HEADER    HYDROLASE                               08-DEC-99   1DKO              
TITLE     CRYSTAL STRUCTURE OF TUNGSTATE COMPLEX OF ESCHERICHIA COLI PHYTASE AT 
TITLE    2 PH 6.6 WITH TUNGSTATE BOUND AT THE ACTIVE SITE AND WITH HG2+ CATION  
TITLE    3 ACTING AS AN INTERMOLECULAR BRIDGE                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PHYTASE;                                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PH 2.5 ACID PHOSPHATASE;                                    
COMPND   5 EC: 3.1.3.2;                                                         
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 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_PLASMID: PET21A                                    
KEYWDS    HISTIDINE ACID PHOSPHATASE FOLD, HYDROLASE                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.LIM,S.GOLOVAN,C.W.FORSBERG,Z.JIA                                    
REVDAT   4   13-NOV-24 1DKO    1       REMARK                                   
REVDAT   3   03-NOV-21 1DKO    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1DKO    1       VERSN                                    
REVDAT   1   03-AUG-00 1DKO    0                                                
JRNL        AUTH   D.LIM,S.GOLOVAN,C.W.FORSBERG,Z.JIA                           
JRNL        TITL   CRYSTAL STRUCTURES OF ESCHERICHIA COLI PHYTASE AND ITS       
JRNL        TITL 2 COMPLEX WITH PHYTATE.                                        
JRNL        REF    NAT.STRUCT.BIOL.              V.   7   108 2000              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   10655611                                                     
JRNL        DOI    10.1038/72371                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Z.JIA,S.GOLOVAN,Q.YE,C.W.FORSBERG                            
REMARK   1  TITL   PURIFICATION, CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS 
REMARK   1  TITL 2 OF THE ESCHERICHIA COLI PHYTASE                              
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  54   647 1998              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S0907444997016156                                    
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.DASSA,C.MARCK,P.L.BOQUET                                   
REMARK   1  TITL   THE COMPLETE NUCLEOTIDE SEQUENCE OF THE ESCHERICHIA COLI     
REMARK   1  TITL 2 GENE APPA REVEALS SIGNIFICANT HOMOLOGY BETWEEN PH 2.5 ACID   
REMARK   1  TITL 3 PHOSPHATASE AND GLUCOSE-1-PHOSPHATASE                        
REMARK   1  REF    J.BACTERIOL.                  V. 172  5497 1990              
REMARK   1  REFN                   ISSN 0021-9193                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.38 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.5                                              
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) : 2.38                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1581731.980                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 35943                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.208                           
REMARK   3   FREE R VALUE                     : 0.232                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1807                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.38                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.53                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5680                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2290                       
REMARK   3   BIN FREE R VALUE                    : 0.2670                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.70                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 278                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.020                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3145                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 9                                       
REMARK   3   SOLVENT ATOMS            : 259                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.55000                                              
REMARK   3    B22 (A**2) : -7.89000                                             
REMARK   3    B33 (A**2) : 4.34000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.27                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.20                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.33                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.23                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.790                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.190 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.930 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.860 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.660 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.33                                                 
REMARK   3   BSOL        : 35.28                                                
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  : PROTEIN_REP.PA                                 
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARA                                 
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER_REP.TOP                                  
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD                        
REMARK   4                                                                      
REMARK   4 1DKO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-DEC-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000010164.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-OCT-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.00                             
REMARK 200  PH                             : 6.60                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X8C                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.213963                           
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36860                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.380                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY                : 2.200                              
REMARK 200  R MERGE                    (I) : 0.04700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.38                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.46                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.08600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.57                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: ETHYLENE GLYCOL, GLYCEROL, 2             
REMARK 280  -MORPHOLINOPROPANESULFONIC ACID, MERCURIC CHLORIDE, SODIUM          
REMARK 280  TUNGSTATE, PH 6.60, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE      
REMARK 280  298.00K                                                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       35.32100            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       44.82650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.47600            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       44.82650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       35.32100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       37.47600            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS THE SINGLE MOLECULE IN THE        
REMARK 300 ASYMMETRIC UNIT.                                                     
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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    ALA A  25       74.52   -153.03                                   
REMARK 500    ASN A 126       91.18    169.43                                   
REMARK 500    PRO A 284      104.18    -37.84                                   
REMARK 500    GLN A 285     -159.90   -134.62                                   
REMARK 500    GLN A 287      -11.95   -163.99                                   
REMARK 500    ALA A 288      174.63    140.87                                   
REMARK 500    THR A 295     -129.01   -144.82                                   
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                              HG A 501  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ARG A  16   NH2                                                    
REMARK 620 2 ARG A  16   NH1  42.9                                              
REMARK 620 3 GLU A 219   OE1  54.8  62.6                                        
REMARK 620 4 GLU A 219   OE2  95.0  96.3  40.9                                  
REMARK 620 5 HIS A 250   NE2 139.7 168.7 108.8  73.0                            
REMARK 620 6 ASP A 304   OD1  61.7  88.6 110.9 138.3 101.9                      
REMARK 620 7 ASP A 325   OD2 111.9  76.3  74.0  58.0  94.4 159.9                
REMARK 620 8 THR A 327   O    90.3  53.8 110.5 122.7 128.8  93.3  67.1          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             WO4 A 504   W                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  17   NE2                                                    
REMARK 620 2 WO4 A 504   O1   70.0                                              
REMARK 620 3 WO4 A 504   O2  173.8 106.9                                        
REMARK 620 4 WO4 A 504   O3   70.3 111.6 106.8                                  
REMARK 620 5 WO4 A 504   O4   75.6 109.3 110.5 111.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              HG A 500  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 113   ND1                                                    
REMARK 620 2 ASP A 154   OD1 104.3                                              
REMARK 620 3 ASP A 154   OD2  85.6  43.7                                        
REMARK 620 4 HIS A 158   NE2 156.0  98.1 105.4                                  
REMARK 620 5 TYR A 289   O    80.8 172.6 132.9  76.1                            
REMARK 620 6 HOH A 612   O   111.0  73.6 117.2  83.3 109.8                      
REMARK 620 7 HOH A 794   O    78.1  90.8  48.0  93.3  85.0 163.3                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              HG A 503  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ALA A 278   O                                                      
REMARK 620 2 THR A 295   N   137.3                                              
REMARK 620 3 HOH A 843   O    89.4 116.7                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              HG A 502  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLN A 285   NE2                                                    
REMARK 620 2 LYS A 286   O    94.5                                              
REMARK 620 3 LEU A 293   O   113.8 118.6                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 500                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 502                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 503                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE WO4 A 504                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DKL   RELATED DB: PDB                                   
REMARK 900 PHYTASE AT PH 4.5 (NO LIGAND BOUND)                                  
REMARK 900 RELATED ID: 1DKM   RELATED DB: PDB                                   
REMARK 900 PHYTASE AT PH 6.6 (HG2+ ACTING AS AN INTERMOLECULAR BRIDGE)          
REMARK 900 RELATED ID: 1DKN   RELATED DB: PDB                                   
REMARK 900 PHYTASE AT PH 5.0 (HG2+ ACTING AS AN INTERMOLECULAR BRIDGE)          
REMARK 900 RELATED ID: 1DKP   RELATED DB: PDB                                   
REMARK 900 PHYTASE AT PH 6.6 (PHYTATE BOUND IN ACTIVE SITE, HG2+ ACTING AS AN   
REMARK 900 INTERMOLECULAR BRIDGE)                                               
REMARK 900 RELATED ID: 1DKQ   RELATED DB: PDB                                   
REMARK 900 PHYTASE AT PH 5.0 (PHYTATE BOUND IN ACTIVE SITE, HG2+ ACTING AS AN   
REMARK 900 INTERMOLECULAR BRIDGE)                                               
DBREF  1DKO A    1   410  UNP    P07102   PPA_ECOLI       23    432             
SEQADV 1DKO THR A  116  UNP  P07102    ALA   138 ENGINEERED MUTATION            
SEQRES   1 A  410  GLN SER GLU PRO GLU LEU LYS LEU GLU SER VAL VAL ILE          
SEQRES   2 A  410  VAL SER ARG HIS GLY VAL ARG ALA PRO THR LYS ALA THR          
SEQRES   3 A  410  GLN LEU MET GLN ASP VAL THR PRO ASP ALA TRP PRO THR          
SEQRES   4 A  410  TRP PRO VAL LYS LEU GLY TRP LEU THR PRO ARG GLY GLY          
SEQRES   5 A  410  GLU LEU ILE ALA TYR LEU GLY HIS TYR GLN ARG GLN ARG          
SEQRES   6 A  410  LEU VAL ALA ASP GLY LEU LEU ALA LYS LYS GLY CYS PRO          
SEQRES   7 A  410  GLN SER GLY GLN VAL ALA ILE ILE ALA ASP VAL ASP GLU          
SEQRES   8 A  410  ARG THR ARG LYS THR GLY GLU ALA PHE ALA ALA GLY LEU          
SEQRES   9 A  410  ALA PRO ASP CYS ALA ILE THR VAL HIS THR GLN THR ASP          
SEQRES  10 A  410  THR SER SER PRO ASP PRO LEU PHE ASN PRO LEU LYS THR          
SEQRES  11 A  410  GLY VAL CYS GLN LEU ASP ASN ALA ASN VAL THR ASP ALA          
SEQRES  12 A  410  ILE LEU SER ARG ALA GLY GLY SER ILE ALA ASP PHE THR          
SEQRES  13 A  410  GLY HIS ARG GLN THR ALA PHE ARG GLU LEU GLU ARG VAL          
SEQRES  14 A  410  LEU ASN PHE PRO GLN SER ASN LEU CYS LEU LYS ARG GLU          
SEQRES  15 A  410  LYS GLN ASP GLU SER CYS SER LEU THR GLN ALA LEU PRO          
SEQRES  16 A  410  SER GLU LEU LYS VAL SER ALA ASP ASN VAL SER LEU THR          
SEQRES  17 A  410  GLY ALA VAL SER LEU ALA SER MET LEU THR GLU ILE PHE          
SEQRES  18 A  410  LEU LEU GLN GLN ALA GLN GLY MET PRO GLU PRO GLY TRP          
SEQRES  19 A  410  GLY ARG ILE THR ASP SER HIS GLN TRP ASN THR LEU LEU          
SEQRES  20 A  410  SER LEU HIS ASN ALA GLN PHE TYR LEU LEU GLN ARG THR          
SEQRES  21 A  410  PRO GLU VAL ALA ARG SER ARG ALA THR PRO LEU LEU ASP          
SEQRES  22 A  410  LEU ILE LYS THR ALA LEU THR PRO HIS PRO PRO GLN LYS          
SEQRES  23 A  410  GLN ALA TYR GLY VAL THR LEU PRO THR SER VAL LEU PHE          
SEQRES  24 A  410  ILE ALA GLY HIS ASP THR ASN LEU ALA ASN LEU GLY GLY          
SEQRES  25 A  410  ALA LEU GLU LEU ASN TRP THR LEU PRO GLY GLN PRO ASP          
SEQRES  26 A  410  ASN THR PRO PRO GLY GLY GLU LEU VAL PHE GLU ARG TRP          
SEQRES  27 A  410  ARG ARG LEU SER ASP ASN SER GLN TRP ILE GLN VAL SER          
SEQRES  28 A  410  LEU VAL PHE GLN THR LEU GLN GLN MET ARG ASP LYS THR          
SEQRES  29 A  410  PRO LEU SER LEU ASN THR PRO PRO GLY GLU VAL LYS LEU          
SEQRES  30 A  410  THR LEU ALA GLY CYS GLU GLU ARG ASN ALA GLN GLY MET          
SEQRES  31 A  410  CYS SER LEU ALA GLY PHE THR GLN ILE VAL ASN GLU ALA          
SEQRES  32 A  410  ARG ILE PRO ALA CYS SER LEU                                  
HET     HG  A 500       1                                                       
HET     HG  A 501       1                                                       
HET     HG  A 502       1                                                       
HET     HG  A 503       1                                                       
HET    WO4  A 504       5                                                       
HETNAM      HG MERCURY (II) ION                                                 
HETNAM     WO4 TUNGSTATE(VI)ION                                                 
FORMUL   2   HG    4(HG 2+)                                                     
FORMUL   6  WO4    O4 W 2-                                                      
FORMUL   7  HOH   *259(H2 O)                                                    
HELIX    1   1 THR A   26  VAL A   32  1                                   7    
HELIX    2   2 THR A   48  ASP A   69  1                                  22    
HELIX    3   3 ASP A   90  ALA A  105  1                                  16    
HELIX    4   4 ASP A  122  ASN A  126  5                                   5    
HELIX    5   5 ASP A  136  ALA A  148  1                                  13    
HELIX    6   6 SER A  151  HIS A  158  1                                   8    
HELIX    7   7 ARG A  159  ASN A  171  1                                  13    
HELIX    8   8 PHE A  172  GLN A  174  5                                   3    
HELIX    9   9 SER A  175  LYS A  180  1                                   6    
HELIX   10  10 SER A  189  LEU A  194  1                                   6    
HELIX   11  11 THR A  208  GLY A  228  1                                  21    
HELIX   12  12 GLU A  231  ARG A  236  5                                   6    
HELIX   13  13 ASP A  239  GLN A  258  1                                  20    
HELIX   14  14 THR A  260  THR A  280  1                                  21    
HELIX   15  15 HIS A  303  GLU A  315  1                                  13    
HELIX   16  16 THR A  356  ASP A  362  1                                   7    
HELIX   17  17 LEU A  393  ARG A  404  1                                  12    
HELIX   18  18 ILE A  405  SER A  409  5                                   5    
SHEET    1   A 7 VAL A 112  HIS A 113  0                                        
SHEET    2   A 7 VAL A  83  ALA A  87  1  O  ILE A  85   N  HIS A 113           
SHEET    3   A 7 VAL A 297  GLY A 302  1  O  VAL A 297   N  ALA A  84           
SHEET    4   A 7 LEU A   6  ARG A  16  1  O  VAL A  11   N  LEU A 298           
SHEET    5   A 7 GLU A 332  ARG A 340 -1  N  LEU A 333   O  VAL A  14           
SHEET    6   A 7 GLN A 346  PHE A 354 -1  O  TRP A 347   N  TRP A 338           
SHEET    7   A 7 GLY A 373  LEU A 377 -1  O  GLY A 373   N  PHE A 354           
SHEET    1  A1 7 VAL A 112  HIS A 113  0                                        
SHEET    2  A1 7 VAL A  83  ALA A  87  1  O  ILE A  85   N  HIS A 113           
SHEET    3  A1 7 VAL A 297  GLY A 302  1  O  VAL A 297   N  ALA A  84           
SHEET    4  A1 7 LEU A   6  ARG A  16  1  O  VAL A  11   N  LEU A 298           
SHEET    5  A1 7 GLU A 332  ARG A 340 -1  N  LEU A 333   O  VAL A  14           
SHEET    6  A1 7 GLN A 346  PHE A 354 -1  O  TRP A 347   N  TRP A 338           
SHEET    7  A1 7 CYS A 391  SER A 392 -1  O  CYS A 391   N  ILE A 348           
SHEET    1   B 2 LEU A 198  SER A 201  0                                        
SHEET    2   B 2 ASN A 204  LEU A 207 -1  O  ASN A 204   N  SER A 201           
SSBOND   1 CYS A   77    CYS A  108                          1555   1555  2.03  
SSBOND   2 CYS A  133    CYS A  408                          1555   1555  2.02  
SSBOND   3 CYS A  178    CYS A  188                          1555   1555  2.03  
SSBOND   4 CYS A  382    CYS A  391                          1555   1555  2.02  
LINK         NH2 ARG A  16                HG    HG A 501     1555   1555  3.30  
LINK         NH1 ARG A  16                HG    HG A 501     1555   1555  2.89  
LINK         NE2 HIS A  17                 W   WO4 A 504     1555   1555  2.45  
LINK         ND1 HIS A 113                HG    HG A 500     1555   1555  2.49  
LINK         OD1 ASP A 154                HG    HG A 500     3555   1555  2.75  
LINK         OD2 ASP A 154                HG    HG A 500     3555   1555  3.07  
LINK         NE2 HIS A 158                HG    HG A 500     3555   1555  2.35  
LINK         OE1 GLU A 219                HG    HG A 501     1555   1555  3.17  
LINK         OE2 GLU A 219                HG    HG A 501     1555   1555  3.11  
LINK         NE2 HIS A 250                HG    HG A 501     1555   1555  2.72  
LINK         O   ALA A 278                HG    HG A 503     1555   1555  2.59  
LINK         NE2 GLN A 285                HG    HG A 502     1555   1555  3.51  
LINK         O   LYS A 286                HG    HG A 502     1555   1555  3.20  
LINK         O   TYR A 289                HG    HG A 500     1555   1555  3.02  
LINK         O   LEU A 293                HG    HG A 502     1555   1555  2.73  
LINK         N   THR A 295                HG    HG A 503     1555   1555  2.73  
LINK         OD1 ASP A 304                HG    HG A 501     1555   1555  2.94  
LINK         OD2 ASP A 325                HG    HG A 501     1555   1555  2.74  
LINK         O   THR A 327                HG    HG A 501     1555   1555  3.38  
LINK        HG    HG A 500                 O   HOH A 612     1555   1555  2.94  
LINK        HG    HG A 500                 O   HOH A 794     1555   3555  3.30  
LINK        HG    HG A 503                 O   HOH A 843     1555   1555  2.98  
CISPEP   1 LEU A  293    PRO A  294          0        -0.10                     
SITE     1 AC1  5 HIS A 113  ASP A 154  HIS A 158  TYR A 289                    
SITE     2 AC1  5 HOH A 612                                                     
SITE     1 AC2  6 ARG A  16  GLU A 219  HIS A 250  ASP A 304                    
SITE     2 AC2  6 ASP A 325  THR A 327                                          
SITE     1 AC3  3 GLN A 285  LYS A 286  LEU A 293                               
SITE     1 AC4  4 ALA A 278  PRO A 294  THR A 295  HOH A 843                    
SITE     1 AC5  7 ARG A  16  HIS A  17  ARG A  20  ARG A  92                    
SITE     2 AC5  7 HIS A 303  ASP A 304  HOH A 660                               
CRYST1   70.642   74.952   89.653  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.014156  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013342  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011154        0.00000