRO GLU THR VAL ASP ASP ALA PHE ALA ARG          
SEQRES  10 A  631  ALA PHE GLN VAL TRP SER ASP VAL THR PRO LEU ARG PHE          
SEQRES  11 A  631  SER ARG ILE HIS ASP GLY GLU ALA ASP ILE MET ILE ASN          
SEQRES  12 A  631  PHE GLY ARG TRP GLU HIS GLY ASP GLY TYR PRO PHE ASP          
SEQRES  13 A  631  GLY LYS ASP GLY LEU LEU ALA HIS ALA PHE ALA PRO GLY          
SEQRES  14 A  631  THR GLY VAL GLY GLY ASP SER HIS PHE ASP ASP ASP GLU          
SEQRES  15 A  631  LEU TRP THR LEU GLY GLU GLY GLN VAL VAL ARG VAL LYS          
SEQRES  16 A  631  TYR GLY ASN ALA ASP GLY GLU TYR CYS LYS PHE PRO PHE          
SEQRES  17 A  631  LEU PHE ASN GLY LYS GLU TYR ASN SER CYS THR ASP THR          
SEQRES  18 A  631  GLY ARG SER ASP GLY PHE LEU TRP CYS SER THR THR TYR          
SEQRES  19 A  631  ASN PHE GLU LYS ASP GLY LYS TYR GLY PHE CYS PRO HIS          
SEQRES  20 A  631  GLU ALA LEU PHE THR MET GLY GLY ASN ALA GLU GLY GLN          
SEQRES  21 A  631  PRO CYS LYS PHE PRO PHE ARG PHE GLN GLY THR SER TYR          
SEQRES  22 A  631  ASP SER CYS THR THR GLU GLY ARG THR ASP GLY TYR ARG          
SEQRES  23 A  631  TRP CYS GLY THR THR GLU ASP TYR ASP ARG ASP LYS LYS          
SEQRES  24 A  631  TYR GLY PHE CYS PRO GLU THR ALA MET SER THR VAL GLY          
SEQRES  25 A  631  GLY ASN SER GLU GLY ALA PRO CYS VAL PHE PRO PHE THR          
SEQRES  26 A  631  PHE LEU GLY ASN LYS TYR GLU SER CYS THR SER ALA GLY          
SEQRES  27 A  631  ARG SER ASP GLY LYS MET TRP CYS ALA THR THR ALA ASN          
SEQRES  28 A  631  TYR ASP ASP ASP ARG LYS TRP GLY PHE CYS PRO ASP GLN          
SEQRES  29 A  631  GLY TYR SER LEU PHE LEU VAL ALA ALA HIS ALA PHE GLY          
SEQRES  30 A  631  HIS ALA MET GLY LEU GLU HIS SER GLN ASP PRO GLY ALA          
SEQRES  31 A  631  LEU MET ALA PRO ILE TYR THR TYR THR LYS ASN PHE ARG          
SEQRES  32 A  631  LEU SER GLN ASP ASP ILE LYS GLY ILE GLN GLU LEU TYR          
SEQRES  33 A  631  GLY ALA SER PRO ASP ILE ASP LEU GLY THR GLY PRO THR          
SEQRES  34 A  631  PRO THR LEU GLY PRO VAL THR PRO GLU ILE CYS LYS GLN          
SEQRES  35 A  631  ASP ILE VAL PHE ASP GLY ILE ALA GLN ILE ARG GLY GLU          
SEQRES  36 A  631  ILE PHE PHE PHE LYS ASP ARG PHE ILE TRP ARG THR VAL          
SEQRES  37 A  631  THR PRO ARG ASP LYS PRO MET GLY PRO LEU LEU VAL ALA          
SEQRES  38 A  631  THR PHE TRP PRO GLU LEU PRO GLU LYS ILE ASP ALA VAL          
SEQRES  39 A  631  TYR GLU ALA PRO GLN GLU GLU LYS ALA VAL PHE PHE ALA          
SEQRES  40 A  631  GLY ASN GLU TYR TRP ILE TYR SER ALA SER THR LEU GLU          
SEQRES  41 A  631  ARG GLY TYR PRO LYS PRO LEU THR SER LEU GLY LEU PRO          
SEQRES  42 A  631  PRO ASP VAL GLN ARG VAL ASP ALA ALA PHE ASN TRP SER          
SEQRES  43 A  631  LYS ASN LYS LYS THR TYR ILE PHE ALA GLY ASP LYS PHE          
SEQRES  44 A  631  TRP ARG TYR ASN GLU VAL LYS LYS LYS MET ASP PRO GLY          
SEQRES  45 A  631  PHE PRO LYS LEU ILE ALA ASP ALA TRP ASN ALA ILE PRO          
SEQRES  46 A  631  ASP ASN LEU ASP ALA VAL VAL ASP LEU GLN GLY GLY GLY          
SEQRES  47 A  631  HIS SER TYR PHE PHE LYS GLY ALA TYR TYR LEU LYS LEU          
SEQRES  48 A  631  GLU ASN GLN SER LEU LYS SER VAL LYS PHE GLY SER ILE          
SEQRES  49 A  631  LYS SER ASP TRP LEU GLY CYS                                  
HET     ZN  A 990       1                                                       
HET     ZN  A 991       1                                                       
HET     CA  A 992       1                                                       
HET     CA  A 993       1                                                       
HET     CA  A 994       1                                                       
HET     CL  A 995       1                                                       
HET     NA  A 996       1                                                       
HET    SO4  A 777       5                                                       
HET    SO4  A 778       5                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      CA CALCIUM ION                                                      
HETNAM      CL CHLORIDE ION                                                     
HETNAM      NA SODIUM ION                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2   ZN    2(ZN 2+)                                                     
FORMUL   4   CA    3(CA 2+)                                                     
FORMUL   7   CL    CL 1-                                                        
FORMUL   8   NA    NA 1+                                                        
FORMUL   9  SO4    2(O4 S 2-)                                                   
FORMUL  11  HOH   *104(H2 O)                                                    
HELIX    1  H1 THR A   45  TYR A   58  1                                  14    
HELIX    2  H2 LEU A   67  PHE A   81  1                                  15    
HELIX    3  H3 GLN A   91  THR A   96  1                                   6    
HELIX    4  H4 PRO A  137  SER A  152  1                                  16    
HELIX    5  H5 PHE A  265  ASP A  268  1                                   4    
HELIX    6  H6 TYR A  323  ASP A  326  1                                   4    
HELIX    7  H7 ASN A  380  ASP A  384  1                                   5    
HELIX    8  H8 LEU A  397  MET A  409  1                                  13    
HELIX    9 H10 ALA A  510  PHE A  512  5                                   3    
HELIX   10 H11 THR A  557  LEU A  559  5                                   3    
HELIX   11 H12 ILE A  653  ASP A  656  1                                   4    
SHEET    1  S1 1 GLN A 123  ILE A 128  0                                        
SHEET    1  S2 1 ARG A 158  ILE A 162  0                                        
SHEET    1  S3 1 ILE A 169  GLY A 174  0                                        
SHEET    1  S4 1 LEU A 191  PHE A 195  0                                        
SHEET    1  S5 1 ASP A 204  ASP A 209  0                                        
SHEET    1  S6 1 LEU A 212  THR A 214  0                                        
SHEET    1  S7 1 PHE A 237  PHE A 239  0                                        
SHEET    1  S8 1 LYS A 242  TYR A 244  0                                        
SHEET    1  S9 1 LEU A 257  SER A 260  0                                        
SHEET    1 S10 1 LYS A 270  CYS A 274  0                                        
SHEET    1 S11 1 PHE A 295  PHE A 297  0                                        
SHEET    1 S12 1 THR A 300  TYR A 302  0                                        
SHEET    1 S13 1 ARG A 315  GLY A 318  0                                        
SHEET    1 S14 1 LYS A 328  CYS A 332  0                                        
SHEET    1 S15 1 PHE A 353  GLY A 357  0                                        
SHEET    1 S16 1 ASN A 358  TYR A 360  0                                        
SHEET    1 S17 1 MET A 373  ALA A 376  0                                        
SHEET    1 S18 1 LYS A 386  CYS A 390  0                                        
SHEET    1 S19 1 GLY A 477  ILE A 481  0                                        
SHEET    1 S20 1 GLU A 484  LYS A 489  0                                        
SHEET    1 S21 1 PHE A 492  THR A 496  0                                        
SHEET    1 S22 1 MET A 504  VAL A 509  0                                        
SHEET    1 S23 1 TYR A 524  ALA A 526  0                                        
SHEET    1 S24 1 LYS A 531  ALA A 536  0                                        
SHEET    1 S25 1 ASN A 538  SER A 544  0                                        
SHEET    1 S26 1 THR A 547  GLU A 549  0                                        
SHEET    1 S27 1 LYS A 554  PRO A 555  0                                        
SHEET    1 S28 1 LYS A 578  ALA A 584  0                                        
SHEET    1 S29 1 ASP A 586  GLU A 593  0                                        
SHEET    1 S30 1 LYS A 597  ASP A 599  0                                        
SHEET    1 S31 1 LYS A 604  LEU A 605  0                                        
SHEET    1 S32 1 ALA A 619  VAL A 621  0                                        
SHEET    1 S33 1 TYR A 630  LYS A 633  0                                        
SHEET    1 S34 1 TYR A 636  LEU A 638  0                                        
SSBOND   1 CYS A   60    CYS A   65                          1555   1555  2.78  
SSBOND   2 CYS A  291    CYS A  317                          1555   1555  2.22  
SSBOND   3 CYS A  305    CYS A  332                          1555   1555  2.29  
SSBOND   4 CYS A  349    CYS A  375                          1555   1555  2.19  
SSBOND   5 CYS A  363    CYS A  390                          1555   1555  2.39  
SSBOND   6 CYS A  469    CYS A  660                          1555   1555  2.58  
LINK         SG  CYS A 102                ZN    ZN A 990     1555   1555  2.50  
LINK         OE1 GLU A 166                CA    CA A 993     1555   1555  3.22  
LINK         O   ALA A 167                CA    CA A 993     1555   1555  2.89  
LINK         O   ASP A 168                CA    CA A 993     1555   1555  2.90  
LINK         NE2 HIS A 178                ZN    ZN A 991     1555   1555  2.16  
LINK         OD2 ASP A 180                ZN    ZN A 991     1555   1555  2.26  
LINK         O   ASP A 185                CA    CA A 992     1555   1555  2.85  
LINK         O   GLY A 186                CA    CA A 992     1555   1555  2.41  
LINK         O   ASP A 188                CA    CA A 992     1555   1555  2.58  
LINK         O   LEU A 190                CA    CA A 992     1555   1555  2.47  
LINK         NE2 HIS A 193                ZN    ZN A 991     1555   1555  2.08  
LINK         O   GLY A 200                CA    CA A 993     1555   1555  2.69  
LINK         ND1 HIS A 206                ZN    ZN A 991     1555   1555  2.06  
LINK         OD2 ASP A 208                CA    CA A 992     1555   1555  2.58  
LINK         OE2 GLU A 211                CA    CA A 992     1555   1555  2.75  
LINK         NE2 HIS A 403                ZN    ZN A 990     1555   1555  2.25  
LINK         NE2 HIS A 407                ZN    ZN A 990     1555   1555  2.24  
LINK         NE2 HIS A 413                ZN    ZN A 990     1555   1555  2.49  
LINK         O   ASP A 476                CA    CA A 994     1555   1555  2.54  
LINK         O   ILE A 478                NA    NA A 996     1555   1555  2.71  
LINK         O   ASP A 521                CA    CA A 994     1555   1555  2.78  
LINK         O   VAL A 523                NA    NA A 996     1555   1555  2.90  
LINK         O   ASP A 569                CA    CA A 994     1555   1555  2.68  
LINK         O   ALA A 571                NA    NA A 996     1555   1555  2.79  
LINK         O   ASP A 618                CA    CA A 994     1555   1555  2.72  
LINK         O   VAL A 620                NA    NA A 996     1555   1555  2.92  
CISPEP   1 PHE A  235    PRO A  236          0        -2.55                     
CISPEP   2 PHE A  293    PRO A  294          0       -15.46                     
CISPEP   3 PHE A  351    PRO A  352          0        -2.41                     
CISPEP   4 GLY A  505    PRO A  506          0         7.23                     
CISPEP   5 TYR A  552    PRO A  553          0         6.80                     
CISPEP   6 PHE A  602    PRO A  603          0         9.20                     
SITE     1 ZNA  4 CYS A 102  HIS A 403  HIS A 407  HIS A 413                    
SITE     1 ZNS  4 ASP A 180  HIS A 178  HIS A 193  HIS A 206                    
SITE     1 CAA  6 ASP A 185  GLY A 186  ASP A 188  LEU A 190                    
SITE     2 CAA  6 ASP A 208  GLU A 211                                          
SITE     1 CAB  6 GLU A 166  ALA A 167  ASP A 168  GLY A 200                    
SITE     2 CAB  6 GLY A 202  ASP A 204                                          
SITE     1 CAH  4 ASP A 476  ASP A 521  ASP A 569  ASP A 618                    
SITE     1 AC1  4 CYS A 102  HIS A 403  HIS A 407  HIS A 413                    
SITE     1 AC2  4 HIS A 178  ASP A 180  HIS A 193  HIS A 206                    
SITE     1 AC3  6 ASP A 185  GLY A 186  ASP A 188  LEU A 190                    
SITE     2 AC3  6 ASP A 208  GLU A 211                                          
SITE     1 AC4  6 GLU A 166  ALA A 167  ASP A 168  GLY A 200                    
SITE     2 AC4  6 GLY A 202  ASP A 204                                          
SITE     1 AC5  4 ASP A 476  ASP A 521  ASP A 569  ASP A 618                    
SITE     1 AC6  4 ALA A 522  VAL A 523  ALA A 571   NA A 996                    
SITE     1 AC7  6 ILE A 478  ALA A 479  VAL A 523  ALA A 571                    
SITE     2 AC7  6 VAL A 620   CL A 995                                          
SITE     1 AC8  7 GLN A  52  TYR A  53  THR A  56  PHE A  57                    
SITE     2 AC8  7 ASP A 185  LEU A 190  HOH A1097                               
SITE     1 AC9  4 GLN A 298  GLY A 299  THR A 300  THR A 307                    
CRYST1  121.320  121.320  345.110  90.00  90.00  90.00 I 41 2 2     16          
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      0.008243  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008243  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.002898        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system