HEADER    HYDROLASE                               19-FEB-00   1C7K              
TITLE     CRYSTAL STRUCTURE OF THE ZINC PROTEASE                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ZINC ENDOPROTEASE;                                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: NCNP;                                                       
COMPND   5 EC: 3.4.24.-                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES CAESPITOSUS;                       
SOURCE   3 ORGANISM_TAXID: 53502                                                
KEYWDS    ALPHA AND BETA PROTEIN, METALLOPROTEINASE, HYDROLASE                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.KURISU,S.HARADA,Y.KAI                                               
REVDAT   5   20-NOV-24 1C7K    1       REMARK                                   
REVDAT   4   27-DEC-23 1C7K    1       REMARK LINK                              
REVDAT   3   04-OCT-17 1C7K    1       REMARK                                   
REVDAT   2   24-FEB-09 1C7K    1       VERSN                                    
REVDAT   1   25-APR-01 1C7K    0                                                
JRNL        AUTH   G.KURISU,Y.KAI,S.HARADA                                      
JRNL        TITL   STRUCTURE OF THE ZINC-BINDING SITE IN THE CRYSTAL STRUCTURE  
JRNL        TITL 2 OF A ZINC ENDOPROTEASE FROM STREPTOMYCES CAESPITOSUS AT 1 A  
JRNL        TITL 3 RESOLUTION.                                                  
JRNL        REF    J.INORG.BIOCHEM.              V.  82   225 2000              
JRNL        REFN                   ISSN 0162-0134                               
JRNL        PMID   11132632                                                     
JRNL        DOI    10.1016/S0162-0134(00)00136-7                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   G.KURISU,T.KINOSHITA,A.SUGIMOTO,A.NAGARA,Y.KAI,N.KASAI,      
REMARK   1  AUTH 2 S.HARADA                                                     
REMARK   1  TITL   STRUCTURE OF THE ZINC ENDOPROTEASE FROM STREPTOMYCES         
REMARK   1  TITL 2 CAESPITOSUS                                                  
REMARK   1  REF    J.BIOCHEM.(TOKYO)             V. 121   304 1997              
REMARK   1  REFN                   ISSN 0021-924X                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.HARADA,T.KINOSHITA,N.KASAI,S.TSUNASAWA,F.SAKIYAMA          
REMARK   1  TITL   COMPLETE AMINO ACID SEQUENCE OF A ZINC METALLOENDOPROTEASE   
REMARK   1  TITL 2 FROM STREPTOMYCES CAESPITOSUS                                
REMARK   1  REF    EUR.J.BIOCHEM.                V. 233   683 1995              
REMARK   1  REFN                   ISSN 0014-2956                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   S.HARADA,K.KITADOKORO,T.KINOSHITA,Y.KAI,N.KASAI              
REMARK   1  TITL   CRYSTALLIZATION AND MAIN-CHAIN STRUCTURE OF NEUTRAL PROTEASE 
REMARK   1  TITL 2 FROM STREPTOMYCES CAESPITOSUS                                
REMARK   1  REF    J.BIOCHEM.(TOKYO)             V. 110    46 1991              
REMARK   1  REFN                   ISSN 0021-924X                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 55.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 75.9                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.154                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.148                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.178                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 7.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 344                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 4713                   
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.147                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.131                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.178                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 10.000                 
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 341                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 3372                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 1015                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 2                                             
REMARK   3   SOLVENT ATOMS      : 116                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 1133.0                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL                    
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 992                     
REMARK   3   NUMBER OF RESTRAINTS                     : 1187                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.010                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.020                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.027                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.080                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.090                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.020                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.000                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.050                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.000                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1C7K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-FEB-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000005003.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-DEC-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 277                                
REMARK 200  PH                             : 7.0                                
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 RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.7107                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS                       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : R-AXIS                             
REMARK 200  DATA SCALING SOFTWARE          : R-AXIS                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 59541                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 0.920                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 55.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 81.9                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.05700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.6400                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.92                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 0.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 58.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO                    
REMARK 200 SOFTWARE USED: SHELXS                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.48                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: ACETONE, PH 7.0, LIQUID DIFFUSION,       
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       27.55150            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       18.62150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       27.59950            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       18.62150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.55150            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       27.59950            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  35   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG A  62   NE  -  CZ  -  NH1 ANGL. DEV. =   5.0 DEGREES          
REMARK 500    ARG A  62   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    TYR A 116   CB  -  CG  -  CD2 ANGL. DEV. =   4.1 DEGREES          
REMARK 500    ARG A 124   CD  -  NE  -  CZ  ANGL. DEV. =   8.7 DEGREES          
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 134  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  76   OD1                                                    
REMARK 620 2 ASP A  76   OD2  50.8                                              
REMARK 620 3 THR A  78   OG1  79.6 126.1                                        
REMARK 620 4 HOH A 204   O   126.6  77.3 153.1                                  
REMARK 620 5 HOH A 205   O    71.4  79.9 105.6  90.3                            
REMARK 620 6 HOH A 215   O    80.1  78.4  72.9 103.3 151.0                      
REMARK 620 7 HOH A 219   O   147.6 135.2  76.3  77.3 136.2  72.4                
REMARK 620 8 HOH A 222   O   134.0 145.1  83.0  81.2  73.0 133.7  63.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 133  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  83   NE2                                                    
REMARK 620 2 HIS A  87   NE2 106.5                                              
REMARK 620 3 ASP A  93   OD1 148.6  82.1                                        
REMARK 620 4 ASP A  93   OD2 103.5 101.9  45.2                                  
REMARK 620 5 HOH A 202   O   104.5 117.0  97.7 121.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: ZIN                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ZINC COORDINATION                                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 133                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 134                  
DBREF  1C7K A    1   132  UNP    P56406   SNPA_STRCS       1    132             
SEQRES   1 A  132  THR VAL THR VAL THR TYR ASP PRO SER ASN ALA PRO SER          
SEQRES   2 A  132  PHE GLN GLN GLU ILE ALA ASN ALA ALA GLN ILE TRP ASN          
SEQRES   3 A  132  SER SER VAL ARG ASN VAL GLN LEU ARG ALA GLY GLY ASN          
SEQRES   4 A  132  ALA ASP PHE SER TYR TYR GLU GLY ASN ASP SER ARG GLY          
SEQRES   5 A  132  SER TYR ALA GLN THR ASP GLY HIS GLY ARG GLY TYR ILE          
SEQRES   6 A  132  PHE LEU ASP TYR GLN GLN ASN GLN GLN TYR ASP SER THR          
SEQRES   7 A  132  ARG VAL THR ALA HIS GLU THR GLY HIS VAL LEU GLY LEU          
SEQRES   8 A  132  PRO ASP HIS TYR GLN GLY PRO CYS SER GLU LEU MET SER          
SEQRES   9 A  132  GLY GLY GLY PRO GLY PRO SER CYS THR ASN PRO TYR PRO          
SEQRES  10 A  132  ASN ALA GLN GLU ARG SER ARG VAL ASN ALA LEU TRP ALA          
SEQRES  11 A  132  ASN GLY                                                      
HET     ZN  A 133       1                                                       
HET     CA  A 134       1                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      CA CALCIUM ION                                                      
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  HOH   *116(H2 O)                                                    
HELIX    1   1 ALA A   11  SER A   13  5                                   3    
HELIX    2   2 PHE A   14  VAL A   29  1                                  16    
HELIX    3   3 TYR A   69  TYR A   75  1                                   7    
HELIX    4   4 ASP A   76  GLY A   90  1                                  15    
HELIX    5   5 GLU A  101  GLY A  105  5                                   5    
HELIX    6   6 ASN A  118  TRP A  129  1                                  12    
SHEET    1   A 5 VAL A  32  ALA A  36  0                                        
SHEET    2   A 5 VAL A   2  ASN A  10  1  O  VAL A   2   N  GLN A  33           
SHEET    3   A 5 PHE A  42  GLY A  47  1  O  PHE A  42   N  ASP A   7           
SHEET    4   A 5 GLY A  63  ASP A  68  1  O  GLY A  63   N  SER A  43           
SHEET    5   A 5 TYR A  54  THR A  57 -1  O  TYR A  54   N  PHE A  66           
SSBOND   1 CYS A   99    CYS A  112                          1555   1555  2.04  
LINK         OD1 ASP A  76                CA    CA A 134     1555   1555  2.59  
LINK         OD2 ASP A  76                CA    CA A 134     1555   1555  2.49  
LINK         OG1 THR A  78                CA    CA A 134     1555   1555  2.45  
LINK         NE2 HIS A  83                ZN    ZN A 133     1555   1555  2.01  
LINK         NE2 HIS A  87                ZN    ZN A 133     1555   1555  2.01  
LINK         OD1 ASP A  93                ZN    ZN A 133     1555   1555  3.08  
LINK         OD2 ASP A  93                ZN    ZN A 133     1555   1555  1.95  
LINK        ZN    ZN A 133                 O   HOH A 202     1555   1555  1.93  
LINK        CA    CA A 134                 O   HOH A 204     1555   4456  2.42  
LINK        CA    CA A 134                 O   HOH A 205     1555   1555  2.42  
LINK        CA    CA A 134                 O   HOH A 215     1555   1555  2.49  
LINK        CA    CA A 134                 O   HOH A 219     1555   1555  2.51  
LINK        CA    CA A 134                 O   HOH A 222     1555   1555  2.36  
SITE     1 ZIN  4 HIS A  83  HIS A  87  ASP A  93  HOH A 202                    
SITE     1 AC1  4 HIS A  83  HIS A  87  ASP A  93  HOH A 202                    
SITE     1 AC2  7 ASP A  76  THR A  78  HOH A 204  HOH A 205                    
SITE     2 AC2  7 HOH A 215  HOH A 219  HOH A 222                               
CRYST1   55.103   55.199   37.243  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.018148  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018116  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.026851        0.00000