HEADER    HYDROLASE                               08-DEC-04   1Y7A               
TITLE     STRUCTURE OF D153H/K328W E. COLI ALKALINE PHOSPHATASE IN PRESENCE OF   
TITLE    2 COBALT AT 1.77 A RESOLUTION                                           
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: ALKALINE PHOSPHATASE;                                       
COMPND   3 CHAIN: A, B;                                                          
COMPND   4 SYNONYM: APASE;                                                       
COMPND   5 EC: 3.1.3.1;                                                          
COMPND   6 ENGINEERED: YES;                                                      
COMPND   7 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                                
SOURCE   3 ORGANISM_TAXID: 562;                                                  
SOURCE   4 GENE: PHOA;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                         
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: SM547;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLAMID;                                
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PEK548                                     
KEYWDS    METAL SPECIFICITY, HIGH-SPIN/LOW-SPIN CONFIGURATIONS, HYDROLASE        
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    J.WANG,K.STIEGLITZ,E.R.KANTROWITZ                                      
REVDAT   4   23-AUG-23 1Y7A    1       REMARK                                    
REVDAT   3   20-OCT-21 1Y7A    1       REMARK SEQADV LINK                        
REVDAT   2   24-FEB-09 1Y7A    1       VERSN                                     
REVDAT   1   21-JUN-05 1Y7A    0                                                 
JRNL        AUTH   J.WANG,K.A.STIEGLITZ,E.R.KANTROWITZ                           
JRNL        TITL   METAL SPECIFICITY IS CORRELATED WITH TWO CRUCIAL ACTIVE SITE  
JRNL        TITL 2 RESIDUES IN ESCHERICHIA COLI ALKALINE PHOSPHATASE(,).         
JRNL        REF    BIOCHEMISTRY                  V.  44  8378 2005               
JRNL        REFN                   ISSN 0006-2960                                
JRNL        PMID   15938627                                                      
JRNL        DOI    10.1021/BI050155P                                             
REMARK   2                                                                       
REMARK   2 RESOLUTION.    1.77 ANGSTROMS.                                        
REMARK   3                                                                       
REMARK   3 REFINEMENT.                                                           
REMARK   3   PROGRAM     : CNS                                                   
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-               
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,               
REMARK   3               : READ,RICE,SIMONSON,WARREN                             
REMARK   3                                                                       
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                     
REMARK   3                                                                       
REMARK   3  DATA USED IN REFINEMENT.                                             
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.77                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                            
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                            
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.6                            
REMARK   3   NUMBER OF REFLECTIONS             : 111560                          
REMARK   3                                                                       
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                      
REMARK   3   CROSS-VALIDATION METHOD          : THOUGHOUT                        
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                           
REMARK   3   R VALUE            (WORKING SET) : 0.205                            
REMARK   3   FREE R VALUE                     : 0.238                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                             
REMARK   3   FREE R VALUE TEST SET COUNT      : 11156                            
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            : 6622                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 26                                       
REMARK   3   SOLVENT ATOMS            : 669                                      
REMARK   3                                                                       
REMARK   3  B VALUES.                                                            
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                            
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                            
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                        
REMARK   3    B11 (A**2) : NULL                                                  
REMARK   3    B22 (A**2) : NULL                                                  
REMARK   3    B33 (A**2) : NULL                                                  
REMARK   3    B12 (A**2) : NULL                                                  
REMARK   3    B13 (A**2) : NULL                                                  
REMARK   3    B23 (A**2) : NULL                                                  
REMARK   3                                                                       
REMARK   3  ESTIMATED COORDINATE ERROR.                                          
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                             
REMARK   3   ESD FROM SIGMAA              (A) : NULL                             
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                             
REMARK   3                                                                       
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                          
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                             
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                             
REMARK   3                                                                       
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                    
REMARK   3   BOND LENGTHS                 (A) : 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  BULK SOLVENT MODELING.                                               
REMARK   3   METHOD USED : NULL                                                  
REMARK   3   KSOL        : NULL                                                  
REMARK   3   BSOL        : NULL                                                  
REMARK   3                                                                       
REMARK   3  NCS MODEL : NULL                                                     
REMARK   3                                                                       
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT           
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                  
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                  
REMARK   3                                                                       
REMARK   3  PARAMETER FILE  1  : NULL                                            
REMARK   3  TOPOLOGY FILE  1   : NULL                                            
REMARK   3                                                                       
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                       
REMARK   4                                                                       
REMARK   4 1Y7A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-DEC-04.                   
REMARK 100 THE DEPOSITION ID IS D_1000031205.                                    
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 23-NOV-03                           
REMARK 200  TEMPERATURE           (KELVIN) : 93                                  
REMARK 200  PH                             : 9.5                                 
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                   
REMARK 200                                                                       
REMARK 200  SYNCHROTRON              (Y/N) : Y                                   
REMARK 200  RADIATION SOURCE               : NSLS                                
REMARK 200  BEAMLINE                       : X26C                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                   
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                                
REMARK 200  MONOCHROMATOR                  : NULL                                
REMARK 200  OPTICS                         : MONOCHROMATIC                       
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : CCD                                 
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                      
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                            
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                           
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 117928                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.770                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                               
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.5                                
REMARK 200  DATA REDUNDANCY                : 12.00                               
REMARK 200  R MERGE                    (I) : 0.08500                             
REMARK 200  R SYM                      (I) : NULL                                
REMARK 200   FOR THE DATA SET  : 26.6000                             
REMARK 200                                                                       
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.77                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.83                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.6                                
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23900                             
REMARK 200  R SYM FOR SHELL            (I) : NULL                                
REMARK 200   FOR SHELL         : NULL                                
REMARK 200                                                                       
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                               
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT         
REMARK 200 SOFTWARE USED: AMORE                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1ED8                                        
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 57.80                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.21                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: 10 MM COBALT CHLORIDE, 2.2 M AMMONIUM     
REMARK 280  SULFATE, PH 9.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K     
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       38.10400             
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       82.28200             
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       96.31800             
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       38.10400             
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       82.28200             
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       96.31800             
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       38.10400             
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       82.28200             
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       96.31800             
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       38.10400             
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       82.28200             
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       96.31800             
REMARK 290                                                                       
REMARK 290 REMARK: NULL                                                          
REMARK 300                                                                       
REMARK 300 BIOMOLECULE: 1                                                        
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                 
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                   
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON                
REMARK 300 BURIED SURFACE AREA.                                                  
REMARK 300 REMARK: THE ASYMMETRIC UNIT CONTAINS THE BIOLOGICALLY ACTIVE DIMER    
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: 9040 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 27970 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -130.0 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   OG   SER A   102     O3   PO4 A  1456              1.94             
REMARK 500   NH1  ARG A   166     O1   PO4 A  1456              2.05             
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    ALA A 373   CA    ALA A 373   CB      0.135                        
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    ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.1 DEGREES           
REMARK 500    ASP A 239   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES           
REMARK 500    ASP A 239   CB  -  CG  -  OD2 ANGL. DEV. =  -6.2 DEGREES           
REMARK 500    GLY A 323   N   -  CA  -  C   ANGL. DEV. = -15.6 DEGREES           
REMARK 500    ASP A 330   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES           
REMARK 500    ARG A 351   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.7 DEGREES           
REMARK 500    ARG A 351   NE  -  CZ  -  NH2 ANGL. DEV. =   5.3 DEGREES           
REMARK 500    ASP A 369   CB  -  CG  -  OD1 ANGL. DEV. =  -6.0 DEGREES           
REMARK 500    ASP B  97   N   -  CA  -  C   ANGL. DEV. = -18.0 DEGREES           
REMARK 500    ASN B 293   N   -  CA  -  C   ANGL. DEV. =  26.4 DEGREES           
REMARK 500    GLY B 323   N   -  CA  -  C   ANGL. DEV. = -16.3 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      107.68    -54.91                                    
REMARK 500    GLU A   3      -33.49    -32.15                                    
REMARK 500    ARG A 292     -137.28    -62.73                                    
REMARK 500    ASN A 293      144.30    146.38                                    
REMARK 500    THR A 367     -164.22   -161.02                                    
REMARK 500    PRO B   2       94.63    -43.32                                    
REMARK 500    GLU B   3      -46.12    -25.66                                    
REMARK 500    ALA B  88     -168.03   -103.37                                    
REMARK 500    SER B 190      171.16    -59.80                                    
REMARK 500    ALA B 217     -166.76   -167.27                                    
REMARK 500    ASN B 293      145.77     51.75                                    
REMARK 500    THR B 367     -164.39   -161.50                                    
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                              CO A1451  CO                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 ASP A  51   OD2                                                     
REMARK 620 2 SER A 102   OG  128.0                                               
REMARK 620 3 ASP A 369   OD1 100.4 104.6                                         
REMARK 620 4 HIS A 370   NE2 102.5 115.2 102.4                                   
REMARK 620 5 PO4 A1456   O3  103.3  49.5 152.8  85.4                             
REMARK 620 N                    1     2     3     4                              
REMARK 620                                                                       
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                          
REMARK 620                              CO A1452  CO                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 ASP A  51   OD1                                                     
REMARK 620 2 HIS A 153   NE2 114.0                                               
REMARK 620 3 THR A 155   OG1  95.1 101.5                                         
REMARK 620 4 GLU A 322   OE2 112.3 131.8  86.9                                   
REMARK 620 5 HOH A1816   O    80.2  80.5 175.3  94.9                             
REMARK 620 N                    1     2     3     4                              
REMARK 620                                                                       
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                          
REMARK 620                              CO A1450  CO                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 ASP A 327   OD1                                                     
REMARK 620 2 ASP A 327   OD2  53.2                                               
REMARK 620 3 HIS A 331   NE2  90.8 100.9                                         
REMARK 620 4 HIS A 412   NE2  82.3 133.6  91.1                                   
REMARK 620 5 PO4 A1456   O2  141.4  89.0 105.9 130.6                             
REMARK 620 6 PO4 A1456   O3   94.6  87.4 171.7  83.4  73.4                       
REMARK 620 N                    1     2     3     4     5                        
REMARK 620                                                                       
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                          
REMARK 620                              CO B1951  CO                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 ASP B  51   OD1                                                     
REMARK 620 2 SER B 102   OG  118.8                                               
REMARK 620 3 ASP B 369   OD2 101.5  98.1                                         
REMARK 620 4 HIS B 370   NE2 102.4 128.6 102.6                                   
REMARK 620 N                    1     2     3                                    
REMARK 620                                                                       
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                          
REMARK 620                              CO B1952  CO                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 ASP B  51   OD2                                                     
REMARK 620 2 HIS B 153   NE2 132.8                                               
REMARK 620 3 THR B 155   OG1  87.9  96.6                                         
REMARK 620 4 GLU B 322   OE2 108.4 118.7  86.9                                   
REMARK 620 5 HOH B2027   O    92.9  78.7 174.3  98.3                             
REMARK 620 N                    1     2     3     4                              
REMARK 620                                                                       
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                          
REMARK 620                              CO B1950  CO                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 ASP B 327   OD1                                                     
REMARK 620 2 ASP B 327   OD2  58.5                                               
REMARK 620 3 HIS B 331   NE2  91.5  97.6                                         
REMARK 620 4 HIS B 412   NE2  88.6 146.7  87.7                                   
REMARK 620 5 PO4 B1956   O3  174.2 126.5  90.7  86.1                             
REMARK 620 6 PO4 B1956   O2  104.8  94.6 163.2  88.6  72.7                       
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 CO A 1450                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC2                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 1451                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC3                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 1452                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC4                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 1456                 
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC5                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1458                 
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC6                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO B 1950                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC7                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO B 1951                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC8                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO B 1952                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC9                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 1956                 
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: BC1                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 1958                 
REMARK 900                                                                       
REMARK 900 RELATED ENTRIES                                                       
REMARK 900 RELATED ID: 1ED8   RELATED DB: PDB                                    
REMARK 900 E. COLI ALKALINE PHOSPHATASE INHIBITED BY THE INORGANIC PHOSPHATE     
REMARK 900 AT 1.75A RESOLUTION                                                   
DBREF  1Y7A A    1   449  UNP    P00634   PPB_ECOLI       23    471              
DBREF  1Y7A B    1   449  UNP    P00634   PPB_ECOLI       23    471              
SEQADV 1Y7A HIS A  153  UNP  P00634    ASP   175 ENGINEERED MUTATION             
SEQADV 1Y7A TRP A  328  UNP  P00634    LYS   350 ENGINEERED MUTATION             
SEQADV 1Y7A HIS B  153  UNP  P00634    ASP   175 ENGINEERED MUTATION             
SEQADV 1Y7A TRP B  328  UNP  P00634    LYS   350 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 SER 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 HIS 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 TRP 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 SER 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 HIS 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 TRP 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     CO  A1450       1                                                        
HET     CO  A1451       1                                                        
HET     CO  A1452       1                                                        
HET    PO4  A1456       5                                                        
HET    SO4  A1458       5                                                        
HET     CO  B1950       1                                                        
HET     CO  B1951       1                                                        
HET     CO  B1952       1                                                        
HET    PO4  B1956       5                                                        
HET    SO4  B1958       5                                                        
HETNAM      CO COBALT (II) ION                                                   
HETNAM     PO4 PHOSPHATE ION                                                     
HETNAM     SO4 SULFATE ION                                                       
FORMUL   3   CO    6(CO 2+)                                                      
FORMUL   6  PO4    2(O4 P 3-)                                                    
FORMUL   7  SO4    2(O4 S 2-)                                                    
FORMUL  13  HOH   *669(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 HIS A  153  ALA A  158  1                                   6     
HELIX    7   7 GLY A  170  CYS A  178  1                                   9     
HELIX    8   8 PRO A  179  GLY A  186  5                                   8     
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 THR A  298  SER A  311  1                                  14     
HELIX   15  15 ALA A  324  ALA A  332  1                                   9     
HELIX   16  16 ASN A  334  GLY A  360  1                                  27     
HELIX   17  17 HIS A  425  VAL A  430  5                                   6     
HELIX   18  18 GLN A  435  LEU A  446  1                                  12     
HELIX   19  19 GLN B   29  SER B   36  1                                   8     
HELIX   20  20 GLY B   54  GLY B   67  1                                  14     
HELIX   21  21 GLY B   74  LEU B   78  5                                   5     
HELIX   22  22 ASP B  101  GLY B  112  1                                  12     
HELIX   23  23 THR B  131  ALA B  139  1                                   9     
HELIX   24  24 HIS B  153  ALA B  161  1                                   9     
HELIX   25  25 GLY B  170  CYS B  178  1                                   9     
HELIX   26  26 ALA B  182  GLY B  186  5                                   5     
HELIX   27  27 SER B  190  ARG B  199  1                                  10     
HELIX   28  28 GLY B  207  ALA B  212  1                                   6     
HELIX   29  29 THR B  224  ARG B  232  1                                   9     
HELIX   30  30 ASP B  239  SER B  245  1                                   7     
HELIX   31  31 HIS B  276  LYS B  281  1                                   6     
HELIX   32  32 THR B  298  SER B  311  1                                  14     
HELIX   33  33 ALA B  324  ALA B  332  1                                   9     
HELIX   34  34 ASN B  334  GLY B  360  1                                  27     
HELIX   35  35 HIS B  425  VAL B  430  5                                   6     
HELIX   36  36 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  O  LEU A 258   N  VAL A 237            
SHEET    3   A10 VAL A 202  GLY A 206  1  N  THR A 203   O  GLY A 257            
SHEET    4   A10 ALA A 142  GLU A 150  1  N  THR A 143   O  VAL A 202            
SHEET    5   A10 PHE A 317  GLY A 323  1  O  GLN A 320   N  VAL A 146            
SHEET    6   A10 ASN A  44  GLY A  50  1  N  LEU A  47   O  VAL A 321            
SHEET    7   A10 THR A 362  THR A 367  1  O  ILE A 365   N  LEU A  48            
SHEET    8   A10 LEU A 417  TYR A 422 -1  O  TYR A 422   N  VAL A 364            
SHEET    9   A10 LEU A  80  THR A  85 -1  N  LEU A  80   O  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  O  THR A 387   N  THR A 274            
SHEET    3   D 4 VAL A 397  TYR A 402 -1  O  TYR A 402   N  LEU A 386            
SHEET    4   D 4 GLN A 375  VAL A 377 -1  N  GLN A 375   O  SER A 401            
SHEET    1   E10 GLN B 235  VAL B 237  0                                         
SHEET    2   E10 LEU B 255  LEU B 258  1  O  LEU B 258   N  VAL B 237            
SHEET    3   E10 VAL B 202  GLY B 206  1  N  THR B 203   O  GLY B 257            
SHEET    4   E10 ALA B 142  GLU B 150  1  N  ALA B 149   O  GLY B 206            
SHEET    5   E10 PHE B 317  GLY B 323  1  O  GLN B 320   N  VAL B 146            
SHEET    6   E10 ASN B  44  GLY B  50  1  N  ILE B  45   O  LEU B 319            
SHEET    7   E10 THR B 362  ALA B 368  1  O  ILE B 365   N  LEU B  48            
SHEET    8   E10 LEU B 417  TYR B 422 -1  O  TYR B 422   N  VAL B 364            
SHEET    9   E10 LEU B  80  THR B  85 -1  N  LEU B  80   O  ALA B 421            
SHEET   10   E10 GLY B 431  ASP B 434  1  O  GLY B 431   N  GLN B  83            
SHEET    1   F 2 ALA B  88  LEU B  89  0                                         
SHEET    2   F 2 PRO B  96  ASP B  97 -1  O  ASP B  97   N  ALA B  88            
SHEET    1   G 2 TRP B 268  LEU B 269  0                                         
SHEET    2   G 2 THR B 287  PRO B 288 -1  O  THR B 287   N  LEU B 269            
SHEET    1   H 4 THR B 274  TYR B 275  0                                         
SHEET    2   H 4 LEU B 386  ASN B 391 -1  O  THR B 387   N  THR B 274            
SHEET    3   H 4 VAL B 397  TYR B 402 -1  O  TYR B 402   N  LEU B 386            
SHEET    4   H 4 GLN B 375  VAL B 377 -1  N  GLN B 375   O  SER B 401            
SSBOND   1 CYS A  168    CYS A  178                          1555   1555  2.07   
SSBOND   2 CYS A  286    CYS A  336                          1555   1555  2.10   
SSBOND   3 CYS B  168    CYS B  178                          1555   1555  2.06   
SSBOND   4 CYS B  286    CYS B  336                          1555   1555  2.10   
LINK         OD2 ASP A  51                CO    CO A1451     1555   1555  2.02   
LINK         OD1 ASP A  51                CO    CO A1452     1555   1555  1.93   
LINK         OG  SER A 102                CO    CO A1451     1555   1555  1.98   
LINK         NE2 HIS A 153                CO    CO A1452     1555   1555  1.97   
LINK         OG1 THR A 155                CO    CO A1452     1555   1555  2.31   
LINK         OE2 GLU A 322                CO    CO A1452     1555   1555  2.01   
LINK         OD1 ASP A 327                CO    CO A1450     1555   1555  2.54   
LINK         OD2 ASP A 327                CO    CO A1450     1555   1555  2.22   
LINK         NE2 HIS A 331                CO    CO A1450     1555   1555  2.09   
LINK         OD1 ASP A 369                CO    CO A1451     1555   1555  1.98   
LINK         NE2 HIS A 370                CO    CO A1451     1555   1555  2.23   
LINK         NE2 HIS A 412                CO    CO A1450     1555   1555  2.09   
LINK        CO    CO A1450                 O2  PO4 A1456     1555   1555  2.05   
LINK        CO    CO A1450                 O3  PO4 A1456     1555   1555  2.29   
LINK        CO    CO A1451                 O3  PO4 A1456     1555   1555  2.51   
LINK        CO    CO A1452                 O   HOH A1816     1555   1555  2.28   
LINK         OD1 ASP B  51                CO    CO B1951     1555   1555  2.11   
LINK         OD2 ASP B  51                CO    CO B1952     1555   1555  2.05   
LINK         OG  SER B 102                CO    CO B1951     1555   1555  2.28   
LINK         NE2 HIS B 153                CO    CO B1952     1555   1555  1.98   
LINK         OG1 THR B 155                CO    CO B1952     1555   1555  2.46   
LINK         OE2 GLU B 322                CO    CO B1952     1555   1555  1.80   
LINK         OD1 ASP B 327                CO    CO B1950     1555   1555  2.38   
LINK         OD2 ASP B 327                CO    CO B1950     1555   1555  2.14   
LINK         NE2 HIS B 331                CO    CO B1950     1555   1555  2.15   
LINK         OD2 ASP B 369                CO    CO B1951     1555   1555  1.93   
LINK         NE2 HIS B 370                CO    CO B1951     1555   1555  2.16   
LINK         NE2 HIS B 412                CO    CO B1950     1555   1555  2.05   
LINK        CO    CO B1950                 O3  PO4 B1956     1555   1555  2.01   
LINK        CO    CO B1950                 O2  PO4 B1956     1555   1555  2.29   
LINK        CO    CO B1952                 O   HOH B2027     1555   1555  2.42   
SITE     1 AC1  5 ASP A 327  HIS A 331  HIS A 412  PO4 A1456                     
SITE     2 AC1  5 HOH A1833                                                      
SITE     1 AC2  5 ASP A  51  SER A 102  ASP A 369  HIS A 370                     
SITE     2 AC2  5 PO4 A1456                                                      
SITE     1 AC3  5 ASP A  51  HIS A 153  THR A 155  GLU A 322                     
SITE     2 AC3  5 HOH A1816                                                      
SITE     1 AC4 13 ASP A  51  ASP A 101  SER A 102  HIS A 153                     
SITE     2 AC4 13 ARG A 166  ASP A 327  HIS A 331  HIS A 370                     
SITE     3 AC4 13 HIS A 412   CO A1450   CO A1451  HOH A1831                     
SITE     4 AC4 13 HOH A1833                                                      
SITE     1 AC5  5 ARG A 267  TRP A 268  ARG A 292  HOH A1846                     
SITE     2 AC5  5 LYS B 449                                                      
SITE     1 AC6  4 ASP B 327  HIS B 331  HIS B 412  PO4 B1956                     
SITE     1 AC7  5 ASP B  51  SER B 102  ASP B 369  HIS B 370                     
SITE     2 AC7  5 PO4 B1956                                                      
SITE     1 AC8  5 ASP B  51  HIS B 153  THR B 155  GLU B 322                     
SITE     2 AC8  5 HOH B2027                                                      
SITE     1 AC9  9 ASP B 101  SER B 102  ARG B 166  ASP B 327                     
SITE     2 AC9  9 HIS B 331  HIS B 370  HIS B 412   CO B1950                     
SITE     3 AC9  9  CO B1951                                                      
SITE     1 BC1  3 ARG B 267  TRP B 268  ARG B 292                                
CRYST1   76.208  164.564  192.636  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      0.013122  0.000000  0.000000        0.00000                          
SCALE2      0.000000  0.006077  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.005191        0.00000                          
END