HEADER    HYDROLASE                               29-AUG-05   2AUU              
TITLE     INORGANIC PYROPHOSPHATASE COMPLEXED WITH MAGNESIUM PYROPHOSPHATE AND  
TITLE    2 FLUORIDE                                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INORGANIC PYROPHOSPHATASE;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PYROPHOSPHATE PHOSPHO- HYDROLASE, PPASE;                    
COMPND   5 EC: 3.6.1.1;                                                         
COMPND   6 ENGINEERED: 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_STRAIN: JM109;                                     
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PUC19                                     
KEYWDS    INORGANIC PYROPHOSPHATASE, MAGNESIUM PYROPHOSPHATE, FLUORIDE,         
KEYWDS   2 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.R.SAMYGINA,A.N.POPOV,S.M.AVAEVA,H.D.BARTUNIK                        
REVDAT   6   25-OCT-23 2AUU    1       REMARK LINK                              
REVDAT   5   11-OCT-17 2AUU    1       REMARK                                   
REVDAT   4   13-JUL-11 2AUU    1       VERSN                                    
REVDAT   3   24-FEB-09 2AUU    1       VERSN                                    
REVDAT   2   01-JAN-08 2AUU    1       JRNL                                     
REVDAT   1   29-AUG-06 2AUU    0                                                
JRNL        AUTH   V.R.SAMYGINA,V.M.MOISEEV,E.V.RODINA,N.N.VOROBYEVA,A.N.POPOV, 
JRNL        AUTH 2 S.A.KURILOVA,T.I.NAZAROVA,S.M.AVAEVA,H.D.BARTUNIK            
JRNL        TITL   REVERSIBLE INHIBITION OF ESCHERICHIA COLI INORGANIC          
JRNL        TITL 2 PYROPHOSPHATASE BY FLUORIDE: TRAPPED CATALYTIC INTERMEDIATES 
JRNL        TITL 3 IN CRYO-CRYSTALLOGRAPHIC STUDIES                             
JRNL        REF    J.MOL.BIOL.                   V. 366  1305 2007              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   17196979                                                     
JRNL        DOI    10.1016/J.JMB.2006.11.082                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.22 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL                                               
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.22                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.8                           
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.150                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.150                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.184                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 2536                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 48400                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.140                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.140                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.171                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 2109                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 40797                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 1380                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 18                                            
REMARK   3   SOLVENT ATOMS      : 190                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 1542.7                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 1292.0                  
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 21                      
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 14990                   
REMARK   3   NUMBER OF RESTRAINTS                     : 19181                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.017                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.042                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2AUU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 31-AUG-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000034339.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-MAY-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : MPG/DESY, HAMBURG                  
REMARK 200  BEAMLINE                       : BW6                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.05                               
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : DOUBLE FOCUSSING X-RAY OPTICS      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
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   : 50936                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.220                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.04700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.22                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.23                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.33800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.680                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: 1I6T                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.15                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.0                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       54.68150            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       31.57038            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       25.05500            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       54.68150            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       31.57038            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       25.05500            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       54.68150            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       31.57038            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       25.05500            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       54.68150            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       31.57038            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       25.05500            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       54.68150            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       31.57038            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       25.05500            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       54.68150            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       31.57038            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       25.05500            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       63.14076            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000       50.11000            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       63.14076            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000       50.11000            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       63.14076            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000       50.11000            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       63.14076            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       50.11000            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       63.14076            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000       50.11000            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       63.14076            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000       50.11000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: HEXAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 22240 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 36640 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -555.0 KCAL/MOL                       
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 350   BIOMT1   2 -0.500000 -0.866025  0.000000      164.04450            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       94.71114            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      189.42227            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       75.16500            
REMARK 350   BIOMT1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   5  0.000000 -1.000000  0.000000      189.42227            
REMARK 350   BIOMT3   5  0.000000  0.000000 -1.000000       75.16500            
REMARK 350   BIOMT1   6 -0.500000 -0.866025  0.000000      164.04450            
REMARK 350   BIOMT2   6 -0.866025  0.500000  0.000000       94.71114            
REMARK 350   BIOMT3   6  0.000000  0.000000 -1.000000       75.16500            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 301  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 359  LIES ON A SPECIAL POSITION.                          
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    LEU A   3   O   -  C   -  N   ANGL. DEV. = -11.3 DEGREES          
REMARK 500    ASN A   4   O   -  C   -  N   ANGL. DEV. = -13.0 DEGREES          
REMARK 500    LEU A  11   CA  -  CB  -  CG  ANGL. DEV. =  18.2 DEGREES          
REMARK 500    TYR A  16   CB  -  CG  -  CD2 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500    TYR A  16   CB  -  CG  -  CD1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ASP A  65   CB  -  CG  -  OD2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ASP A 102   CB  -  CG  -  OD1 ANGL. DEV. =   8.0 DEGREES          
REMARK 500    ASP A 102   CB  -  CG  -  OD2 ANGL. DEV. =  -8.0 DEGREES          
REMARK 500    ASP A 118   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP A 118   CB  -  CG  -  OD2 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500    ASN A 124   CA  -  CB  -  CG  ANGL. DEV. =  13.6 DEGREES          
REMARK 500    GLU A 153   CA  -  CB  -  CG  ANGL. DEV. =  13.2 DEGREES          
REMARK 500    ARG A 171   NE  -  CZ  -  NH1 ANGL. DEV. =   6.1 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    ASP A  10       81.32   -166.12                                   
REMARK 500    ASP A 102       61.62   -152.33                                   
REMARK 500    SER A 114      146.34   -175.28                                   
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                              MG A 204  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  31   OE2                                                    
REMARK 620 2 POP A 180   O6   87.8                                              
REMARK 620 3 POP A 180   O3   93.0  84.6                                        
REMARK 620 4 HOH A 378   O   172.8  90.2  93.8                                  
REMARK 620 5 HOH A 479   O    88.1  91.8 176.2  85.0                            
REMARK 620 6 HOH A 480   O    94.0 177.8  94.0  88.2  89.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 201  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  65   OD1                                                    
REMARK 620 2 ASP A  70   OD2 161.7                                              
REMARK 620 3 ASP A 102   OD1  84.9  79.6                                        
REMARK 620 4 POP A 180   O4   99.9  94.6 110.2                                  
REMARK 620 5 HOH A 322   O    85.5  82.5  80.9 167.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 202  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  70   OD1                                                    
REMARK 620 2 POP A 180   O5   97.3                                              
REMARK 620 3 HOH A 308   O    82.6  95.5                                        
REMARK 620 4 HOH A 315   O    88.4 171.7  91.1                                  
REMARK 620 5 HOH A 353   O   175.6  83.4  93.0  91.3                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 203  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  97   OD2                                                    
REMARK 620 2 ASP A 102   OD2  90.8                                              
REMARK 620 3 POP A 180   O4  171.3  86.4                                        
REMARK 620 4 POP A 180   O1   90.2 176.1  93.2                                  
REMARK 620 5 HOH A 355   O    90.0  83.8  97.9  92.4                            
REMARK 620 6 HOH A 364   O    85.8  89.3  85.9  94.5 171.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 206  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 LYS A 142   O                                                      
REMARK 620 2 GLU A 145   O    92.8                                              
REMARK 620 3 LYS A 148   O    97.4  88.2                                        
REMARK 620 4 HOH A 337   O    86.9 174.6  97.2                                  
REMARK 620 5 HOH A 390   O    97.7  80.0 161.2  94.7                            
REMARK 620 6 HOH A 404   O   176.2  83.4  82.5  96.9  81.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 207  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 301   O                                                      
REMARK 620 2 HOH A 347   O    36.7                                              
REMARK 620 3 HOH A 359   O    99.2  94.0                                        
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 MG A 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 203                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 204                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 206                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 207                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 208                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 209                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE F A 211                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE POP A 180                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2AU6   RELATED DB: PDB                                   
REMARK 900 CATALYTIC INTERMEDIATE STRUCTURE OF THE SAME PROTEIN                 
REMARK 900 RELATED ID: 2AU7   RELATED DB: PDB                                   
REMARK 900 THE R43Q ACTIVE SITE VARIANT OF THE SAME PROTEIN                     
REMARK 900 RELATED ID: 2AU8   RELATED DB: PDB                                   
REMARK 900 CATALYTIC INTERMEDIATE STRUCTURE OF THE SAME PROTEIN                 
REMARK 900 RELATED ID: 2AU9   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH SUBSTRATE                            
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THERE IS THR IN THE POSITION 85 ACCORDING TO:                        
REMARK 999 OGANESSYAN V.YU., KURILOVA S.A., VOROBEVA N.N.,                      
REMARK 999 NAZAROVA T.I., POPOV A.N., LEBEDEV A.A.,                             
REMARK 999 AVAEVA S.M., HARUTYUNYAN E.H.(1994)                                  
REMARK 999 FEBS LETT., 348, P301-304. ANALYSIS OF THE                           
REMARK 999 DENSITY MAP SHOWS THAT RESIDUE IN THIS POSITION.                     
DBREF  2AUU A    1   175  UNP    P0A7A9   IPYR_ECOLI       1    175             
SEQADV 2AUU THR A   85  UNP  P0A7A9    ILE    85 SEE REMARK 999                 
SEQRES   1 A  175  SER LEU LEU ASN VAL PRO ALA GLY LYS ASP LEU PRO GLU          
SEQRES   2 A  175  ASP ILE TYR VAL VAL ILE GLU ILE PRO ALA ASN ALA ASP          
SEQRES   3 A  175  PRO ILE LYS TYR GLU ILE ASP LYS GLU SER GLY ALA LEU          
SEQRES   4 A  175  PHE VAL ASP ARG PHE MET SER THR ALA MET PHE TYR PRO          
SEQRES   5 A  175  CYS ASN TYR GLY TYR ILE ASN HIS THR LEU SER LEU ASP          
SEQRES   6 A  175  GLY ASP PRO VAL ASP VAL LEU VAL PRO THR PRO TYR PRO          
SEQRES   7 A  175  LEU GLN PRO GLY SER VAL THR ARG CYS ARG PRO VAL GLY          
SEQRES   8 A  175  VAL LEU LYS MET THR ASP GLU ALA GLY GLU ASP ALA LYS          
SEQRES   9 A  175  LEU VAL ALA VAL PRO HIS SER LYS LEU SER LYS GLU TYR          
SEQRES  10 A  175  ASP HIS ILE LYS ASP VAL ASN ASP LEU PRO GLU LEU LEU          
SEQRES  11 A  175  LYS ALA GLN ILE ALA HIS PHE PHE GLU HIS TYR LYS ASP          
SEQRES  12 A  175  LEU GLU LYS GLY LYS TRP VAL LYS VAL GLU GLY TRP GLU          
SEQRES  13 A  175  ASN ALA GLU ALA ALA LYS ALA GLU ILE VAL ALA SER PHE          
SEQRES  14 A  175  GLU ARG ALA LYS ASN LYS                                      
HET     MG  A 201       1                                                       
HET     MG  A 202       1                                                       
HET     MG  A 203       1                                                       
HET     MG  A 204       1                                                       
HET     NA  A 206       1                                                       
HET     NA  A 207       1                                                       
HET     CL  A 208       2                                                       
HET     CL  A 209       1                                                       
HET      F  A 211       1                                                       
HET    POP  A 180       9                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      NA SODIUM ION                                                       
HETNAM      CL CHLORIDE ION                                                     
HETNAM       F FLUORIDE ION                                                     
HETNAM     POP PYROPHOSPHATE 2-                                                 
FORMUL   2   MG    4(MG 2+)                                                     
FORMUL   6   NA    2(NA 1+)                                                     
FORMUL   8   CL    2(CL 1-)                                                     
FORMUL  10    F    F 1-                                                         
FORMUL  11  POP    H2 O7 P2 2-                                                  
FORMUL  12  HOH   *190(H2 O)                                                    
HELIX    1   1 SER A    1  VAL A    5  5                                   5    
HELIX    2   2 ASP A  122  LEU A  126  5                                   5    
HELIX    3   3 PRO A  127  TYR A  141  1                                  15    
HELIX    4   4 ASN A  157  ASN A  174  1                                  18    
SHEET    1   A 8 GLY A 100  GLU A 101  0                                        
SHEET    2   A 8 VAL A 150  GLU A 156  0                                        
SHEET    3   A 8 ILE A  15  ILE A  21  0                                        
SHEET    4   A 8 ASN A  54  TYR A  57 -1  O  TYR A  55   N  ILE A  21           
SHEET    5   A 8 ASP A  70  VAL A  73 -1  O  VAL A  73   N  ASN A  54           
SHEET    6   A 8 LYS A 104  PRO A 109  1  O  LEU A 105   N  LEU A  72           
SHEET    7   A 8 VAL A  84  ASP A  97 -1  N  VAL A  90   O  VAL A 106           
SHEET    8   A 8 VAL A 150  GLU A 156 -1  O  GLU A 153   N  LYS A  94           
SHEET    1   B 2 ILE A  28  ILE A  32  0                                        
SHEET    2   B 2 LEU A  39  PHE A  44 -1  O  ARG A  43   N  LYS A  29           
LINK         OE2 GLU A  31                MG    MG A 204     1555   1555  2.10  
LINK         OD1 ASP A  65                MG    MG A 201     1555   1555  1.92  
LINK         OD2 ASP A  70                MG    MG A 201     1555   1555  2.12  
LINK         OD1 ASP A  70                MG    MG A 202     1555   1555  2.08  
LINK         OD2 ASP A  97                MG    MG A 203     1555   1555  1.99  
LINK         OD1 ASP A 102                MG    MG A 201     1555   1555  2.10  
LINK         OD2 ASP A 102                MG    MG A 203     1555   1555  2.09  
LINK         O   LYS A 142                NA  A NA A 206     1555   1555  2.46  
LINK         O   GLU A 145                NA  A NA A 206     1555   1555  2.27  
LINK         O   LYS A 148                NA  A NA A 206     1555   1555  2.39  
LINK         O4  POP A 180                MG    MG A 201     1555   1555  2.00  
LINK         O5  POP A 180                MG    MG A 202     1555   1555  2.06  
LINK         O4  POP A 180                MG    MG A 203     1555   1555  2.23  
LINK         O1  POP A 180                MG    MG A 203     1555   1555  2.01  
LINK         O6  POP A 180                MG    MG A 204     1555   1555  1.99  
LINK         O3  POP A 180                MG    MG A 204     1555   1555  1.96  
LINK        MG    MG A 201                 O  AHOH A 322     1555   1555  2.23  
LINK        MG    MG A 202                 O   HOH A 308     1555   1555  2.07  
LINK        MG    MG A 202                 O   HOH A 315     1555   1555  2.06  
LINK        MG    MG A 202                 O   HOH A 353     1555   1555  2.12  
LINK        MG    MG A 203                 O   HOH A 355     1555   1555  2.15  
LINK        MG    MG A 203                 O   HOH A 364     1555   1555  2.05  
LINK        MG    MG A 204                 O   HOH A 378     1555   1555  2.04  
LINK        MG    MG A 204                 O   HOH A 479     1555   1555  2.01  
LINK        MG    MG A 204                 O  AHOH A 480     1555   1555  2.02  
LINK        NA  A NA A 206                 O   HOH A 337     1555   1555  2.28  
LINK        NA  A NA A 206                 O  AHOH A 390     1555   1555  2.62  
LINK        NA  A NA A 206                 O   HOH A 404     1555   1555  2.72  
LINK        NA    NA A 207                 O  BHOH A 301     1555   1555  2.53  
LINK        NA    NA A 207                 O  AHOH A 347     1555   1555  2.57  
LINK        NA    NA A 207                 O  BHOH A 359     1555   1555  2.42  
CISPEP   1 LEU A   11    PRO A   12          0        -5.44                     
SITE     1 AC1  8 ASP A  65  ASP A  70  ASP A 102  POP A 180                    
SITE     2 AC1  8  MG A 202   MG A 203    F A 211  HOH A 322                    
SITE     1 AC2  7 ASP A  70  POP A 180   MG A 201    F A 211                    
SITE     2 AC2  7 HOH A 308  HOH A 315  HOH A 353                               
SITE     1 AC3  6 ASP A  97  ASP A 102  POP A 180   MG A 201                    
SITE     2 AC3  6 HOH A 355  HOH A 364                                          
SITE     1 AC4  5 GLU A  31  POP A 180  HOH A 378  HOH A 479                    
SITE     2 AC4  5 HOH A 480                                                     
SITE     1 AC5  6 LYS A 142  GLU A 145  LYS A 148  HOH A 337                    
SITE     2 AC5  6 HOH A 390  HOH A 404                                          
SITE     1 AC6  6 ASN A  24  HOH A 301  HOH A 310  HOH A 325                    
SITE     2 AC6  6 HOH A 347  HOH A 359                                          
SITE     1 AC7  2 ALA A   7  GLY A   8                                          
SITE     1 AC8  2 LYS A 131  TRP A 155                                          
SITE     1 AC9  9 ASP A  65  ASP A  67  ASP A  70  POP A 180                    
SITE     2 AC9  9  MG A 201   MG A 202  HOH A 315  HOH A 322                    
SITE     3 AC9  9 HOH A 353                                                     
SITE     1 BC1 24 LYS A  29  GLU A  31  ARG A  43  TYR A  55                    
SITE     2 BC1 24 ASP A  65  ASP A  67  ASP A  70  ASP A  97                    
SITE     3 BC1 24 ASP A 102  TYR A 141  LYS A 142   MG A 201                    
SITE     4 BC1 24  MG A 202   MG A 203   MG A 204    F A 211                    
SITE     5 BC1 24 HOH A 308  HOH A 350  HOH A 353  HOH A 355                    
SITE     6 BC1 24 HOH A 364  HOH A 378  HOH A 479  HOH A 480                    
CRYST1  109.363  109.363   75.165  90.00  90.00 120.00 H 3 2        18          
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      0.009144  0.005279  0.000000        0.00000                         
SCALE2      0.000000  0.010558  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013304        0.00000