HEADER    HYDROLASE                               10-FEB-98   1ELX              
TITLE     E. COLI ALKALINE PHOSPHATASE MUTANT (S102A)                           
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;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 OTHER_DETAILS: ENZYME INHIBITED WITH PHOSPHATE                       
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 STRAIN: SM547;                                                       
SOURCE   5 GENE: PHOA;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PEK305                                    
KEYWDS    ALKALINE PHOSPHATASE, HYDROLASE                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.STEC,M.HEHIR,C.BRENNAN,M.NOLTE,E.R.KANTROWITZ                       
REVDAT   6   30-OCT-24 1ELX    1       REMARK                                   
REVDAT   5   09-AUG-23 1ELX    1       REMARK                                   
REVDAT   4   03-NOV-21 1ELX    1       REMARK SEQADV LINK   ATOM                
REVDAT   3   16-NOV-11 1ELX    1       VERSN  HETATM                            
REVDAT   2   24-FEB-09 1ELX    1       VERSN                                    
REVDAT   1   27-MAY-98 1ELX    0                                                
JRNL        AUTH   B.STEC,M.J.HEHIR,C.BRENNAN,M.NOLTE,E.R.KANTROWITZ            
JRNL        TITL   KINETIC AND X-RAY STRUCTURAL STUDIES OF THREE MUTANT E. COLI 
JRNL        TITL 2 ALKALINE PHOSPHATASES: INSIGHTS INTO THE CATALYTIC MECHANISM 
JRNL        TITL 3 WITHOUT THE NUCLEOPHILE SER102.                              
JRNL        REF    J.MOL.BIOL.                   V. 277   647 1998              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   9533886                                                      
JRNL        DOI    10.1006/JMBI.1998.1635                                       
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.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 9.00                           
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)   (%) : 85.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 24868                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : IMPLOR-CYCLING TEST SETS        
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.158                           
REMARK   3   FREE R VALUE                     : 0.207                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4                               
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           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.64                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 85.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 504                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1940                       
REMARK   3   BIN FREE R VALUE                    : 0.2270                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 4                            
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            : 6606                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 16                                      
REMARK   3   SOLVENT ATOMS            : 605                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 12.76                          
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) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 9.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.017                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.000                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.800                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ALL ATOMS                                 
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; 2.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; 3.500                
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; 3.500                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; 3.500                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1ELX 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_1000173073.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JUL-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 292                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : XUONG-HAMLIN MULTIWIRE             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : SDMS                               
REMARK 200  DATA SCALING SOFTWARE          : SDMS                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32650                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 37.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.5                               
REMARK 200  DATA REDUNDANCY                : 2.500                              
REMARK 200  R MERGE                    (I) : 0.10200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.70                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.40100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: PDB ENTRY 1ALK                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.82                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25 MG/ML PROTEIN IN 39% SATURATING       
REMARK 280  (NH4)2SO4, 100 MM TRIS, 10 MM MGCL2 100 MM ZNCL2, 2 MM NAH2PO4      
REMARK 280  AT PH 7.5, EQUILIBRATED AGAINST 55% SATURATING (NH4)2SO4            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-Y,X,Z+1/2                                             
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z                                              
REMARK 290      10555   -Y,-X,-Z+1/2                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        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       69.44000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       69.44000            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       69.44000            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       69.44000            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       69.44000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       69.44000            
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: 8710 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27370 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -222.0 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 473  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 509  LIES ON A SPECIAL POSITION.                          
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 B   519     O    HOH B   519    10665     0.51            
REMARK 500   O    HOH B   571     O    HOH B   571    10665     0.64            
REMARK 500   O    HOH B   463     O    HOH B   754    10665     2.18            
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 331   CG    HIS A 331   CD2     0.055                       
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    GLY A  50   N   -  CA  -  C   ANGL. DEV. = -16.3 DEGREES          
REMARK 500    PRO A 290   C   -  N   -  CA  ANGL. DEV. =   9.1 DEGREES          
REMARK 500    GLY A 323   N   -  CA  -  C   ANGL. DEV. = -17.4 DEGREES          
REMARK 500    LEU B  48   CA  -  CB  -  CG  ANGL. DEV. =  13.8 DEGREES          
REMARK 500    PRO B 171   C   -  N   -  CA  ANGL. DEV. =   9.1 DEGREES          
REMARK 500    GLY B 323   N   -  CA  -  C   ANGL. DEV. = -16.5 DEGREES          
REMARK 500    PRO B 335   C   -  N   -  CA  ANGL. DEV. =   9.6 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    PRO A   2      102.40    -59.54                                   
REMARK 500    LEU A   7      103.22    -35.02                                   
REMARK 500    THR A  30      -60.22    -12.43                                   
REMARK 500    ASP A  35        3.52    -69.12                                   
REMARK 500    ALA A  88     -159.04    -98.85                                   
REMARK 500    ASP A 101     -167.24   -106.51                                   
REMARK 500    VAL A 160      -14.97   -143.45                                   
REMARK 500    TYR A 169      -87.57    -49.71                                   
REMARK 500    PRO A 171      -75.76    -30.60                                   
REMARK 500    LYS A 177      -24.56   -159.21                                   
REMARK 500    ALA A 249      107.65   -176.43                                   
REMARK 500    ARG A 292      107.38    -51.52                                   
REMARK 500    HIS A 372     -153.53   -126.48                                   
REMARK 500    GLN A 388      127.90   -178.05                                   
REMARK 500    SER A 405      127.42   -176.31                                   
REMARK 500    ASN A 428       10.04    -64.02                                   
REMARK 500    GLN A 435      -14.14    -48.89                                   
REMARK 500    LEU B   7      105.72    -27.64                                   
REMARK 500    ASP B  51      106.65    -47.69                                   
REMARK 500    ALA B 139       -6.97    -59.59                                   
REMARK 500    TYR B 169      -84.49    -47.25                                   
REMARK 500    PRO B 171      -77.00    -40.72                                   
REMARK 500    LYS B 177      -29.07   -155.86                                   
REMARK 500    ALA B 182      131.35    -38.37                                   
REMARK 500    ALA B 229      -72.79    -57.03                                   
REMARK 500    THR B 247      -39.25   -134.74                                   
REMARK 500    ALA B 249      104.09   -170.79                                   
REMARK 500    ARG B 292      109.55    -54.31                                   
REMARK 500    HIS B 372     -158.79   -119.52                                   
REMARK 500    GLN B 388      126.66   -177.55                                   
REMARK 500    SER B 405      138.85   -171.52                                   
REMARK 500    ASP B 408        4.09    -66.00                                   
REMARK 500    ASN B 428        0.95    -66.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A 440         0.10    SIDE CHAIN                              
REMARK 500    TYR B 440         0.08    SIDE CHAIN                              
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 451  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  51   OD1                                                    
REMARK 620 2 ASP A 369   OD2  87.1                                              
REMARK 620 3 HIS A 370   NE2 135.3  95.3                                        
REMARK 620 4 PO4 A 453   O2  109.8 132.5 101.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 452  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  51   OD2                                                    
REMARK 620 2 THR A 155   OG1  93.9                                              
REMARK 620 3 GLU A 322   OE2  88.8  93.8                                        
REMARK 620 4 HOH A 454   O    84.1  89.6 172.3                                  
REMARK 620 5 HOH A 455   O   150.7 115.2  91.8  92.9                            
REMARK 620 6 HOH A 456   O    63.5 152.4 100.9  73.3  87.7                      
REMARK 620 N                    1     2     3     4     5                       
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   OD2                                                    
REMARK 620 2 ASP A 327   OD1  50.6                                              
REMARK 620 3 HIS A 331   NE2 106.8  94.9                                        
REMARK 620 4 HIS A 412   NE2  93.0 143.5  99.2                                  
REMARK 620 5 PO4 A 453   O1  126.4  88.2 109.7 117.7                            
REMARK 620 6 PO4 A 453   O2   80.8  84.5 169.6  87.2  60.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 451  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  51   OD1                                                    
REMARK 620 2 ASP B 369   OD2  99.4                                              
REMARK 620 3 ASP B 369   OD1  83.8  52.1                                        
REMARK 620 4 HIS B 370   NE2 134.4  98.5  74.9                                  
REMARK 620 5 PO4 B 453   O2  101.4 134.4 169.7  95.3                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 452  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  51   OD2                                                    
REMARK 620 2 THR B 155   OG1  96.2                                              
REMARK 620 3 GLU B 322   OE2  84.3  91.4                                        
REMARK 620 4 HOH B 454   O    86.9  78.4 165.7                                  
REMARK 620 5 HOH B 455   O   148.3 115.5  95.7  97.7                            
REMARK 620 6 HOH B 456   O    65.4 156.5 100.7  85.8  83.5                      
REMARK 620 N                    1     2     3     4     5                       
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   OD2                                                    
REMARK 620 2 ASP B 327   OD1  51.0                                              
REMARK 620 3 HIS B 331   NE2 107.2  92.7                                        
REMARK 620 4 HIS B 412   NE2  88.2 139.2 102.4                                  
REMARK 620 5 PO4 B 453   O1  126.1  95.0 115.9 111.2                            
REMARK 620 6 PO4 B 453   O2   74.2  85.0 175.6  81.7  60.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 450                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 451                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 452                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 453                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 450                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 451                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 452                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 453                 
DBREF  1ELX A    1   449  UNP    P00634   PPB_ECOLI       23    471             
DBREF  1ELX B    1   449  UNP    P00634   PPB_ECOLI       23    471             
SEQADV 1ELX ALA A  102  UNP  P00634    SER   124 ENGINEERED MUTATION            
SEQADV 1ELX ALA B  102  UNP  P00634    SER   124 ENGINEERED MUTATION            
SEQRES   1 A  449  THR PRO GLU MET PRO VAL LEU GLU ASN ARG ALA ALA GLN          
SEQRES   2 A  449  GLY ASP ILE THR ALA PRO GLY GLY ALA ARG ARG LEU THR          
SEQRES   3 A  449  GLY ASP GLN THR ALA ALA LEU ARG ASP SER LEU SER ASP          
SEQRES   4 A  449  LYS PRO ALA LYS ASN ILE ILE LEU LEU ILE GLY ASP GLY          
SEQRES   5 A  449  MET GLY ASP SER GLU ILE THR ALA ALA ARG ASN TYR ALA          
SEQRES   6 A  449  GLU GLY ALA GLY GLY PHE PHE LYS GLY ILE ASP ALA LEU          
SEQRES   7 A  449  PRO LEU THR GLY GLN TYR THR HIS TYR ALA LEU ASN LYS          
SEQRES   8 A  449  LYS THR GLY LYS PRO ASP TYR VAL THR ASP ALA ALA ALA          
SEQRES   9 A  449  SER ALA THR ALA TRP SER THR GLY VAL LYS THR TYR ASN          
SEQRES  10 A  449  GLY ALA LEU GLY VAL ASP ILE HIS GLU LYS ASP HIS PRO          
SEQRES  11 A  449  THR ILE LEU GLU MET ALA LYS ALA ALA GLY LEU ALA THR          
SEQRES  12 A  449  GLY ASN VAL SER THR ALA GLU LEU GLN ASP ALA THR PRO          
SEQRES  13 A  449  ALA ALA LEU VAL ALA HIS VAL THR SER ARG LYS CYS TYR          
SEQRES  14 A  449  GLY PRO SER ALA THR SER GLU LYS CYS PRO GLY ASN ALA          
SEQRES  15 A  449  LEU GLU LYS GLY GLY LYS GLY SER ILE THR GLU GLN LEU          
SEQRES  16 A  449  LEU ASN ALA ARG ALA ASP VAL THR LEU GLY GLY GLY ALA          
SEQRES  17 A  449  LYS THR PHE ALA GLU THR ALA THR ALA GLY GLU TRP GLN          
SEQRES  18 A  449  GLY LYS THR LEU ARG GLU GLN ALA GLN ALA ARG GLY TYR          
SEQRES  19 A  449  GLN LEU VAL SER ASP ALA ALA SER LEU ASN SER VAL THR          
SEQRES  20 A  449  GLU ALA ASN GLN GLN LYS PRO LEU LEU GLY LEU PHE ALA          
SEQRES  21 A  449  ASP GLY ASN MET PRO VAL ARG TRP LEU GLY PRO LYS ALA          
SEQRES  22 A  449  THR TYR HIS GLY ASN ILE ASP LYS PRO ALA VAL THR CYS          
SEQRES  23 A  449  THR PRO ASN PRO GLN ARG ASN ASP SER VAL PRO THR LEU          
SEQRES  24 A  449  ALA GLN MET THR ASP LYS ALA ILE GLU LEU LEU SER LYS          
SEQRES  25 A  449  ASN GLU LYS GLY PHE PHE LEU GLN VAL GLU GLY ALA SER          
SEQRES  26 A  449  ILE ASP LYS GLN ASP HIS ALA ALA ASN PRO CYS GLY GLN          
SEQRES  27 A  449  ILE GLY GLU THR VAL ASP LEU ASP GLU ALA VAL GLN ARG          
SEQRES  28 A  449  ALA LEU GLU PHE ALA LYS LYS GLU GLY ASN THR LEU VAL          
SEQRES  29 A  449  ILE VAL THR ALA ASP HIS ALA HIS ALA SER GLN ILE VAL          
SEQRES  30 A  449  ALA PRO ASP THR LYS ALA PRO GLY LEU THR GLN ALA LEU          
SEQRES  31 A  449  ASN THR LYS ASP GLY ALA VAL MET VAL MET SER TYR GLY          
SEQRES  32 A  449  ASN SER GLU GLU ASP SER GLN GLU HIS THR GLY SER GLN          
SEQRES  33 A  449  LEU ARG ILE ALA ALA TYR GLY PRO HIS ALA ALA ASN VAL          
SEQRES  34 A  449  VAL GLY LEU THR ASP GLN THR ASP LEU PHE TYR THR MET          
SEQRES  35 A  449  LYS ALA ALA LEU GLY LEU LYS                                  
SEQRES   1 B  449  THR PRO GLU MET PRO VAL LEU GLU ASN ARG ALA ALA GLN          
SEQRES   2 B  449  GLY ASP ILE THR ALA PRO GLY GLY ALA ARG ARG LEU THR          
SEQRES   3 B  449  GLY ASP GLN THR ALA ALA LEU ARG ASP SER LEU SER ASP          
SEQRES   4 B  449  LYS PRO ALA LYS ASN ILE ILE LEU LEU ILE GLY ASP GLY          
SEQRES   5 B  449  MET GLY ASP SER GLU ILE THR ALA ALA ARG ASN TYR ALA          
SEQRES   6 B  449  GLU GLY ALA GLY GLY PHE PHE LYS GLY ILE ASP ALA LEU          
SEQRES   7 B  449  PRO LEU THR GLY GLN TYR THR HIS TYR ALA LEU ASN LYS          
SEQRES   8 B  449  LYS THR GLY LYS PRO ASP TYR VAL THR ASP ALA ALA ALA          
SEQRES   9 B  449  SER ALA THR ALA TRP SER THR GLY VAL LYS THR TYR ASN          
SEQRES  10 B  449  GLY ALA LEU GLY VAL ASP ILE HIS GLU LYS ASP HIS PRO          
SEQRES  11 B  449  THR ILE LEU GLU MET ALA LYS ALA ALA GLY LEU ALA THR          
SEQRES  12 B  449  GLY ASN VAL SER THR ALA GLU LEU GLN ASP ALA THR PRO          
SEQRES  13 B  449  ALA ALA LEU VAL ALA HIS VAL THR SER ARG LYS CYS TYR          
SEQRES  14 B  449  GLY PRO SER ALA THR SER GLU LYS CYS PRO GLY ASN ALA          
SEQRES  15 B  449  LEU GLU LYS GLY GLY LYS GLY SER ILE THR GLU GLN LEU          
SEQRES  16 B  449  LEU ASN ALA ARG ALA ASP VAL THR LEU GLY GLY GLY ALA          
SEQRES  17 B  449  LYS THR PHE ALA GLU THR ALA THR ALA GLY GLU TRP GLN          
SEQRES  18 B  449  GLY LYS THR LEU ARG GLU GLN ALA GLN ALA ARG GLY TYR          
SEQRES  19 B  449  GLN LEU VAL SER ASP ALA ALA SER LEU ASN SER VAL THR          
SEQRES  20 B  449  GLU ALA ASN GLN GLN LYS PRO LEU LEU GLY LEU PHE ALA          
SEQRES  21 B  449  ASP GLY ASN MET PRO VAL ARG TRP LEU GLY PRO LYS ALA          
SEQRES  22 B  449  THR TYR HIS GLY ASN ILE ASP LYS PRO ALA VAL THR CYS          
SEQRES  23 B  449  THR PRO ASN PRO GLN ARG ASN ASP SER VAL PRO THR LEU          
SEQRES  24 B  449  ALA GLN MET THR ASP LYS ALA ILE GLU LEU LEU SER LYS          
SEQRES  25 B  449  ASN GLU LYS GLY PHE PHE LEU GLN VAL GLU GLY ALA SER          
SEQRES  26 B  449  ILE ASP LYS GLN ASP HIS ALA ALA ASN PRO CYS GLY GLN          
SEQRES  27 B  449  ILE GLY GLU THR VAL ASP LEU ASP GLU ALA VAL GLN ARG          
SEQRES  28 B  449  ALA LEU GLU PHE ALA LYS LYS GLU GLY ASN THR LEU VAL          
SEQRES  29 B  449  ILE VAL THR ALA ASP HIS ALA HIS ALA SER GLN ILE VAL          
SEQRES  30 B  449  ALA PRO ASP THR LYS ALA PRO GLY LEU THR GLN ALA LEU          
SEQRES  31 B  449  ASN THR LYS ASP GLY ALA VAL MET VAL MET SER TYR GLY          
SEQRES  32 B  449  ASN SER GLU GLU ASP SER GLN GLU HIS THR GLY SER GLN          
SEQRES  33 B  449  LEU ARG ILE ALA ALA TYR GLY PRO HIS ALA ALA ASN VAL          
SEQRES  34 B  449  VAL GLY LEU THR ASP GLN THR ASP LEU PHE TYR THR MET          
SEQRES  35 B  449  LYS ALA ALA LEU GLY LEU LYS                                  
HET     ZN  A 450       1                                                       
HET     ZN  A 451       1                                                       
HET     MG  A 452       1                                                       
HET    PO4  A 453       5                                                       
HET     ZN  B 450       1                                                       
HET     ZN  B 451       1                                                       
HET     MG  B 452       1                                                       
HET    PO4  B 453       5                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   3   ZN    4(ZN 2+)                                                     
FORMUL   5   MG    2(MG 2+)                                                     
FORMUL   6  PO4    2(O4 P 3-)                                                   
FORMUL  11  HOH   *605(H2 O)                                                    
HELIX    1   1 GLN A   29  SER A   36  1                                   8    
HELIX    2   2 ASP A   55  GLU A   66  1                                  12    
HELIX    3   3 ILE A   75  ALA A   77  5                                   3    
HELIX    4   4 ALA A  102  THR A  111  1                                  10    
HELIX    5   5 ILE A  132  ALA A  139  1                                   8    
HELIX    6   6 ALA A  154  LEU A  159  1                                   6    
HELIX    7   7 PRO A  171  SER A  175  1                                   5    
HELIX    8   8 ILE A  191  ALA A  198  1                                   8    
HELIX    9   9 LYS A  209  ALA A  212  5                                   4    
HELIX   10  10 LEU A  225  ARG A  232  1                                   8    
HELIX   11  11 ALA A  240  SER A  245  1                                   6    
HELIX   12  12 GLY A  277  ASP A  280  1                                   4    
HELIX   13  13 LEU A  299  LYS A  312  1                                  14    
HELIX   14  14 SER A  325  HIS A  331  1                                   7    
HELIX   15  15 PRO A  335  GLU A  359  1                                  25    
HELIX   16  16 ALA A  426  VAL A  429  5                                   4    
HELIX   17  17 ASP A  437  ALA A  445  1                                   9    
HELIX   18  18 GLN B   29  SER B   36  1                                   8    
HELIX   19  19 ASP B   55  GLU B   66  1                                  12    
HELIX   20  20 ILE B   75  ALA B   77  5                                   3    
HELIX   21  21 ALA B  102  THR B  111  1                                  10    
HELIX   22  22 ILE B  132  ALA B  139  1                                   8    
HELIX   23  23 ALA B  154  LEU B  159  1                                   6    
HELIX   24  24 PRO B  171  SER B  175  1                                   5    
HELIX   25  25 ILE B  191  ALA B  198  1                                   8    
HELIX   26  26 LYS B  209  ALA B  212  5                                   4    
HELIX   27  27 LEU B  225  ARG B  232  1                                   8    
HELIX   28  28 ALA B  240  ASN B  244  1                                   5    
HELIX   29  29 GLY B  277  ASP B  280  1                                   4    
HELIX   30  30 LEU B  299  LYS B  312  1                                  14    
HELIX   31  31 ALA B  324  HIS B  331  5                                   8    
HELIX   32  32 PRO B  335  GLU B  359  1                                  25    
HELIX   33  33 ALA B  426  VAL B  429  5                                   4    
HELIX   34  34 GLN B  435  ALA B  445  1                                  11    
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 205  1  N  THR A 203   O  LEU A 255           
SHEET    4   A10 ALA A 142  SER A 147  1  N  ASN A 145   O  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  LEU A 319           
SHEET    7   A10 THR A 362  THR A 367  1  N  LEU A 363   O  ASN A  44           
SHEET    8   A10 LEU A 417  GLY A 423 -1  N  TYR A 422   O  VAL A 364           
SHEET    9   A10 LEU A  80  THR A  85 -1  N  TYR A  84   O  LEU A 417           
SHEET   10   A10 GLY A 431  ASP A 434  1  N  GLY A 431   O  GLN A  83           
SHEET    1   B 3 GLN A 375  VAL A 377  0                                        
SHEET    2   B 3 VAL A 397  TYR A 402 -1  N  SER A 401   O  GLN A 375           
SHEET    3   B 3 LEU A 386  ASN A 391 -1  N  LEU A 390   O  MET A 398           
SHEET    1   C10 GLY B 431  ASP B 434  0                                        
SHEET    2   C10 LEU B  80  THR B  85  1  N  GLN B  83   O  GLY B 431           
SHEET    3   C10 LEU B 417  GLY B 423 -1  N  ALA B 421   O  LEU B  80           
SHEET    4   C10 THR B 362  THR B 367 -1  N  VAL B 366   O  ALA B 420           
SHEET    5   C10 ASN B  44  GLY B  50  1  N  ASN B  44   O  LEU B 363           
SHEET    6   C10 PHE B 317  GLY B 323  1  N  PHE B 317   O  ILE B  45           
SHEET    7   C10 ALA B 142  SER B 147  1  N  ALA B 142   O  PHE B 318           
SHEET    8   C10 VAL B 202  GLY B 205  1  N  VAL B 202   O  ASN B 145           
SHEET    9   C10 LEU B 255  LEU B 258  1  N  LEU B 255   O  THR B 203           
SHEET   10   C10 GLN B 235  VAL B 237  1  N  GLN B 235   O  LEU B 256           
SHEET    1   D 3 GLN B 375  VAL B 377  0                                        
SHEET    2   D 3 VAL B 397  TYR B 402 -1  N  SER B 401   O  GLN B 375           
SHEET    3   D 3 LEU B 386  ASN B 391 -1  N  LEU B 390   O  MET B 398           
SSBOND   1 CYS A  168    CYS A  178                          1555   1555  2.03  
SSBOND   2 CYS A  286    CYS A  336                          1555   1555  2.02  
SSBOND   3 CYS B  168    CYS B  178                          1555   1555  2.02  
SSBOND   4 CYS B  286    CYS B  336                          1555   1555  2.05  
LINK         OD1 ASP A  51                ZN    ZN A 451     1555   1555  2.11  
LINK         OD2 ASP A  51                MG    MG A 452     1555   1555  2.09  
LINK         OG1 THR A 155                MG    MG A 452     1555   1555  2.51  
LINK         OE2 GLU A 322                MG    MG A 452     1555   1555  1.84  
LINK         OD2 ASP A 327                ZN    ZN A 450     1555   1555  2.26  
LINK         OD1 ASP A 327                ZN    ZN A 450     1555   1555  2.74  
LINK         NE2 HIS A 331                ZN    ZN A 450     1555   1555  1.91  
LINK         OD2 ASP A 369                ZN    ZN A 451     1555   1555  2.09  
LINK         NE2 HIS A 370                ZN    ZN A 451     1555   1555  2.04  
LINK         NE2 HIS A 412                ZN    ZN A 450     1555   1555  1.85  
LINK        ZN    ZN A 450                 O1  PO4 A 453     1555   1555  2.08  
LINK        ZN    ZN A 450                 O2  PO4 A 453     1555   1555  2.76  
LINK        ZN    ZN A 451                 O2  PO4 A 453     1555   1555  1.97  
LINK        MG    MG A 452                 O   HOH A 454     1555   1555  2.09  
LINK        MG    MG A 452                 O   HOH A 455     1555   1555  1.92  
LINK        MG    MG A 452                 O   HOH A 456     1555   1555  2.81  
LINK         OD1 ASP B  51                ZN    ZN B 451     1555   1555  2.06  
LINK         OD2 ASP B  51                MG    MG B 452     1555   1555  2.16  
LINK         OG1 THR B 155                MG    MG B 452     1555   1555  2.41  
LINK         OE2 GLU B 322                MG    MG B 452     1555   1555  2.03  
LINK         OD2 ASP B 327                ZN    ZN B 450     1555   1555  2.39  
LINK         OD1 ASP B 327                ZN    ZN B 450     1555   1555  2.72  
LINK         NE2 HIS B 331                ZN    ZN B 450     1555   1555  1.91  
LINK         OD2 ASP B 369                ZN    ZN B 451     1555   1555  1.97  
LINK         OD1 ASP B 369                ZN    ZN B 451     1555   1555  2.74  
LINK         NE2 HIS B 370                ZN    ZN B 451     1555   1555  2.14  
LINK         NE2 HIS B 412                ZN    ZN B 450     1555   1555  2.02  
LINK        ZN    ZN B 450                 O1  PO4 B 453     1555   1555  1.92  
LINK        ZN    ZN B 450                 O2  PO4 B 453     1555   1555  2.75  
LINK        ZN    ZN B 451                 O2  PO4 B 453     1555   1555  1.97  
LINK        MG    MG B 452                 O   HOH B 454     1555   1555  1.89  
LINK        MG    MG B 452                 O   HOH B 455     1555   1555  1.78  
LINK        MG    MG B 452                 O   HOH B 456     1555   1555  2.38  
SITE     1 AC1  4 ASP A 327  HIS A 331  HIS A 412  PO4 A 453                    
SITE     1 AC2  5 ASP A  51  ASP A 327  ASP A 369  HIS A 370                    
SITE     2 AC2  5 PO4 A 453                                                     
SITE     1 AC3  6 ASP A  51  THR A 155  GLU A 322  HOH A 454                    
SITE     2 AC3  6 HOH A 455  HOH A 456                                          
SITE     1 AC4 13 ASP A  51  ASP A 101  ALA A 102  ARG A 166                    
SITE     2 AC4 13 ASP A 327  HIS A 331  HIS A 370  HIS A 412                    
SITE     3 AC4 13  ZN A 450   ZN A 451  HOH A 454  HOH A 654                    
SITE     4 AC4 13 HOH A 666                                                     
SITE     1 AC5  4 ASP B 327  HIS B 331  HIS B 412  PO4 B 453                    
SITE     1 AC6  5 ASP B  51  ASP B 327  ASP B 369  HIS B 370                    
SITE     2 AC6  5 PO4 B 453                                                     
SITE     1 AC7  7 ASP B  51  ASP B 153  THR B 155  GLU B 322                    
SITE     2 AC7  7 HOH B 454  HOH B 455  HOH B 456                               
SITE     1 AC8 15 ASP B  51  ASP B 101  ALA B 102  ARG B 166                    
SITE     2 AC8 15 ASP B 327  HIS B 331  ASP B 369  HIS B 370                    
SITE     3 AC8 15 HIS B 412   ZN B 450   ZN B 451  HOH B 454                    
SITE     4 AC8 15 HOH B 625  HOH B 758  HOH B 775                               
CRYST1  163.620  163.620  138.880  90.00  90.00 120.00 P 63 2 2     24          
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      0.006112  0.003529  0.000000        0.00000                         
SCALE2      0.000000  0.007057  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007200        0.00000                         
MTRIX1   1  0.007130  0.999974 -0.001354       -0.11190    1                    
MTRIX2   1  0.999974 -0.007132 -0.001395        0.26200    1                    
MTRIX3   1 -0.001404 -0.001344 -0.999998      104.46890    1