PDB Short entry for 1FQM
HEADER    LYASE                                   06-SEP-00   1FQM              
TITLE     X-RAY CRYSTAL STRUCTURE OF ZINC-BOUND F93I/F95M/W97V CARBONIC         
TITLE    2 ANHYDRASE (CAII) VARIANT                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARBONIC ANHYDRASE;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 4.2.1.1;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 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: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    CARBONIC ANHYDRASE, METAL BINDING, METAL SPECIFICITY, LYASE           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.D.COX,J.A.HUNT,K.M.COMPHER,C.A.FIERKE,D.W.CHRISTIANSON              
REVDAT   4   07-FEB-24 1FQM    1       REMARK                                   
REVDAT   3   03-NOV-21 1FQM    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1FQM    1       VERSN                                    
REVDAT   1   17-JAN-01 1FQM    0                                                
JRNL        AUTH   J.D.COX,J.A.HUNT,K.M.COMPHER,C.A.FIERKE,D.W.CHRISTIANSON     
JRNL        TITL   STRUCTURAL INFLUENCE OF HYDROPHOBIC CORE RESIDUES ON METAL   
JRNL        TITL 2 BINDING AND SPECIFICITY IN CARBONIC ANHYDRASE II.            
JRNL        REF    BIOCHEMISTRY                  V.  39 13687 2000              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11076507                                                     
JRNL        DOI    10.1021/BI001649J                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 15384                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.185                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 737                             
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            : 2025                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 109                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.20                          
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) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
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  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 1FQM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-SEP-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011825.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-SEP-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 130.0                              
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                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15386                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY                : 2.700                              
REMARK 200  R MERGE                    (I) : 0.05900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 84.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.12100                            
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: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.84                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, TRIS, PH 8.0, VAPOR    
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       20.64500            
REMARK 290   SMTRY3   2  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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER                         
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     SER A     2                                                      
REMARK 465     HIS A     3                                                      
REMARK 465     HIS A     4                                                      
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    ASN A  11       10.49   -152.83                                   
REMARK 500    GLN A  53       51.16   -115.25                                   
REMARK 500    LEU A  57      -62.68   -128.59                                   
REMARK 500    ASP A  75       78.83    -68.26                                   
REMARK 500    LYS A  76      -60.99    -96.48                                   
REMARK 500    LYS A 111       -9.36     77.86                                   
REMARK 500    PHE A 176       42.81   -144.18                                   
REMARK 500    ASN A 244       55.87    -90.08                                   
REMARK 500    LYS A 252     -133.73     53.18                                   
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 262  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  94   NE2                                                    
REMARK 620 2 HIS A  96   NE2 100.9                                              
REMARK 620 3 HIS A 119   ND1 107.9 102.4                                        
REMARK 620 4 HOH A 301   O   112.1 115.3 116.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              HG A 263  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 VAL A 135   O                                                      
REMARK 620 2 GLN A 137   O   103.0                                              
REMARK 620 3 GLU A 205   O   157.1  87.7                                        
REMARK 620 4 CYS A 206   SG   65.4  89.6  94.9                                  
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 262                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 263                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1FQL   RELATED DB: PDB                                   
REMARK 900 ZINC-BOUND CARBONIC ANHYDRASE II (F95M/W97V) VARIANT.                
REMARK 900 RELATED ID: 1FQN   RELATED DB: PDB                                   
REMARK 900 METAL-FREE CARBONIC ANHYDRASE II (F93I/F95M/W97V) VARIANT.           
REMARK 900 RELATED ID: 1FQR   RELATED DB: PDB                                   
REMARK 900 COBALT-BOUND CARBONIC ANHYDRASE II (F93I/F95M/W97V) VARIANT.         
REMARK 900 RELATED ID: 1FR4   RELATED DB: PDB                                   
REMARK 900 COPPER-BOUND CARBONIC ANHYDRASE II (F93I/F95M/W97V) VARIANT.         
DBREF  1FQM A    1   261  UNP    P00918   CAH2_HUMAN       1    260             
SEQADV 1FQM ILE A   93  UNP  P00918    PHE    92 ENGINEERED MUTATION            
SEQADV 1FQM MET A   95  UNP  P00918    PHE    94 ENGINEERED MUTATION            
SEQADV 1FQM VAL A   97  UNP  P00918    TRP    96 ENGINEERED MUTATION            
SEQRES   1 A  260  MET SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO          
SEQRES   2 A  260  GLU HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU          
SEQRES   3 A  260  ARG GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS          
SEQRES   4 A  260  TYR ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP          
SEQRES   5 A  260  GLN ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA          
SEQRES   6 A  260  PHE ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL          
SEQRES   7 A  260  LEU LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE          
SEQRES   8 A  260  GLN ILE HIS MET HIS VAL GLY SER LEU ASP GLY GLN GLY          
SEQRES   9 A  260  SER GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU          
SEQRES  10 A  260  LEU HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE          
SEQRES  11 A  260  GLY LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU          
SEQRES  12 A  260  GLY ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU          
SEQRES  13 A  260  GLN LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS          
SEQRES  14 A  260  GLY LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY          
SEQRES  15 A  260  LEU LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY          
SEQRES  16 A  260  SER LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP          
SEQRES  17 A  260  ILE VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN          
SEQRES  18 A  260  VAL LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY          
SEQRES  19 A  260  GLU PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA          
SEQRES  20 A  260  GLN PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS          
HET     ZN  A 262       1                                                       
HET     HG  A 263       1                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      HG MERCURY (II) ION                                                 
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3   HG    HG 2+                                                        
FORMUL   4  HOH   *109(H2 O)                                                    
HELIX    1   1 HIS A   15  ASP A   19  5                                   5    
HELIX    2   2 PHE A   20  GLY A   25  5                                   6    
HELIX    3   3 LYS A  127  GLY A  129  5                                   3    
HELIX    4   4 ASP A  130  VAL A  135  1                                   6    
HELIX    5   5 LYS A  154  ASP A  162  1                                   9    
HELIX    6   6 ASP A  180  LEU A  185  5                                   6    
HELIX    7   7 SER A  219  ARG A  227  1                                   9    
SHEET    1   A 2 ASP A  32  ILE A  33  0                                        
SHEET    2   A 2 THR A 108  VAL A 109  1  O  THR A 108   N  ILE A  33           
SHEET    1   B16 SER A 173  ASP A 175  0                                        
SHEET    2   B16 SER A  56  ASN A  61 -1  N  ILE A  59   O  ALA A 174           
SHEET    3   B16 PHE A  66  PHE A  70 -1  N  ASN A  67   O  LEU A  60           
SHEET    4   B16 TYR A  88  VAL A  97 -1  O  ILE A  91   N  PHE A  70           
SHEET    5   B16 VAL A  78  GLY A  81 -1  N  LEU A  79   O  TYR A  88           
SHEET    6   B16 LEU A  47  SER A  50 -1  N  SER A  48   O  LYS A  80           
SHEET    7   B16 VAL A  78  GLY A  81 -1  O  VAL A  78   N  SER A  50           
SHEET    8   B16 TYR A  88  VAL A  97 -1  O  TYR A  88   N  LEU A  79           
SHEET    9   B16 ALA A 116  ASN A 124 -1  O  GLU A 117   N  HIS A  96           
SHEET   10   B16 LEU A 141  VAL A 150 -1  N  ALA A 142   O  HIS A 122           
SHEET   11   B16 ILE A 216  VAL A 218  1  N  ILE A 216   O  PHE A 147           
SHEET   12   B16 LEU A 141  VAL A 150  1  O  PHE A 147   N  ILE A 216           
SHEET   13   B16 VAL A 207  LEU A 212  1  N  THR A 208   O  LEU A 141           
SHEET   14   B16 TYR A 191  GLY A 196 -1  O  TRP A 192   N  VAL A 211           
SHEET   15   B16 LYS A 257  ALA A 258 -1  N  LYS A 257   O  THR A 193           
SHEET   16   B16 LYS A  39  TYR A  40  1  O  LYS A  39   N  ALA A 258           
LINK         NE2 HIS A  94                ZN    ZN A 262     1555   1555  2.04  
LINK         NE2 HIS A  96                ZN    ZN A 262     1555   1555  2.03  
LINK         ND1 HIS A 119                ZN    ZN A 262     1555   1555  2.06  
LINK         O   VAL A 135                HG    HG A 263     1555   1555  3.51  
LINK         O   GLN A 137                HG    HG A 263     1555   1555  3.04  
LINK         O   GLU A 205                HG    HG A 263     1555   1555  3.21  
LINK         SG  CYS A 206                HG    HG A 263     1555   1555  2.08  
LINK        ZN    ZN A 262                 O   HOH A 301     1555   1555  1.93  
CISPEP   1 SER A   29    PRO A   30          0        -0.28                     
CISPEP   2 PRO A  201    PRO A  202          0         0.52                     
SITE     1 AC1  5 HIS A  94  HIS A  96  HIS A 119  THR A 199                    
SITE     2 AC1  5 HOH A 301                                                     
SITE     1 AC2  4 VAL A 135  GLN A 137  GLU A 205  CYS A 206                    
CRYST1   41.800   41.290   72.350  90.00 103.75  90.00 P 1 21 1      2          
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      0.023923  0.000000  0.005854        0.00000                         
SCALE2      0.000000  0.024219  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014229        0.00000