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Database: PDB
Entry: 2XIG
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HEADER    TRANSCRIPTION                           29-JUN-10   2XIG              
TITLE     THE STRUCTURE OF THE HELICOBACTER PYLORI FERRIC UPTAKE                
TITLE    2 REGULATOR FUR REVEALS THREE FUNCTIONAL METAL BINDING SITES           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FERRIC UPTAKE REGULATION PROTEIN;                          
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: FERRIC UPTAKE REGULATOR;                                    
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HELICOBACTER PYLORI;                            
SOURCE   3 ORGANISM_TAXID: 85962;                                               
SOURCE   4 STRAIN: 26695;                                                       
SOURCE   5 ATCC: 43504;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_VECTOR: PET11A                                     
KEYWDS    HPFUR, TRANSCRIPTION, HOMEOSTASIS                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.DIAN,S.VITALE,G.A.LEONARD,F.FAUQUANT,C.MULLER,C.BAHLAWANE,          
AUTHOR   2 H.DE REUSE,I.MICHAUD-SORET,L.TERRADOT                                
REVDAT   2   06-APR-11 2XIG    1       JRNL                                     
REVDAT   1   19-JAN-11 2XIG    0                                                
JRNL        AUTH   C.DIAN,S.VITALE,G.A.LEONARD,C.BAHLAWANE,C.FAUQUANT,D.LEDUC,  
JRNL        AUTH 2 C.MULLER,H.DE REUSE,I.MICHAUD-SORET,L.TERRADOT               
JRNL        TITL   THE STRUCTURE OF THE HELICOBACTER PYLORI FERRIC UPTAKE       
JRNL        TITL 2 REGULATOR FUR REVEALS THREE FUNCTIONAL METAL BINDING SITES.  
JRNL        REF    MOL.MICROBIOL.                V.  79  1260 2011              
JRNL        REFN                   ISSN 0950-382X                               
JRNL        PMID   21208302                                                     
JRNL        DOI    10.1111/J.1365-2958.2010.07517.X                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.85 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN             
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.850                          
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.097                         
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.96                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.40                          
REMARK   3   NUMBER OF REFLECTIONS             : 99642                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.1999                          
REMARK   3   R VALUE            (WORKING SET) : 0.1981                          
REMARK   3   FREE R VALUE                     : 0.2339                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.1                             
REMARK   3   FREE R VALUE TEST SET COUNT      : 5032                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 35.1029 -  3.9840    0.89     9129   445  0.1724 0.1864        
REMARK   3     2  3.9840 -  3.1628    0.92     9350   533  0.1698 0.2028        
REMARK   3     3  3.1628 -  2.7632    0.93     9503   578  0.1951 0.2292        
REMARK   3     4  2.7632 -  2.5107    0.93     9519   495  0.2054 0.2689        
REMARK   3     5  2.5107 -  2.3307    0.93     9569   486  0.2102 0.2292        
REMARK   3     6  2.3307 -  2.1934    0.93     9482   487  0.2094 0.2717        
REMARK   3     7  2.1934 -  2.0835    0.93     9586   502  0.2169 0.2714        
REMARK   3     8  2.0835 -  1.9928    0.93     9534   435  0.2210 0.2610        
REMARK   3     9  1.9928 -  1.9161    0.93     9541   517  0.2474 0.3075        
REMARK   3    10  1.9161 -  1.8500    0.93     9397   554  0.2821 0.3119        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.386                                         
REMARK   3   B_SOL              : 59.921                                        
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.21             
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.93            
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.58                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 35.66                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 5.3609                                               
REMARK   3    B22 (A**2) : 4.5069                                               
REMARK   3    B33 (A**2) : -9.8678                                              
REMARK   3    B12 (A**2) : 3.9897                                               
REMARK   3    B13 (A**2) : -2.2187                                              
REMARK   3    B23 (A**2) : -2.4059                                              
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.005           4888                                  
REMARK   3   ANGLE     :  0.870           6564                                  
REMARK   3   CHIRALITY :  0.061            733                                  
REMARK   3   PLANARITY :  0.003            843                                  
REMARK   3   DIHEDRAL  : 17.233           1870                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A OR CHAIN B                                     
REMARK   3    ORIGIN FOR THE GROUP (A):  23.9312   1.9482  61.3133              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1625 T22:   0.1835                                     
REMARK   3      T33:   0.1326 T12:   0.0168                                     
REMARK   3      T13:  -0.0233 T23:  -0.0237                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.2804 L22:   0.7015                                     
REMARK   3      L33:   0.9156 L12:   0.2716                                     
REMARK   3      L13:   0.2208 L23:  -0.0112                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1085 S12:   0.0553 S13:   0.0170                       
REMARK   3      S21:   0.0681 S22:  -0.0016 S23:  -0.0027                       
REMARK   3      S31:   0.1686 S32:   0.1168 S33:  -0.0959                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN C OR CHAIN D                                     
REMARK   3    ORIGIN FOR THE GROUP (A):  25.7169   3.7810  31.1190              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1346 T22:   0.1069                                     
REMARK   3      T33:   0.1159 T12:   0.0203                                     
REMARK   3      T13:   0.0146 T23:  -0.0063                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4660 L22:   0.3443                                     
REMARK   3      L33:   0.5683 L12:   0.0270                                     
REMARK   3      L13:   0.1011 L23:   0.0622                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0450 S12:   0.0109 S13:   0.0039                       
REMARK   3      S21:  -0.0394 S22:   0.0370 S23:  -0.0190                       
REMARK   3      S31:   0.1382 S32:   0.1003 S33:  -0.0640                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2XIG COMPLIES WITH FORMAT V. 3.20, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-JUN-10.                  
REMARK 100 THE PDBE ID CODE IS EBI-44398.                                       
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9762                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC (QUANTUM 315R)                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 51362                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.85                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.96                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 6.0                                
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.2                               
REMARK 200  DATA REDUNDANCY                : 4.1                                
REMARK 200  R MERGE                    (I) : 0.10                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.50                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.95                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.1                                
REMARK 200  R MERGE FOR SHELL          (I) : 0.39                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.80                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: ZN-SAD MODEL AT 2.15A                                
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HPFUR2M PRE-LOADED WITH ZINC             
REMARK 280  (2 EQ) AT 30 MG/ML WAS CRYSTALLIZED FROM 20% PEG 3350,              
REMARK 280  100 MM NA CITRATE                                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 9140 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 29820 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.7 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2790 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16250 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.5 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2930 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16990 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.1 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED RESIDUE IN CHAIN A, CYS  78 TO SER                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN B, CYS  78 TO SER                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN C, CYS  78 TO SER                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN D, CYS  78 TO SER                        
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     LEU A    23                                                      
REMARK 465     LYS A    24                                                      
REMARK 465     GLU A   149                                                      
REMARK 465     SER A   150                                                      
REMARK 465     GLU B   149                                                      
REMARK 465     SER B   150                                                      
REMARK 465     GLU D   149                                                      
REMARK 465     SER D   150                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A   2    CG   CD   CE   NZ                                   
REMARK 470     ILE A  18    CG1  CG2  CD1                                       
REMARK 470     LYS A  19    CG   CD   CE   NZ                                   
REMARK 470     ASN A  25    CG   OD1  ND2                                       
REMARK 470     LYS A  27    CD   CE   NZ                                        
REMARK 470     GLU A  46    CD   OE1  OE2                                       
REMARK 470     LYS A  55    CG   CD   CE   NZ                                   
REMARK 470     LYS A  57    CG   CD   CE   NZ                                   
REMARK 470     LYS A  73    CE   NZ                                             
REMARK 470     LYS A  84    CG   CD   CE   NZ                                   
REMARK 470     LYS A 125    CG   CD   CE   NZ                                   
REMARK 470     LYS B   2    CG   CD   CE   NZ                                   
REMARK 470     LYS B  19    CG   CD   CE   NZ                                   
REMARK 470     LYS B  73    CG   CD   CE   NZ                                   
REMARK 470     SER B  78    OG                                                  
REMARK 470     LYS B  84    CG   CD   CE   NZ                                   
REMARK 470     LYS B 126    CG   CD   CE   NZ                                   
REMARK 470     LYS C   2    CG   CD   CE   NZ                                   
REMARK 470     LYS C  24    CG   CD   CE   NZ                                   
REMARK 470     LYS C  27    CD   CE   NZ                                        
REMARK 470     LYS C  55    CG   CD   CE   NZ                                   
REMARK 470     LYS D  19    CG   CD   CE   NZ                                   
REMARK 470     LYS D  24    CE   NZ                                             
REMARK 470     LYS D  27    CG   CD   CE   NZ                                   
REMARK 470     LYS D  55    CG   CD   CE   NZ                                   
REMARK 470     LYS D  84    CG   CD   CE   NZ                                   
REMARK 470     LYS D 125    CG   CD   CE   NZ                                   
REMARK 470     LYS D 126    CE   NZ                                             
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 B  83     -157.17   -144.18                                   
REMARK 500    THR C  41     -164.38   -129.76                                   
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 A1149  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  98   OD1                                                    
REMARK 620 2 HIS A 134   NE2  93.7                                              
REMARK 620 3 ASP A  98   OD2  53.8 140.0                                        
REMARK 620 4 HIS A  96   NE2  91.2  94.8 107.1                                  
REMARK 620 5 GLU A 117   OE2 144.8 116.6  91.1 103.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN D1149  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS D 145   SG                                                     
REMARK 620 2 CYS D 102   SG  113.2                                              
REMARK 620 3 CYS D 105   SG  106.8 107.6                                        
REMARK 620 4 CYS D 142   SG  102.8 111.2 115.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A1150  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  90   OE1                                                    
REMARK 620 2 HIS A  99   NE2  98.1                                              
REMARK 620 3 HIS A  42   NE2 103.5 101.4                                        
REMARK 620 4 GLU A  90   OE2  55.4 153.5  88.0                                  
REMARK 620 5 HIS A  97   NE2 104.5  91.4 147.1  93.8                            
REMARK 620 6 GLU A 110   OE2 135.0 126.8  73.1  79.6  75.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B1150  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B  90   OE1                                                    
REMARK 620 2 GLU B  90   OE2  57.3                                              
REMARK 620 3 HIS B  42   NE2  85.4  98.6                                        
REMARK 620 4 HIS B  97   NE2  89.3 122.9 125.7                                  
REMARK 620 5 HIS B  99   NE2 153.0  96.4 106.1 102.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN D1150  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP D  98   OD1                                                    
REMARK 620 2 ASP D  98   OD2  53.7                                              
REMARK 620 3 GLU D 117   OE2 142.0  89.2                                        
REMARK 620 4 HIS D 134   NE2  85.4 126.7 116.6                                  
REMARK 620 5 HIS D  96   NE2  91.7 113.4 113.2  98.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A1151  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 145   SG                                                     
REMARK 620 2 CYS A 102   SG  109.8                                              
REMARK 620 3 CYS A 142   SG  107.7 112.9                                        
REMARK 620 4 CYS A 105   SG  104.4 106.7 115.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B1151  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  96   NE2                                                    
REMARK 620 2 ASP B  98   OD1 112.3                                              
REMARK 620 3 ASP B  98   OD2  94.0  53.2                                        
REMARK 620 4 GLU B 117   OE1 105.5  87.0 140.1                                  
REMARK 620 5 HIS B 134   NE2  97.2 131.1  88.0 122.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN C1151  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  42   NE2                                                    
REMARK 620 2 GLU C  90   OE1  87.3                                              
REMARK 620 3 GLU C  90   OE2  98.9  55.7                                        
REMARK 620 4 HIS C  97   NE2 141.4  88.2 109.8                                  
REMARK 620 5 HIS C  99   NE2  99.5 160.3 104.8  97.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN D1151  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  99   NE2                                                    
REMARK 620 2 GLU D  90   OE2 107.2                                              
REMARK 620 3 HIS D  97   NE2  98.9 118.7                                        
REMARK 620 4 HIS D  42   NE2 100.8 100.6 127.7                                  
REMARK 620 5 GLU D  90   OE1 162.7  55.5  89.6  85.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B1152  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 142   SG                                                     
REMARK 620 2 CYS B 102   SG  103.2                                              
REMARK 620 3 CYS B 105   SG  118.5 113.0                                        
REMARK 620 4 CYS B 145   SG  103.0 115.8 103.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN C1152  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS C 105   SG                                                     
REMARK 620 2 CYS C 142   SG  112.3                                              
REMARK 620 3 CYS C 102   SG  109.6 109.6                                        
REMARK 620 4 CYS C 145   SG  104.3 108.6 112.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN C1153  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP C  98   OD2                                                    
REMARK 620 2 HIS C  96   NE2 109.7                                              
REMARK 620 3 GLU C 117   OE2  87.9 106.4                                        
REMARK 620 4 ASP C  98   OD1  55.2  92.0 142.9                                  
REMARK 620 5 HIS C 134   NE2 135.7  98.7 116.3  91.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT B1149                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN A1149                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN B1150                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN C1151                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN A1150                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN B1151                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN C1152                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN B1152                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN D1149                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN C1153                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN D1150                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN D1151                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  ZN A1151                 
DBREF  2XIG A    1   150  UNP    O25671   FUR_HELPY        1    150             
DBREF  2XIG B    1   150  UNP    O25671   FUR_HELPY        1    150             
DBREF  2XIG C    1   150  UNP    O25671   FUR_HELPY        1    150             
DBREF  2XIG D    1   150  UNP    O25671   FUR_HELPY        1    150             
SEQADV 2XIG SER A   78  UNP  O25671    CYS    78 ENGINEERED MUTATION            
SEQADV 2XIG SER A  150  UNP  O25671    CYS   150 ENGINEERED MUTATION            
SEQADV 2XIG SER B   78  UNP  O25671    CYS    78 ENGINEERED MUTATION            
SEQADV 2XIG SER B  150  UNP  O25671    CYS   150 ENGINEERED MUTATION            
SEQADV 2XIG SER C   78  UNP  O25671    CYS    78 ENGINEERED MUTATION            
SEQADV 2XIG SER C  150  UNP  O25671    CYS   150 ENGINEERED MUTATION            
SEQADV 2XIG SER D   78  UNP  O25671    CYS    78 ENGINEERED MUTATION            
SEQADV 2XIG SER D  150  UNP  O25671    CYS   150 ENGINEERED MUTATION            
SEQRES   1 A  150  MET LYS ARG LEU GLU THR LEU GLU SER ILE LEU GLU ARG          
SEQRES   2 A  150  LEU ARG MET SER ILE LYS LYS ASN GLY LEU LYS ASN SER          
SEQRES   3 A  150  LYS GLN ARG GLU GLU VAL VAL SER VAL LEU TYR ARG SER          
SEQRES   4 A  150  GLY THR HIS LEU SER PRO GLU GLU ILE THR HIS SER ILE          
SEQRES   5 A  150  ARG GLN LYS ASP LYS ASN THR SER ILE SER SER VAL TYR          
SEQRES   6 A  150  ARG ILE LEU ASN PHE LEU GLU LYS GLU ASN PHE ILE SER          
SEQRES   7 A  150  VAL LEU GLU THR SER LYS SER GLY ARG ARG TYR GLU ILE          
SEQRES   8 A  150  ALA ALA LYS GLU HIS HIS ASP HIS ILE ILE CYS LEU HIS          
SEQRES   9 A  150  CYS GLY LYS ILE ILE GLU PHE ALA ASP PRO GLU ILE GLU          
SEQRES  10 A  150  ASN ARG GLN ASN GLU VAL VAL LYS LYS TYR GLN ALA LYS          
SEQRES  11 A  150  LEU ILE SER HIS ASP MET LYS MET PHE VAL TRP CYS LYS          
SEQRES  12 A  150  GLU CYS GLN GLU SER GLU SER                                  
SEQRES   1 B  150  MET LYS ARG LEU GLU THR LEU GLU SER ILE LEU GLU ARG          
SEQRES   2 B  150  LEU ARG MET SER ILE LYS LYS ASN GLY LEU LYS ASN SER          
SEQRES   3 B  150  LYS GLN ARG GLU GLU VAL VAL SER VAL LEU TYR ARG SER          
SEQRES   4 B  150  GLY THR HIS LEU SER PRO GLU GLU ILE THR HIS SER ILE          
SEQRES   5 B  150  ARG GLN LYS ASP LYS ASN THR SER ILE SER SER VAL TYR          
SEQRES   6 B  150  ARG ILE LEU ASN PHE LEU GLU LYS GLU ASN PHE ILE SER          
SEQRES   7 B  150  VAL LEU GLU THR SER LYS SER GLY ARG ARG TYR GLU ILE          
SEQRES   8 B  150  ALA ALA LYS GLU HIS HIS ASP HIS ILE ILE CYS LEU HIS          
SEQRES   9 B  150  CYS GLY LYS ILE ILE GLU PHE ALA ASP PRO GLU ILE GLU          
SEQRES  10 B  150  ASN ARG GLN ASN GLU VAL VAL LYS LYS TYR GLN ALA LYS          
SEQRES  11 B  150  LEU ILE SER HIS ASP MET LYS MET PHE VAL TRP CYS LYS          
SEQRES  12 B  150  GLU CYS GLN GLU SER GLU SER                                  
SEQRES   1 C  150  MET LYS ARG LEU GLU THR LEU GLU SER ILE LEU GLU ARG          
SEQRES   2 C  150  LEU ARG MET SER ILE LYS LYS ASN GLY LEU LYS ASN SER          
SEQRES   3 C  150  LYS GLN ARG GLU GLU VAL VAL SER VAL LEU TYR ARG SER          
SEQRES   4 C  150  GLY THR HIS LEU SER PRO GLU GLU ILE THR HIS SER ILE          
SEQRES   5 C  150  ARG GLN LYS ASP LYS ASN THR SER ILE SER SER VAL TYR          
SEQRES   6 C  150  ARG ILE LEU ASN PHE LEU GLU LYS GLU ASN PHE ILE SER          
SEQRES   7 C  150  VAL LEU GLU THR SER LYS SER GLY ARG ARG TYR GLU ILE          
SEQRES   8 C  150  ALA ALA LYS GLU HIS HIS ASP HIS ILE ILE CYS LEU HIS          
SEQRES   9 C  150  CYS GLY LYS ILE ILE GLU PHE ALA ASP PRO GLU ILE GLU          
SEQRES  10 C  150  ASN ARG GLN ASN GLU VAL VAL LYS LYS TYR GLN ALA LYS          
SEQRES  11 C  150  LEU ILE SER HIS ASP MET LYS MET PHE VAL TRP CYS LYS          
SEQRES  12 C  150  GLU CYS GLN GLU SER GLU SER                                  
SEQRES   1 D  150  MET LYS ARG LEU GLU THR LEU GLU SER ILE LEU GLU ARG          
SEQRES   2 D  150  LEU ARG MET SER ILE LYS LYS ASN GLY LEU LYS ASN SER          
SEQRES   3 D  150  LYS GLN ARG GLU GLU VAL VAL SER VAL LEU TYR ARG SER          
SEQRES   4 D  150  GLY THR HIS LEU SER PRO GLU GLU ILE THR HIS SER ILE          
SEQRES   5 D  150  ARG GLN LYS ASP LYS ASN THR SER ILE SER SER VAL TYR          
SEQRES   6 D  150  ARG ILE LEU ASN PHE LEU GLU LYS GLU ASN PHE ILE SER          
SEQRES   7 D  150  VAL LEU GLU THR SER LYS SER GLY ARG ARG TYR GLU ILE          
SEQRES   8 D  150  ALA ALA LYS GLU HIS HIS ASP HIS ILE ILE CYS LEU HIS          
SEQRES   9 D  150  CYS GLY LYS ILE ILE GLU PHE ALA ASP PRO GLU ILE GLU          
SEQRES  10 D  150  ASN ARG GLN ASN GLU VAL VAL LYS LYS TYR GLN ALA LYS          
SEQRES  11 D  150  LEU ILE SER HIS ASP MET LYS MET PHE VAL TRP CYS LYS          
SEQRES  12 D  150  GLU CYS GLN GLU SER GLU SER                                  
HET    CIT  B1149      13                                                       
HET     ZN  A1149       1                                                       
HET     ZN  B1150       1                                                       
HET     ZN  C1151       1                                                       
HET     ZN  A1150       1                                                       
HET     ZN  B1151       1                                                       
HET     ZN  C1152       1                                                       
HET     ZN  B1152       1                                                       
HET     ZN  D1149       1                                                       
HET     ZN  C1153       1                                                       
HET     ZN  D1150       1                                                       
HET     ZN  D1151       1                                                       
HET     ZN  A1151       1                                                       
HETNAM     CIT CITRIC ACID                                                      
HETNAM      ZN ZINC ION                                                         
FORMUL   5  CIT    C6 H8 O7                                                     
FORMUL   6   ZN    12(ZN 2+)                                                    
FORMUL   7  HOH   *377(H2 O)                                                    
HELIX    1   1 THR A    6  ASN A   21  1                                  16    
HELIX    2   2 ASN A   25  SER A   39  1                                  15    
HELIX    3   3 SER A   44  ASP A   56  1                                  13    
HELIX    4   4 SER A   60  GLU A   74  1                                  15    
HELIX    5   5 ASP A  113  LYS A  126  1                                  14    
HELIX    6   6 CYS A  142  GLU A  147  1                                   6    
HELIX    7   7 THR B    6  GLY B   22  1                                  17    
HELIX    8   8 ASN B   25  GLY B   40  1                                  16    
HELIX    9   9 SER B   44  GLN B   54  1                                  11    
HELIX   10  10 SER B   60  GLU B   74  1                                  15    
HELIX   11  11 ASP B  113  LYS B  126  1                                  14    
HELIX   12  12 CYS B  142  SER B  148  1                                   7    
HELIX   13  13 THR C    6  ASN C   21  1                                  16    
HELIX   14  14 SER C   26  SER C   39  1                                  14    
HELIX   15  15 SER C   44  ARG C   53  1                                  10    
HELIX   16  16 SER C   60  GLU C   74  1                                  15    
HELIX   17  17 ASP C  113  TYR C  127  1                                  15    
HELIX   18  18 CYS C  142  GLU C  147  1                                   6    
HELIX   19  19 THR D    6  ASN D   21  1                                  16    
HELIX   20  20 SER D   26  SER D   39  1                                  14    
HELIX   21  21 SER D   44  ARG D   53  1                                  10    
HELIX   22  22 SER D   60  GLU D   74  1                                  15    
HELIX   23  23 ASP D  113  TYR D  127  1                                  15    
HELIX   24  24 CYS D  142  SER D  148  1                                   7    
SHEET    1  AA 2 ILE A  77  THR A  82  0                                        
SHEET    2  AA 2 GLY A  86  ILE A  91 -1  O  GLY A  86   N  THR A  82           
SHEET    1  AB 6 ILE A 108  PHE A 111  0                                        
SHEET    2  AB 6 ASP A  98  CYS A 102 -1  O  ASP A  98   N  PHE A 111           
SHEET    3  AB 6 LYS A 130  TRP A 141  1  O  MET A 136   N  HIS A  99           
SHEET    4  AB 6 LYS B 130  TRP B 141 -1  O  LYS B 130   N  TRP A 141           
SHEET    5  AB 6 ASP B  98  CYS B 102  1  O  HIS B  99   N  MET B 138           
SHEET    6  AB 6 ILE B 108  PHE B 111 -1  O  ILE B 109   N  ILE B 100           
SHEET    1  BA 2 ILE B  77  GLU B  81  0                                        
SHEET    2  BA 2 ARG B  87  ILE B  91 -1  O  ARG B  88   N  LEU B  80           
SHEET    1  CA 2 ILE C  77  THR C  82  0                                        
SHEET    2  CA 2 GLY C  86  ILE C  91 -1  O  GLY C  86   N  THR C  82           
SHEET    1  CB 6 ILE C 108  PHE C 111  0                                        
SHEET    2  CB 6 ASP C  98  CYS C 102 -1  O  ASP C  98   N  PHE C 111           
SHEET    3  CB 6 LYS C 130  TRP C 141  1  O  MET C 136   N  HIS C  99           
SHEET    4  CB 6 LYS D 130  TRP D 141 -1  O  LYS D 130   N  TRP C 141           
SHEET    5  CB 6 ASP D  98  CYS D 102  1  O  HIS D  99   N  MET D 138           
SHEET    6  CB 6 ILE D 108  PHE D 111 -1  O  ILE D 109   N  ILE D 100           
SHEET    1  DA 2 ILE D  77  GLU D  81  0                                        
SHEET    2  DA 2 ARG D  87  ILE D  91 -1  O  ARG D  88   N  LEU D  80           
LINK        ZN    ZN A1149                 OD1 ASP A  98     1555   1555  2.62  
LINK        ZN    ZN A1149                 NE2 HIS A 134     1555   1555  2.14  
LINK        ZN    ZN A1149                 OD2 ASP A  98     1555   1555  2.12  
LINK        ZN    ZN A1149                 NE2 HIS A  96     1555   1555  2.08  
LINK        ZN    ZN A1149                 OE2 GLU A 117     1555   1555  2.15  
LINK        ZN    ZN A1150                 OE1 GLU A  90     1555   1555  2.26  
LINK        ZN    ZN A1150                 NE2 HIS A  99     1555   1555  2.19  
LINK        ZN    ZN A1150                 NE2 HIS A  42     1555   1555  2.14  
LINK        ZN    ZN A1150                 OE2 GLU A  90     1555   1555  2.46  
LINK        ZN    ZN A1150                 NE2 HIS A  97     1555   1555  2.16  
LINK        ZN    ZN A1150                 OE2 GLU A 110     1555   1555  2.64  
LINK        ZN    ZN A1151                 SG  CYS A 145     1555   1555  2.35  
LINK        ZN    ZN A1151                 SG  CYS A 102     1555   1555  2.38  
LINK        ZN    ZN A1151                 SG  CYS A 142     1555   1555  2.37  
LINK        ZN    ZN A1151                 SG  CYS A 105     1555   1555  2.31  
LINK        ZN    ZN B1150                 OE1 GLU B  90     1555   1555  2.44  
LINK        ZN    ZN B1150                 OE2 GLU B  90     1555   1555  2.13  
LINK        ZN    ZN B1150                 NE2 HIS B  42     1555   1555  2.10  
LINK        ZN    ZN B1150                 NE2 HIS B  97     1555   1555  2.11  
LINK        ZN    ZN B1150                 NE2 HIS B  99     1555   1555  2.21  
LINK        ZN    ZN B1151                 NE2 HIS B  96     1555   1555  2.11  
LINK        ZN    ZN B1151                 OD1 ASP B  98     1555   1555  2.17  
LINK        ZN    ZN B1151                 OD2 ASP B  98     1555   1555  2.66  
LINK        ZN    ZN B1151                 OE1 GLU B 117     1555   1555  2.11  
LINK        ZN    ZN B1151                 NE2 HIS B 134     1555   1555  2.11  
LINK        ZN    ZN B1152                 SG  CYS B 102     1555   1555  2.33  
LINK        ZN    ZN B1152                 SG  CYS B 142     1555   1555  2.18  
LINK        ZN    ZN B1152                 SG  CYS B 145     1555   1555  2.40  
LINK        ZN    ZN B1152                 SG  CYS B 105     1555   1555  2.41  
LINK        ZN    ZN C1151                 OE2 GLU C  90     1555   1555  2.04  
LINK        ZN    ZN C1151                 OE1 GLU C  90     1555   1555  2.57  
LINK        ZN    ZN C1151                 NE2 HIS C  97     1555   1555  2.10  
LINK        ZN    ZN C1151                 NE2 HIS C  99     1555   1555  2.10  
LINK        ZN    ZN C1151                 NE2 HIS C  42     1555   1555  2.18  
LINK        ZN    ZN C1152                 SG  CYS C 105     1555   1555  2.33  
LINK        ZN    ZN C1152                 SG  CYS C 142     1555   1555  2.45  
LINK        ZN    ZN C1152                 SG  CYS C 102     1555   1555  2.38  
LINK        ZN    ZN C1152                 SG  CYS C 145     1555   1555  2.38  
LINK        ZN    ZN C1153                 NE2 HIS C 134     1555   1555  2.04  
LINK        ZN    ZN C1153                 OD1 ASP C  98     1555   1555  2.53  
LINK        ZN    ZN C1153                 OE2 GLU C 117     1555   1555  2.02  
LINK        ZN    ZN C1153                 NE2 HIS C  96     1555   1555  2.14  
LINK        ZN    ZN C1153                 OD2 ASP C  98     1555   1555  2.14  
LINK        ZN    ZN D1149                 SG  CYS D 145     1555   1555  2.39  
LINK        ZN    ZN D1149                 SG  CYS D 142     1555   1555  2.37  
LINK        ZN    ZN D1149                 SG  CYS D 105     1555   1555  2.28  
LINK        ZN    ZN D1149                 SG  CYS D 102     1555   1555  2.42  
LINK        ZN    ZN D1150                 NE2 HIS D  96     1555   1555  2.06  
LINK        ZN    ZN D1150                 NE2 HIS D 134     1555   1555  2.12  
LINK        ZN    ZN D1150                 OE2 GLU D 117     1555   1555  2.10  
LINK        ZN    ZN D1150                 OD2 ASP D  98     1555   1555  2.09  
LINK        ZN    ZN D1150                 OD1 ASP D  98     1555   1555  2.66  
LINK        ZN    ZN D1151                 OE1 GLU D  90     1555   1555  2.54  
LINK        ZN    ZN D1151                 NE2 HIS D  42     1555   1555  2.05  
LINK        ZN    ZN D1151                 NE2 HIS D  97     1555   1555  2.08  
LINK        ZN    ZN D1151                 OE2 GLU D  90     1555   1555  2.09  
LINK        ZN    ZN D1151                 NE2 HIS D  99     1555   1555  2.10  
SITE     1 AC1  8 LEU B  23  LYS B  24  ASN B  25  ARG B  29                    
SITE     2 AC1  8 ARG B  66  HOH B2054  ARG D  66  ASN D  69                    
SITE     1 AC2  4 HIS A  96  ASP A  98  GLU A 117  HIS A 134                    
SITE     1 AC3  4 HIS B  42  GLU B  90  HIS B  97  HIS B  99                    
SITE     1 AC4  4 HIS C  42  GLU C  90  HIS C  97  HIS C  99                    
SITE     1 AC5  5 HIS A  42  GLU A  90  HIS A  97  HIS A  99                    
SITE     2 AC5  5 GLU A 110                                                     
SITE     1 AC6  4 HIS B  96  ASP B  98  GLU B 117  HIS B 134                    
SITE     1 AC7  4 CYS C 102  CYS C 105  CYS C 142  CYS C 145                    
SITE     1 AC8  4 CYS B 102  CYS B 105  CYS B 142  CYS B 145                    
SITE     1 AC9  4 CYS D 102  CYS D 105  CYS D 142  CYS D 145                    
SITE     1 BC1  4 HIS C  96  ASP C  98  GLU C 117  HIS C 134                    
SITE     1 BC2  4 HIS D  96  ASP D  98  GLU D 117  HIS D 134                    
SITE     1 BC3  4 HIS D  42  GLU D  90  HIS D  97  HIS D  99                    
SITE     1 BC4  4 CYS A 102  CYS A 105  CYS A 142  CYS A 145                    
CRYST1   48.150   48.290   72.250  83.32  77.82  87.65 P 1           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      0.020768 -0.000852 -0.004416        0.00000                         
SCALE2      0.000000  0.020726 -0.002299        0.00000                         
SCALE3      0.000000  0.000000  0.014246        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system