HEADER    ISOMERASE                               30-APR-02   1GYY              
TITLE     THE CRYSTAL STRUCTURE OF YDCE, A 4-OXALOCROTONATE TAUTOMERASE         
TITLE    2 HOMOLOGUE FROM ESCHERICHIA COLI, CONFIRMS THE STRUCTURAL BASIS FOR   
TITLE    3 OLIGOMER DIVERSITY                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HYPOTHETICAL PROTEIN YDCE;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: YDCE, B1461;                                                
COMPND   5 EC: 5.3.2.1;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 OTHER_DETAILS: INACTIVATED BY (E)-2-FLUORO-P-HYDROXYCINNAMATE        
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: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PET24A+                                   
KEYWDS    TAUTOMERASE, ISOMERASE, HYPOTHETICAL PROTEIN, COMPLETE PROTE          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.ALMRUD,A.KERN,S.WANG,R.CZERWINSKI,W.JOHNSON,A.MURZIN,M.HACKERT,     
AUTHOR   2 C.WHITMAN                                                            
REVDAT   4   01-MAY-24 1GYY    1       REMARK                                   
REVDAT   3   27-FEB-19 1GYY    1       REMARK                                   
REVDAT   2   24-FEB-09 1GYY    1       VERSN                                    
REVDAT   1   10-OCT-02 1GYY    0                                                
JRNL        AUTH   J.ALMRUD,A.KERN,S.WANG,R.CZERWINSKI,W.JOHNSON,A.MURZIN,      
JRNL        AUTH 2 M.HACKERT,C.WHITMAN                                          
JRNL        TITL   THE CRYSTAL STRUCTURE OF YDCE, A 4-OXALOCROTONATE            
JRNL        TITL 2 TAUTOMERASE HOMOLOGUE FROM ESCHERICHIA COLI, CONFIRMS THE    
JRNL        TITL 3 STRUCTURAL BASIS FOR OLIGOMER DIVERSITY                      
JRNL        REF    BIOCHEMISTRY                  V.  41 12010 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12356301                                                     
JRNL        DOI    10.1021/BI020271H                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.35 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.35                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 91.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 36652                          
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 + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.151                           
REMARK   3   FREE R VALUE                     : 0.173                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1678                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1188                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 283                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.064         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.054         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.350         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.660         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1GYY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-APR-02.                  
REMARK 100 THE DEPOSITION ID IS D_1290009762.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-OCT-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 110.0                              
REMARK 200  PH                             : 6.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU IMAGE PLATE                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 276503                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.350                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.4                               
REMARK 200  DATA REDUNDANCY                : 7.500                              
REMARK 200  R MERGE                    (I) : 0.03700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 29.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.39                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 35.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.16000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.200                              
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: PARTIALLY REFINED 1.5A RESOLUTION NATIVE             
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.87                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 25MG/ML IN 50MM HEPES, PH       
REMARK 280  7.3, 4 CELCIUS, SITTING DROP: MIX 15UL PROTEIN WITH 5UL 40%         
REMARK 280  SODIUM CITRATE PH 6.5, PH 6.50, VAPOR DIFFUSION, SITTING DROP,      
REMARK 280  TEMPERATURE 277K                                                    
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       22.35000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.10000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       23.35000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.10000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.35000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       23.35000            
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 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: PQS                                                   
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLU A  11    CG   CD   OE1  OE2                                  
REMARK 470     GLN A  15    CG   CD   OE1  NE2                                  
REMARK 470     GLU B  11    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  2132     O    HOH B  2063     3645     2.10            
REMARK 500   O    HOH A  2062     O    HOH B  2121     4555     2.19            
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  30   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ARG B  30   NE  -  CZ  -  NH1 ANGL. DEV. =   4.8 DEGREES          
REMARK 500    ARG B  30   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500    GLN B  62   CA  -  CB  -  CG  ANGL. DEV. =  13.7 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    ILE B  59      -61.02   -103.83                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    LYS A  35        -12.13                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2020        DISTANCE =  6.11 ANGSTROMS                       
REMARK 525    HOH B2002        DISTANCE =  7.82 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FHC A 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FHC B 500                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1GYJ   RELATED DB: PDB                                   
REMARK 900 THE CRYSTAL STRUCTURE OF YDCE, A 4- OXALOCROTONATE TAUTOMERASE       
REMARK 900 HOMOLOGUE FROM ESCHERICHIA COLI, CONFIRMS THE STRUCTURAL BASIS FOR   
REMARK 900 OLIGOMER DIVERSITY                                                   
REMARK 900 RELATED ID: 1GYX   RELATED DB: PDB                                   
REMARK 900 THE CRYSTAL STRUCTURE OF YDCE, A 4- OXALOCROTONATE TAUTOMERASE       
REMARK 900 HOMOLOGUE FROM ESCHERICHIA COLI, CONFIRMS THE STRUCTURAL BASIS FOR   
REMARK 900 OLIGOMER DIVERSITY                                                   
DBREF  1GYY A    1    76  UNP    P31992   YDCE_ECOLI       2     77             
DBREF  1GYY B    1    76  UNP    P31992   YDCE_ECOLI       2     77             
SEQRES   1 A   76  PRO HIS ILE ASP ILE LYS CYS PHE PRO ARG GLU LEU ASP          
SEQRES   2 A   76  GLU GLN GLN LYS ALA ALA LEU ALA ALA ASP ILE THR ASP          
SEQRES   3 A   76  VAL ILE ILE ARG HIS LEU ASN SER LYS ASP SER SER ILE          
SEQRES   4 A   76  SER ILE ALA LEU GLN GLN ILE GLN PRO GLU SER TRP GLN          
SEQRES   5 A   76  ALA ILE TRP ASP ALA GLU ILE ALA PRO GLN MET GLU ALA          
SEQRES   6 A   76  LEU ILE LYS LYS PRO GLY TYR SER MET ASN ALA                  
SEQRES   1 B   76  PRO HIS ILE ASP ILE LYS CYS PHE PRO ARG GLU LEU ASP          
SEQRES   2 B   76  GLU GLN GLN LYS ALA ALA LEU ALA ALA ASP ILE THR ASP          
SEQRES   3 B   76  VAL ILE ILE ARG HIS LEU ASN SER LYS ASP SER SER ILE          
SEQRES   4 B   76  SER ILE ALA LEU GLN GLN ILE GLN PRO GLU SER TRP GLN          
SEQRES   5 B   76  ALA ILE TRP ASP ALA GLU ILE ALA PRO GLN MET GLU ALA          
SEQRES   6 B   76  LEU ILE LYS LYS PRO GLY TYR SER MET ASN ALA                  
HET    FHC  A 500      13                                                       
HET    FHC  B 500      13                                                       
HETNAM     FHC 2-FLUORO-3-(4-HYDROXYPHENYL)-2E-PROPENEOATE                      
HETSYN     FHC (E)-2-FLUORO-P-HYDROXYCINNAMATE                                  
FORMUL   3  FHC    2(C9 H6 F O3 1-)                                             
FORMUL   5  HOH   *283(H2 O)                                                    
HELIX    1   1 ASP A   13  ASN A   33  1                                  21    
HELIX    2   2 LYS A   35  ILE A   39  5                                   5    
HELIX    3   3 GLN A   47  GLU A   49  5                                   3    
HELIX    4   4 SER A   50  GLU A   58  1                                   9    
HELIX    5   5 ASP B   13  ASN B   33  1                                  21    
HELIX    6   6 LYS B   35  ILE B   39  5                                   5    
HELIX    7   7 GLN B   47  GLU B   49  5                                   3    
HELIX    8   8 SER B   50  ILE B   59  1                                  10    
HELIX    9   9 ALA B   60  LEU B   66  5                                   7    
SHEET    1  AA 4 SER A  40  GLN A  45  0                                        
SHEET    2  AA 4 HIS A   2  CYS A   7  1  O  ILE A   3   N  ALA A  42           
SHEET    3  AA 4 HIS B   2  CYS B   7 -1  O  HIS B   2   N  LYS A   6           
SHEET    4  AA 4 SER B  40  GLN B  45  1  O  SER B  40   N  ILE B   3           
SITE     1 AC1  9 PRO A   1  SER A  38  HOH A2149  HOH A2150                    
SITE     2 AC1  9 CYS B   7  PHE B   8  ARG B  10  TRP B  51                    
SITE     3 AC1  9 TYR B  72                                                     
SITE     1 AC2 10 CYS A   7  PHE A   8  ARG A  10  TRP A  51                    
SITE     2 AC2 10 TYR A  72  PRO B   1  SER B  38  HOH B2131                    
SITE     3 AC2 10 HOH B2132  HOH B2133                                          
CRYST1   44.700   46.700   76.200  90.00  90.00  90.00 P 21 21 21    8          
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      0.022371  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.021413  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013123        0.00000                         
MTRIX1   1 -0.423087  0.906067  0.006327       15.14100    1                    
MTRIX2   1  0.906043  0.423126 -0.007145       -9.70400    1                    
MTRIX3   1 -0.009151  0.002709 -0.999954       20.07800    1