HEADER    LYASE                                   31-MAR-05   1Z93               
TITLE     HUMAN CARBONIC ANHYDRASE III:STRUCTURAL AND KINETIC STUDY OF CATALYSIS 
TITLE    2 AND PROTON TRANSFER.                                                  
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: CARBONIC ANHYDRASE III;                                     
COMPND   3 CHAIN: A;                                                             
COMPND   4 SYNONYM: CARBONATE DEHYDRATASE III, CA- III;                          
COMPND   5 EC: 4.2.1.1;                                                          
COMPND   6 ENGINEERED: YES;                                                      
COMPND   7 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                    
SOURCE   3 ORGANISM_COMMON: HUMAN;                                               
SOURCE   4 ORGANISM_TAXID: 9606;                                                 
SOURCE   5 GENE: CA3;                                                            
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                         
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) PLYSS;                            
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET-81F1                                   
KEYWDS    CARBONIC ANHYDRASE III, PROTON WIRE, CHEMICAL RESCUE, LYASE            
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    D.M.DUDA,C.TU,S.Z.FISHER,H.AN,C.YOSHIOKA,L.GOVINDASAMY,P.J.LAIPIS,     
AUTHOR   2 M.AGBANDJE-MCKENNA,D.N.SILVERMAN,R.MCKENNA                            
REVDAT   4   23-AUG-23 1Z93    1       REMARK                                    
REVDAT   3   20-OCT-21 1Z93    1       REMARK SEQADV LINK                        
REVDAT   2   24-FEB-09 1Z93    1       VERSN                                     
REVDAT   1   09-AUG-05 1Z93    0                                                 
JRNL        AUTH   D.M.DUDA,C.TU,S.Z.FISHER,H.AN,C.YOSHIOKA,L.GOVINDASAMY,       
JRNL        AUTH 2 P.J.LAIPIS,M.AGBANDJE-MCKENNA,D.N.SILVERMAN,R.MCKENNA         
JRNL        TITL   HUMAN CARBONIC ANHYDRASE III: STRUCTURAL AND KINETIC STUDY    
JRNL        TITL 2 OF CATALYSIS AND PROTON TRANSFER                              
JRNL        REF    BIOCHEMISTRY                  V.  44 10046 2005               
JRNL        REFN                   ISSN 0006-2960                                
JRNL        PMID   16042381                                                      
JRNL        DOI    10.1021/BI050610H                                             
REMARK   2                                                                       
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                        
REMARK   3                                                                       
REMARK   3 REFINEMENT.                                                           
REMARK   3   PROGRAM     : CNS                                                   
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-               
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,               
REMARK   3               : READ,RICE,SIMONSON,WARREN                             
REMARK   3                                                                       
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                     
REMARK   3                                                                       
REMARK   3  DATA USED IN REFINEMENT.                                             
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                            
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                            
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                            
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 85.3                            
REMARK   3   NUMBER OF REFLECTIONS             : 12506                           
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 SET) : 0.205                            
REMARK   3   FREE R VALUE                     : 0.258                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                             
REMARK   3   FREE R VALUE TEST SET COUNT      : 638                              
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           : NULL                          
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                          
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                          
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                          
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                          
REMARK   3   BIN FREE R VALUE                    : NULL                          
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                          
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                          
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            : 2127                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 1                                        
REMARK   3   SOLVENT ATOMS            : 109                                      
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) : 0.006                            
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                             
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                             
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  BULK SOLVENT MODELING.                                               
REMARK   3   METHOD USED : NULL                                                  
REMARK   3   KSOL        : NULL                                                  
REMARK   3   BSOL        : 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  : NULL                                            
REMARK   3  TOPOLOGY FILE  1   : NULL                                            
REMARK   3                                                                       
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                       
REMARK   4                                                                       
REMARK   4 1Z93 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-APR-05.                   
REMARK 100 THE DEPOSITION ID IS D_1000032452.                                    
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 08-JAN-05                           
REMARK 200  TEMPERATURE           (KELVIN) : 293                                 
REMARK 200  PH                             : 8.0                                 
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) : 1.5418                              
REMARK 200  MONOCHROMATOR                  : NULL                                
REMARK 200  OPTICS                         : OSMIC MIRROR                        
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                         
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                               
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                           
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12938                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                                
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.1                                
REMARK 200  DATA REDUNDANCY                : NULL                                
REMARK 200  R MERGE                    (I) : NULL                                
REMARK 200  R SYM                      (I) : 0.10200                             
REMARK 200   FOR THE DATA SET  : NULL                                
REMARK 200                                                                       
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.17                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 85.0                                
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                                
REMARK 200  R MERGE FOR SHELL          (I) : NULL                                
REMARK 200  R SYM FOR SHELL            (I) : 0.32400                             
REMARK 200   FOR SHELL         : NULL                                
REMARK 200                                                                       
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                               
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT         
REMARK 200 SOFTWARE USED: CNS                                                    
REMARK 200 STARTING MODEL: PDB ENTRY 1FLJ                                        
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 41.68                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 8K, 10MM TRIS PH8.0, VAPOR        
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 273K                            
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                             
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65                              
REMARK 290                                                                       
REMARK 290      SYMOP   SYMMETRY                                                 
REMARK 290     NNNMMM   OPERATOR                                                 
REMARK 290       1555   X,Y,Z                                                    
REMARK 290       2555   -Y,X-Y,Z+2/3                                             
REMARK 290       3555   -X+Y,-X,Z+1/3                                            
REMARK 290       4555   -X,-Y,Z+1/2                                              
REMARK 290       5555   Y,-X+Y,Z+1/6                                             
REMARK 290       6555   X-Y,X,Z+5/6                                              
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 -0.500000 -0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000             
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      148.37133             
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000             
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       74.18567             
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000             
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000             
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      111.27850             
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000             
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       37.09283             
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000             
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000             
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000      185.46417             
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     MET A     1                                                       
REMARK 465     ALA A     2                                                       
REMARK 465     LYS A     3                                                       
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    ALA A   8     -165.87    -75.44                                    
REMARK 500    ASP A  75       91.23    -66.10                                    
REMARK 500    ASN A 129      -29.85     70.35                                    
REMARK 500    PRO A 202        0.86    -67.76                                    
REMARK 500    ALA A 233     -168.66    -60.72                                    
REMARK 500    ASN A 235       42.40    -85.17                                    
REMARK 500    ASN A 244       51.68    -96.38                                    
REMARK 500    ASN A 252     -122.26     63.09                                    
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 268  ZN                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 HIS A  94   NE2                                                     
REMARK 620 2 HIS A  96   NE2 105.0                                               
REMARK 620 3 HIS A 119   ND1 114.9 110.3                                         
REMARK 620 4 HOH A 269   O   110.0 100.4 114.8                                   
REMARK 620 N                    1     2     3                                    
REMARK 800                                                                       
REMARK 800 SITE                                                                  
REMARK 800 SITE_IDENTIFIER: AC1                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 268                   
REMARK 900                                                                       
REMARK 900 RELATED ENTRIES                                                       
REMARK 900 RELATED ID: 1Z97   RELATED DB: PDB                                    
DBREF  1Z93 A    1   261  UNP    P07451   CAH3_HUMAN       0    259              
SEQADV 1Z93 SER A  183  UNP  P07451    CYS   181 ENGINEERED MUTATION             
SEQADV 1Z93 SER A  188  UNP  P07451    CYS   186 ENGINEERED MUTATION             
SEQADV 1Z93 HIS A  262  UNP  P07451              EXPRESSION TAG                  
SEQADV 1Z93 HIS A  263  UNP  P07451              EXPRESSION TAG                  
SEQADV 1Z93 HIS A  264  UNP  P07451              EXPRESSION TAG                  
SEQADV 1Z93 HIS A  265  UNP  P07451              EXPRESSION TAG                  
SEQADV 1Z93 HIS A  266  UNP  P07451              EXPRESSION TAG                  
SEQADV 1Z93 HIS A  267  UNP  P07451              EXPRESSION TAG                  
SEQRES   1 A  266  MET ALA LYS GLU TRP GLY TYR ALA SER HIS ASN GLY PRO           
SEQRES   2 A  266  ASP HIS TRP HIS GLU LEU PHE PRO ASN ALA LYS GLY GLU           
SEQRES   3 A  266  ASN GLN SER PRO ILE GLU LEU HIS THR LYS ASP ILE ARG           
SEQRES   4 A  266  HIS ASP PRO SER LEU GLN PRO TRP SER VAL SER TYR ASP           
SEQRES   5 A  266  GLY GLY SER ALA LYS THR ILE LEU ASN ASN GLY LYS THR           
SEQRES   6 A  266  CYS ARG VAL VAL PHE ASP ASP THR TYR ASP ARG SER MET           
SEQRES   7 A  266  LEU ARG GLY GLY PRO LEU PRO GLY PRO TYR ARG LEU ARG           
SEQRES   8 A  266  GLN PHE HIS LEU HIS TRP GLY SER SER ASP ASP HIS GLY           
SEQRES   9 A  266  SER GLU HIS THR VAL ASP GLY VAL LYS TYR ALA ALA GLU           
SEQRES  10 A  266  LEU HIS LEU VAL HIS TRP ASN PRO LYS TYR ASN THR PHE           
SEQRES  11 A  266  LYS GLU ALA LEU LYS GLN ARG ASP GLY ILE ALA VAL ILE           
SEQRES  12 A  266  GLY ILE PHE LEU LYS ILE GLY HIS GLU ASN GLY GLU PHE           
SEQRES  13 A  266  GLN ILE PHE LEU ASP ALA LEU ASP LYS ILE LYS THR LYS           
SEQRES  14 A  266  GLY LYS GLU ALA PRO PHE THR LYS PHE ASP PRO SER SER           
SEQRES  15 A  266  LEU PHE PRO ALA SER ARG ASP TYR TRP THR TYR GLN GLY           
SEQRES  16 A  266  SER PHE THR THR PRO PRO CYS GLU GLU CYS ILE VAL TRP           
SEQRES  17 A  266  LEU LEU LEU LYS GLU PRO MET THR VAL SER SER ASP GLN           
SEQRES  18 A  266  MET ALA LYS LEU ARG SER LEU LEU SER SER ALA GLU ASN           
SEQRES  19 A  266  GLU PRO PRO VAL PRO LEU VAL SER ASN TRP ARG PRO PRO           
SEQRES  20 A  266  GLN PRO ILE ASN ASN ARG VAL VAL ARG ALA SER PHE LYS           
SEQRES  21 A  266  HIS HIS HIS HIS HIS HIS                                       
HET     ZN  A 268       1                                                        
HETNAM      ZN ZINC ION                                                          
FORMUL   2   ZN    ZN 2+                                                         
FORMUL   3  HOH   *109(H2 O)                                                     
HELIX    1   1 GLY A   12  HIS A   17  1                                   6     
HELIX    2   2 GLU A   18  LEU A   19  5                                   2     
HELIX    3   3 PHE A   20  GLY A   25  5                                   6     
HELIX    4   4 HIS A   34  ILE A   38  5                                   5     
HELIX    5   5 ASP A   52  GLY A   54  5                                   3     
HELIX    6   6 PRO A  125  ASN A  129  5                                   4     
HELIX    7   7 THR A  130  LEU A  135  1                                   6     
HELIX    8   8 ASN A  154  LEU A  164  1                                  11     
HELIX    9   9 ASP A  165  LYS A  168  5                                   4     
HELIX   10  10 ASP A  180  PHE A  185  5                                   6     
HELIX   11  11 SER A  219  ARG A  227  1                                   9     
HELIX   12  12 HIS A  262  HIS A  266  5                                   5     
SHEET    1   A 2 GLU A  32  LEU A  33  0                                         
SHEET    2   A 2 THR A 108  VAL A 109  1  O  THR A 108   N  LEU A  33            
SHEET    1   B10 ARG A  39  HIS A  40  0                                         
SHEET    2   B10 ARG A 257  ALA A 258  1  O  ALA A 258   N  ARG A  39            
SHEET    3   B10 TYR A 191  GLY A 196 -1  N  THR A 193   O  ARG A 257            
SHEET    4   B10 ILE A 207  LEU A 212 -1  O  LEU A 211   N  TRP A 192            
SHEET    5   B10 ILE A 141  ILE A 150  1  N  GLY A 145   O  LEU A 210            
SHEET    6   B10 ALA A 116  TRP A 123 -1  N  LEU A 118   O  ILE A 146            
SHEET    7   B10 TYR A  88  TRP A  97 -1  N  GLN A  92   O  VAL A 121            
SHEET    8   B10 CYS A  66  PHE A  70 -1  N  PHE A  70   O  ARG A  91            
SHEET    9   B10 ALA A  56  ASN A  61 -1  N  THR A  58   O  VAL A  69            
SHEET   10   B10 LYS A 172  PRO A 175 -1  O  ALA A 174   N  ILE A  59            
SHEET    1   C 6 TRP A  47  SER A  50  0                                         
SHEET    2   C 6 MET A  78  GLY A  81 -1  O  ARG A  80   N  SER A  48            
SHEET    3   C 6 TYR A  88  TRP A  97 -1  O  TYR A  88   N  LEU A  79            
SHEET    4   C 6 ALA A 116  TRP A 123 -1  O  VAL A 121   N  GLN A  92            
SHEET    5   C 6 ILE A 141  ILE A 150 -1  O  ILE A 146   N  LEU A 118            
SHEET    6   C 6 MET A 216  VAL A 218  1  O  MET A 216   N  PHE A 147            
LINK         NE2 HIS A  94                ZN    ZN A 268     1555   1555  1.97   
LINK         NE2 HIS A  96                ZN    ZN A 268     1555   1555  2.27   
LINK         ND1 HIS A 119                ZN    ZN A 268     1555   1555  2.05   
LINK        ZN    ZN A 268                 O   HOH A 269     1555   1555  1.98   
CISPEP   1 SER A   29    PRO A   30          0         0.06                      
CISPEP   2 PRO A  201    PRO A  202          0         0.02                      
SITE     1 AC1  5 HIS A  94  HIS A  96  HIS A 119  THR A 199                     
SITE     2 AC1  5 HOH A 269                                                      
CRYST1   44.700   44.700  222.557  90.00  90.00 120.00 P 65          6           
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      0.022371  0.012916  0.000000        0.00000                          
SCALE2      0.000000  0.025832  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.004493        0.00000                          
END