HEADER    HYDROLASE (PHOSPHORIC MONOESTER)        23-AUG-94   1ALH              
TITLE     KINETICS AND CRYSTAL STRUCTURE OF A MUTANT E. COLI ALKALINE           
TITLE    2 PHOSPHATASE (ASP-369-->ASN): A MECHANISM INVOLVING ONE ZINC PER      
TITLE    3 ACTIVE SITE                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALKALINE PHOSPHATASE;                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.1.3.1;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 CELL_LINE: SM547;                                                    
SOURCE   5 GENE: PHOA;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: SM547;                                     
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PEK209;                                   
SOURCE  10 EXPRESSION_SYSTEM_GENE: PHOA                                         
KEYWDS    HYDROLASE (PHOSPHORIC MONOESTER)                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.T.TIBBITTS,X.XU,E.R.KANTROWITZ                                      
REVDAT   4   23-OCT-24 1ALH    1       REMARK                                   
REVDAT   3   05-JUN-24 1ALH    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1ALH    1       VERSN                                    
REVDAT   1   27-FEB-95 1ALH    0                                                
JRNL        AUTH   T.T.TIBBITTS,X.XU,E.R.KANTROWITZ                             
JRNL        TITL   KINETICS AND CRYSTAL STRUCTURE OF A MUTANT ESCHERICHIA COLI  
JRNL        TITL 2 ALKALINE PHOSPHATASE (ASP-369-->ASN): A MECHANISM INVOLVING  
JRNL        TITL 3 ONE ZINC PER ACTIVE SITE.                                    
JRNL        REF    PROTEIN SCI.                  V.   3  2005 1994              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   7703848                                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   E.E.KIM,H.W.WYCKOFF                                          
REMARK   1  TITL   REACTION MECHANISM OF ALKALINE PHOSPHATASE BASED ON CRYSTAL  
REMARK   1  TITL 2 STRUCTURES. TWO METAL ION CATALYSIS                          
REMARK   1  REF    J.MOL.BIOL.                   V. 218   449 1991              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
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             : 42809                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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            : 6562                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 22                                      
REMARK   3   SOLVENT ATOMS            : 298                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.00                          
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) : NULL                            
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:                                           
REMARK   3  THE DENSITY IS VERY WEAK OR ABSENT FOR RESIDUES 1, 2, 3,            
REMARK   3  293, AND 408.  THEREFORE RESIDUES 1 - 3 ARE OMITTED, AND            
REMARK   3  THE ATOMIC COORDINATES LISTED FOR RESIDUES 293 AND 408 HAVE         
REMARK   3  A LARGE UNCERTAINTY.                                                
REMARK   4                                                                      
REMARK   4 1ALH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170964.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 42809                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
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   (%): 62.89                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.31                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
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        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       97.19600            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       83.62550            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       38.16000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       97.19600            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       83.62550            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       38.16000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       97.19600            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       83.62550            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       38.16000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       97.19600            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       83.62550            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       38.16000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 8590 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 26390 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -150.0 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500  HH21  ARG A    24     HG1  THR B    85              1.20            
REMARK 500   HG1  THR A    85    HH21  ARG B    24              1.35            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   587     O    HOH A   587     3656     0.59            
REMARK 500   O    HOH A   574     O    HOH A   574     3656     1.39            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS A  86   NE2   HIS A  86   CD2    -0.070                       
REMARK 500    HIS A 125   NE2   HIS A 125   CD2    -0.073                       
REMARK 500    HIS A 129   NE2   HIS A 129   CD2    -0.073                       
REMARK 500    HIS A 276   NE2   HIS A 276   CD2    -0.066                       
REMARK 500    HIS A 372   NE2   HIS A 372   CD2    -0.072                       
REMARK 500    HIS A 412   NE2   HIS A 412   CD2    -0.068                       
REMARK 500    HIS A 425   NE2   HIS A 425   CD2    -0.079                       
REMARK 500    HIS B  86   NE2   HIS B  86   CD2    -0.072                       
REMARK 500    HIS B 125   NE2   HIS B 125   CD2    -0.068                       
REMARK 500    HIS B 129   NE2   HIS B 129   CD2    -0.073                       
REMARK 500    HIS B 162   NE2   HIS B 162   CD2    -0.069                       
REMARK 500    HIS B 276   NE2   HIS B 276   CD2    -0.067                       
REMARK 500    HIS B 372   NE2   HIS B 372   CD2    -0.068                       
REMARK 500    HIS B 412   NE2   HIS B 412   CD2    -0.070                       
REMARK 500    HIS B 425   NE2   HIS B 425   CD2    -0.076                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    TYR A  84   CA  -  CB  -  CG  ANGL. DEV. =  12.2 DEGREES          
REMARK 500    TYR A  84   CB  -  CG  -  CD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    TYR A  84   CB  -  CG  -  CD1 ANGL. DEV. =   4.8 DEGREES          
REMARK 500    TRP A 109   CD1 -  CG  -  CD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    TRP A 109   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    TRP A 220   CD1 -  CG  -  CD2 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    TRP A 220   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    TRP A 268   CD1 -  CG  -  CD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    TRP A 268   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    TYR B  84   CA  -  CB  -  CG  ANGL. DEV. =  12.6 DEGREES          
REMARK 500    TYR B  84   CB  -  CG  -  CD2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    TYR B  84   CB  -  CG  -  CD1 ANGL. DEV. =   4.8 DEGREES          
REMARK 500    TRP B 109   CD1 -  CG  -  CD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    TRP B 109   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500    ARG B 199   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG B 199   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    TRP B 220   CD1 -  CG  -  CD2 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    TRP B 220   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    TRP B 268   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP B 268   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN A   9      110.73   -160.51                                   
REMARK 500    HIS A  86       37.56   -144.58                                   
REMARK 500    GLU A 126       15.73     59.07                                   
REMARK 500    ASN A 293      143.24     53.69                                   
REMARK 500    HIS A 372     -165.59   -126.35                                   
REMARK 500    ASP A 408      -65.30     40.00                                   
REMARK 500    HIS B  86       37.63   -143.51                                   
REMARK 500    GLU B 126       15.19     58.22                                   
REMARK 500    ASN B 293      142.95     55.83                                   
REMARK 500    HIS B 372     -165.92   -126.90                                   
REMARK 500    ASP B 408      -65.00     39.98                                   
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 450  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 327   OD1                                                    
REMARK 620 2 ASP A 327   OD2  52.7                                              
REMARK 620 3 HIS A 331   NE2 105.5  84.5                                        
REMARK 620 4 HIS A 412   NE2 115.3 167.6  97.5                                  
REMARK 620 5 PO4 A 453   O1  127.7  92.6 108.4  98.4                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 450  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 327   OD1                                                    
REMARK 620 2 ASP B 327   OD2  57.3                                              
REMARK 620 3 HIS B 331   NE2 108.9  87.1                                        
REMARK 620 4 HIS B 412   NE2 114.8 170.2  90.6                                  
REMARK 620 5 PO4 B 453   O1  130.9  91.8 106.1  98.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: A                                                   
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CATALYTICALLY ACTIVE SITE ON A SUBUNIT             
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: B                                                   
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CATALYTICALLY ACTIVE SITE ON B SUBUNIT             
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: A2A                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: SECOND ANION BINDING SITE (PO4/SO4) ON A SUBUNIT   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: A2B                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: SECOND ANION BINDING SITE (PO4/SO4) ON B SUBUNIT   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 450                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 453                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 454                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 450                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 453                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 454                 
DBREF  1ALH A    4   449  UNP    P00634   PPB_ECOLI       26    471             
DBREF  1ALH B    4   449  UNP    P00634   PPB_ECOLI       26    471             
SEQADV 1ALH GLU A  230  UNP  P00634    GLN   252 CONFLICT                       
SEQADV 1ALH ASN A  369  UNP  P00634    ASP   391 CONFLICT                       
SEQADV 1ALH GLU B  230  UNP  P00634    GLN   252 CONFLICT                       
SEQADV 1ALH ASN B  369  UNP  P00634    ASP   391 CONFLICT                       
SEQRES   1 A  446  MET PRO VAL LEU GLU ASN ARG ALA ALA GLN GLY ASP ILE          
SEQRES   2 A  446  THR ALA PRO GLY GLY ALA ARG ARG LEU THR GLY ASP GLN          
SEQRES   3 A  446  THR ALA ALA LEU ARG ASP SER LEU SER ASP LYS PRO ALA          
SEQRES   4 A  446  LYS ASN ILE ILE LEU LEU ILE GLY ASP GLY MET GLY ASP          
SEQRES   5 A  446  SER GLU ILE THR ALA ALA ARG ASN TYR ALA GLU GLY ALA          
SEQRES   6 A  446  GLY GLY PHE PHE LYS GLY ILE ASP ALA LEU PRO LEU THR          
SEQRES   7 A  446  GLY GLN TYR THR HIS TYR ALA LEU ASN LYS LYS THR GLY          
SEQRES   8 A  446  LYS PRO ASP TYR VAL THR ASP SER ALA ALA SER ALA THR          
SEQRES   9 A  446  ALA TRP SER THR GLY VAL LYS THR TYR ASN GLY ALA LEU          
SEQRES  10 A  446  GLY VAL ASP ILE HIS GLU LYS ASP HIS PRO THR ILE LEU          
SEQRES  11 A  446  GLU MET ALA LYS ALA ALA GLY LEU ALA THR GLY ASN VAL          
SEQRES  12 A  446  SER THR ALA GLU LEU GLN ASP ALA THR PRO ALA ALA LEU          
SEQRES  13 A  446  VAL ALA HIS VAL THR SER ARG LYS CYS TYR GLY PRO SER          
SEQRES  14 A  446  ALA THR SER GLU LYS CYS PRO GLY ASN ALA LEU GLU LYS          
SEQRES  15 A  446  GLY GLY LYS GLY SER ILE THR GLU GLN LEU LEU ASN ALA          
SEQRES  16 A  446  ARG ALA ASP VAL THR LEU GLY GLY GLY ALA LYS THR PHE          
SEQRES  17 A  446  ALA GLU THR ALA THR ALA GLY GLU TRP GLN GLY LYS THR          
SEQRES  18 A  446  LEU ARG GLU GLN ALA GLU ALA ARG GLY TYR GLN LEU VAL          
SEQRES  19 A  446  SER ASP ALA ALA SER LEU ASN SER VAL THR GLU ALA ASN          
SEQRES  20 A  446  GLN GLN LYS PRO LEU LEU GLY LEU PHE ALA ASP GLY ASN          
SEQRES  21 A  446  MET PRO VAL ARG TRP LEU GLY PRO LYS ALA THR TYR HIS          
SEQRES  22 A  446  GLY ASN ILE ASP LYS PRO ALA VAL THR CYS THR PRO ASN          
SEQRES  23 A  446  PRO GLN ARG ASN ASP SER VAL PRO THR LEU ALA GLN MET          
SEQRES  24 A  446  THR ASP LYS ALA ILE GLU LEU LEU SER LYS ASN GLU LYS          
SEQRES  25 A  446  GLY PHE PHE LEU GLN VAL GLU GLY ALA SER ILE ASP LYS          
SEQRES  26 A  446  GLN ASP HIS ALA ALA ASN PRO CYS GLY GLN ILE GLY GLU          
SEQRES  27 A  446  THR VAL ASP LEU ASP GLU ALA VAL GLN ARG ALA LEU GLU          
SEQRES  28 A  446  PHE ALA LYS LYS GLU GLY ASN THR LEU VAL ILE VAL THR          
SEQRES  29 A  446  ALA ASN HIS ALA HIS ALA SER GLN ILE VAL ALA PRO ASP          
SEQRES  30 A  446  THR LYS ALA PRO GLY LEU THR GLN ALA LEU ASN THR LYS          
SEQRES  31 A  446  ASP GLY ALA VAL MET VAL MET SER TYR GLY ASN SER GLU          
SEQRES  32 A  446  GLU ASP SER GLN GLU HIS THR GLY SER GLN LEU ARG ILE          
SEQRES  33 A  446  ALA ALA TYR GLY PRO HIS ALA ALA ASN VAL VAL GLY LEU          
SEQRES  34 A  446  THR ASP GLN THR ASP LEU PHE TYR THR MET LYS ALA ALA          
SEQRES  35 A  446  LEU GLY LEU LYS                                              
SEQRES   1 B  446  MET PRO VAL LEU GLU ASN ARG ALA ALA GLN GLY ASP ILE          
SEQRES   2 B  446  THR ALA PRO GLY GLY ALA ARG ARG LEU THR GLY ASP GLN          
SEQRES   3 B  446  THR ALA ALA LEU ARG ASP SER LEU SER ASP LYS PRO ALA          
SEQRES   4 B  446  LYS ASN ILE ILE LEU LEU ILE GLY ASP GLY MET GLY ASP          
SEQRES   5 B  446  SER GLU ILE THR ALA ALA ARG ASN TYR ALA GLU GLY ALA          
SEQRES   6 B  446  GLY GLY PHE PHE LYS GLY ILE ASP ALA LEU PRO LEU THR          
SEQRES   7 B  446  GLY GLN TYR THR HIS TYR ALA LEU ASN LYS LYS THR GLY          
SEQRES   8 B  446  LYS PRO ASP TYR VAL THR ASP SER ALA ALA SER ALA THR          
SEQRES   9 B  446  ALA TRP SER THR GLY VAL LYS THR TYR ASN GLY ALA LEU          
SEQRES  10 B  446  GLY VAL ASP ILE HIS GLU LYS ASP HIS PRO THR ILE LEU          
SEQRES  11 B  446  GLU MET ALA LYS ALA ALA GLY LEU ALA THR GLY ASN VAL          
SEQRES  12 B  446  SER THR ALA GLU LEU GLN ASP ALA THR PRO ALA ALA LEU          
SEQRES  13 B  446  VAL ALA HIS VAL THR SER ARG LYS CYS TYR GLY PRO SER          
SEQRES  14 B  446  ALA THR SER GLU LYS CYS PRO GLY ASN ALA LEU GLU LYS          
SEQRES  15 B  446  GLY GLY LYS GLY SER ILE THR GLU GLN LEU LEU ASN ALA          
SEQRES  16 B  446  ARG ALA ASP VAL THR LEU GLY GLY GLY ALA LYS THR PHE          
SEQRES  17 B  446  ALA GLU THR ALA THR ALA GLY GLU TRP GLN GLY LYS THR          
SEQRES  18 B  446  LEU ARG GLU GLN ALA GLU ALA ARG GLY TYR GLN LEU VAL          
SEQRES  19 B  446  SER ASP ALA ALA SER LEU ASN SER VAL THR GLU ALA ASN          
SEQRES  20 B  446  GLN GLN LYS PRO LEU LEU GLY LEU PHE ALA ASP GLY ASN          
SEQRES  21 B  446  MET PRO VAL ARG TRP LEU GLY PRO LYS ALA THR TYR HIS          
SEQRES  22 B  446  GLY ASN ILE ASP LYS PRO ALA VAL THR CYS THR PRO ASN          
SEQRES  23 B  446  PRO GLN ARG ASN ASP SER VAL PRO THR LEU ALA GLN MET          
SEQRES  24 B  446  THR ASP LYS ALA ILE GLU LEU LEU SER LYS ASN GLU LYS          
SEQRES  25 B  446  GLY PHE PHE LEU GLN VAL GLU GLY ALA SER ILE ASP LYS          
SEQRES  26 B  446  GLN ASP HIS ALA ALA ASN PRO CYS GLY GLN ILE GLY GLU          
SEQRES  27 B  446  THR VAL ASP LEU ASP GLU ALA VAL GLN ARG ALA LEU GLU          
SEQRES  28 B  446  PHE ALA LYS LYS GLU GLY ASN THR LEU VAL ILE VAL THR          
SEQRES  29 B  446  ALA ASN HIS ALA HIS ALA SER GLN ILE VAL ALA PRO ASP          
SEQRES  30 B  446  THR LYS ALA PRO GLY LEU THR GLN ALA LEU ASN THR LYS          
SEQRES  31 B  446  ASP GLY ALA VAL MET VAL MET SER TYR GLY ASN SER GLU          
SEQRES  32 B  446  GLU ASP SER GLN GLU HIS THR GLY SER GLN LEU ARG ILE          
SEQRES  33 B  446  ALA ALA TYR GLY PRO HIS ALA ALA ASN VAL VAL GLY LEU          
SEQRES  34 B  446  THR ASP GLN THR ASP LEU PHE TYR THR MET LYS ALA ALA          
SEQRES  35 B  446  LEU GLY LEU LYS                                              
HET     ZN  A 450       1                                                       
HET    PO4  A 453       5                                                       
HET    SO4  A 454       5                                                       
HET     ZN  B 450       1                                                       
HET    PO4  B 453       5                                                       
HET    SO4  B 454       5                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   4  PO4    2(O4 P 3-)                                                   
FORMUL   5  SO4    2(O4 S 2-)                                                   
FORMUL   9  HOH   *298(H2 O)                                                    
HELIX    1   1 GLN A   29  ASP A   35  1                                   7    
HELIX    2   2 GLY A   54  GLY A   67  1                                  14    
HELIX    3   3 GLY A   74  LEU A   78  5                                   5    
HELIX    4   4 ASP A  101  GLY A  112  1                                  12    
HELIX    5   5 THR A  131  ALA A  139  1                                   9    
HELIX    6   6 ASP A  153  ALA A  158  1                                   6    
HELIX    7   7 GLY A  170  CYS A  178  1                                   9    
HELIX    8   8 ALA A  182  GLY A  186  5                                   5    
HELIX    9   9 SER A  190  ARG A  199  1                                  10    
HELIX   10  10 ALA A  208  GLU A  213  5                                   6    
HELIX   11  11 THR A  224  ARG A  232  1                                   9    
HELIX   12  12 ASP A  239  VAL A  246  1                                   8    
HELIX   13  13 HIS A  276  LYS A  281  1                                   6    
HELIX   14  14 PRO A  290  ASN A  293  5                                   4    
HELIX   15  15 THR A  298  LYS A  312  1                                  15    
HELIX   16  16 ALA A  324  ALA A  332  1                                   9    
HELIX   17  17 ASN A  334  GLY A  360  1                                  27    
HELIX   18  18 HIS A  425  VAL A  430  5                                   6    
HELIX   19  19 GLN A  435  GLY A  447  1                                  13    
HELIX   20  20 GLN B   29  ASP B   35  1                                   7    
HELIX   21  21 GLY B   54  GLU B   66  1                                  13    
HELIX   22  22 GLY B   74  LEU B   78  5                                   5    
HELIX   23  23 ASP B  101  GLY B  112  1                                  12    
HELIX   24  24 THR B  131  ALA B  139  1                                   9    
HELIX   25  25 ASP B  153  ALA B  158  1                                   6    
HELIX   26  26 GLY B  170  CYS B  178  1                                   9    
HELIX   27  27 ALA B  182  GLY B  186  5                                   5    
HELIX   28  28 SER B  190  ARG B  199  1                                  10    
HELIX   29  29 ALA B  208  GLU B  213  5                                   6    
HELIX   30  30 THR B  224  GLY B  233  1                                  10    
HELIX   31  31 ASP B  239  VAL B  246  1                                   8    
HELIX   32  32 HIS B  276  LYS B  281  1                                   6    
HELIX   33  33 PRO B  290  ASN B  293  5                                   4    
HELIX   34  34 THR B  298  LYS B  312  1                                  15    
HELIX   35  35 ALA B  324  ALA B  332  1                                   9    
HELIX   36  36 ASN B  334  GLY B  360  1                                  27    
HELIX   37  37 HIS B  425  VAL B  430  5                                   6    
HELIX   38  38 GLN B  435  GLY B  447  1                                  13    
SHEET    1   A10 GLN A 235  VAL A 237  0                                        
SHEET    2   A10 LEU A 255  LEU A 258  1  N  LEU A 256   O  GLN A 235           
SHEET    3   A10 VAL A 202  GLY A 206  1  O  THR A 203   N  GLY A 257           
SHEET    4   A10 ALA A 142  GLU A 150  1  O  THR A 143   N  VAL A 202           
SHEET    5   A10 PHE A 317  GLY A 323  1  N  PHE A 318   O  ALA A 142           
SHEET    6   A10 ASN A  44  GLY A  50  1  N  ILE A  45   O  PHE A 317           
SHEET    7   A10 THR A 362  ALA A 368  1  O  LEU A 363   N  ILE A  46           
SHEET    8   A10 LEU A 417  TYR A 422 -1  O  ARG A 418   N  ALA A 368           
SHEET    9   A10 LEU A  80  THR A  85 -1  O  LEU A  80   N  ALA A 421           
SHEET   10   A10 GLY A 431  ASP A 434  1  O  GLY A 431   N  GLN A  83           
SHEET    1   B 2 ALA A  88  LEU A  89  0                                        
SHEET    2   B 2 PRO A  96  ASP A  97 -1  O  ASP A  97   N  ALA A  88           
SHEET    1   C 2 TRP A 268  LEU A 269  0                                        
SHEET    2   C 2 THR A 287  PRO A 288 -1  O  THR A 287   N  LEU A 269           
SHEET    1   D 4 THR A 274  TYR A 275  0                                        
SHEET    2   D 4 LEU A 386  ASN A 391 -1  N  THR A 387   O  THR A 274           
SHEET    3   D 4 VAL A 397  TYR A 402 -1  O  MET A 398   N  LEU A 390           
SHEET    4   D 4 GLN A 375  VAL A 377 -1  O  GLN A 375   N  SER A 401           
SHEET    1   E 2 ALA A 371  HIS A 372  0                                        
SHEET    2   E 2 HIS A 412  THR A 413 -1  N  THR A 413   O  ALA A 371           
SHEET    1   F10 GLN B 235  VAL B 237  0                                        
SHEET    2   F10 LEU B 255  LEU B 258  1  N  LEU B 256   O  GLN B 235           
SHEET    3   F10 VAL B 202  GLY B 206  1  O  THR B 203   N  GLY B 257           
SHEET    4   F10 ALA B 142  GLU B 150  1  O  THR B 143   N  VAL B 202           
SHEET    5   F10 PHE B 317  GLY B 323  1  N  PHE B 318   O  ALA B 142           
SHEET    6   F10 ASN B  44  GLY B  50  1  N  ILE B  45   O  PHE B 317           
SHEET    7   F10 THR B 362  ALA B 368  1  O  LEU B 363   N  ILE B  46           
SHEET    8   F10 LEU B 417  TYR B 422 -1  O  ARG B 418   N  ALA B 368           
SHEET    9   F10 LEU B  80  THR B  85 -1  O  LEU B  80   N  ALA B 421           
SHEET   10   F10 GLY B 431  ASP B 434  1  O  GLY B 431   N  GLN B  83           
SHEET    1   G 2 ALA B  88  LEU B  89  0                                        
SHEET    2   G 2 PRO B  96  ASP B  97 -1  O  ASP B  97   N  ALA B  88           
SHEET    1   H 2 TRP B 268  LEU B 269  0                                        
SHEET    2   H 2 THR B 287  PRO B 288 -1  O  THR B 287   N  LEU B 269           
SHEET    1   I 4 THR B 274  TYR B 275  0                                        
SHEET    2   I 4 LEU B 386  ASN B 391 -1  N  THR B 387   O  THR B 274           
SHEET    3   I 4 VAL B 397  TYR B 402 -1  O  MET B 398   N  LEU B 390           
SHEET    4   I 4 GLN B 375  VAL B 377 -1  O  GLN B 375   N  SER B 401           
SHEET    1   J 2 ALA B 371  HIS B 372  0                                        
SHEET    2   J 2 HIS B 412  THR B 413 -1  N  THR B 413   O  ALA B 371           
SSBOND   1 CYS A  168    CYS A  178                          1555   1555  2.01  
SSBOND   2 CYS A  286    CYS A  336                          1555   1555  2.01  
SSBOND   3 CYS B  168    CYS B  178                          1555   1555  2.01  
SSBOND   4 CYS B  286    CYS B  336                          1555   1555  2.02  
LINK         OD1 ASP A 327                ZN    ZN A 450     1555   1555  2.49  
LINK         OD2 ASP A 327                ZN    ZN A 450     1555   1555  2.37  
LINK         NE2 HIS A 331                ZN    ZN A 450     1555   1555  2.22  
LINK         NE2 HIS A 412                ZN    ZN A 450     1555   1555  2.41  
LINK        ZN    ZN A 450                 O1  PO4 A 453     1555   1555  1.95  
LINK         OD1 ASP B 327                ZN    ZN B 450     1555   1555  2.32  
LINK         OD2 ASP B 327                ZN    ZN B 450     1555   1555  2.17  
LINK         NE2 HIS B 331                ZN    ZN B 450     1555   1555  2.27  
LINK         NE2 HIS B 412                ZN    ZN B 450     1555   1555  2.56  
LINK        ZN    ZN B 450                 O1  PO4 B 453     1555   1555  2.02  
SITE     1   A 14 ASP A 327  HIS A 331  HIS A 412   ZN A 450                    
SITE     2   A 14 PO4 A 453  ASP A  51  ASN A 369  HIS A 370                    
SITE     3   A 14 THR A 155  GLU A 322  ASP A 153  LYS A 328                    
SITE     4   A 14 ARG A 166  SER A 102                                          
SITE     1   B 14 ASP B 327  HIS B 331  HIS B 412   ZN B 450                    
SITE     2   B 14 PO4 B 453  ASP B  51  ASN B 369  HIS B 370                    
SITE     3   B 14 THR B 155  GLU B 322  ASP B 153  LYS B 328                    
SITE     4   B 14 ARG B 166  SER B 102                                          
SITE     1 A2A  4 ARG A 267  ARG A 292  TRP A 268  SO4 A 454                    
SITE     1 A2B  4 ARG B 267  ARG B 292  TRP B 268  SO4 B 454                    
SITE     1 AC1  4 ASP A 327  HIS A 331  HIS A 412  PO4 A 453                    
SITE     1 AC2  7 ASP A 101  SER A 102  ARG A 166  ASP A 327                    
SITE     2 AC2  7 HIS A 331  HIS A 412   ZN A 450                               
SITE     1 AC3  3 ARG A 267  TRP A 268  ARG A 292                               
SITE     1 AC4  4 ASP B 327  HIS B 331  HIS B 412  PO4 B 453                    
SITE     1 AC5  7 ASP B 101  SER B 102  ARG B 166  ASP B 327                    
SITE     2 AC5  7 HIS B 331  HIS B 412   ZN B 450                               
SITE     1 AC6  4 ARG B 267  TRP B 268  PRO B 288  ARG B 292                    
CRYST1  194.392  167.251   76.320  90.00  90.00  90.00 I 2 2 2      16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.005144  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.005979  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013103        0.00000