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Database: PDB
Entry: 1A05
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Original site: 1A05 
HEADER    OXIDOREDUCTASE                          09-DEC-97   1A05              
TITLE     CRYSTAL STRUCTURE OF THE COMPLEX OF 3-ISOPROPYLMALATE DEHYDROGENASE   
TITLE    2 FROM THIOBACILLUS FERROOXIDANS WITH 3-ISOPROPYLMALATE                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3-ISOPROPYLMALATE DEHYDROGENASE;                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: IPMDH, IMDH;                                                
COMPND   5 EC: 1.1.1.85;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ACIDITHIOBACILLUS FERROOXIDANS;                 
SOURCE   3 ORGANISM_TAXID: 920;                                                 
SOURCE   4 STRAIN: AP19-3;                                                      
SOURCE   5 GENE: LEUB;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: JA221;                                     
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PKKLEUB1                                  
KEYWDS    OXIDOREDUCTASE, DECARBOXYLATING DEHYDROGENASE, LEUCINE BIOSYNTHESIS   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.IMADA,K.INAGAKI,H.MATSUNAMI,H.KAWAGUCHI,H.TANAKA,N.TANAKA,K.NAMBA   
REVDAT   3   02-AUG-23 1A05    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1A05    1       VERSN                                    
REVDAT   1   17-JUN-98 1A05    0                                                
JRNL        AUTH   K.IMADA,K.INAGAKI,H.MATSUNAMI,H.KAWAGUCHI,H.TANAKA,N.TANAKA, 
JRNL        AUTH 2 K.NAMBA                                                      
JRNL        TITL   STRUCTURE OF 3-ISOPROPYLMALATE DEHYDROGENASE IN COMPLEX WITH 
JRNL        TITL 2 3-ISOPROPYLMALATE AT 2.0 A RESOLUTION: THE ROLE OF GLU88 IN  
JRNL        TITL 3 THE UNIQUE SUBSTRATE-RECOGNITION MECHANISM.                  
JRNL        REF    STRUCTURE                     V.   6   971 1998              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   9739088                                                      
JRNL        DOI    10.1016/S0969-2126(98)00099-9                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   H.MATSUNAMI,H.KAWAGUCHI,K.INAGAKI,T.EGUCHI,K.KAKINUMA,       
REMARK   1  AUTH 2 H.TANAKA                                                     
REMARK   1  TITL   OVERPRODUCTION AND SUBSTRATE SPECIFICITY OF                  
REMARK   1  TITL 2 3-ISOPROPYLMALATE DEHYDROGENASE FROM THIOBACILLUS            
REMARK   1  TITL 3 FERROOXIDANS                                                 
REMARK   1  REF    BIOSCI.BIOTECHNOL.BIOCHEM.    V.  62   372 1998              
REMARK   1  REFN                   ISSN 0916-8451                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   H.KAWAGUCHI,K.INAGAKI,Y.KUWATA,H.TANAKA,T.TANO               
REMARK   1  TITL   3-ISOPROPYLMALATE DEHYDROGENASE FROM CHEMOLITHOAUTOTROPH     
REMARK   1  TITL 2 THIOBACILLUS FERROOXIDANS: DNA SEQUENCE, ENZYME              
REMARK   1  TITL 3 PURIFICATION, AND CHARACTERIZATION                           
REMARK   1  REF    J.BIOCHEM.(TOKYO)             V. 114   370 1993              
REMARK   1  REFN                   ISSN 0021-924X                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   K.INAGAKI,H.KAWAGUCHI,Y.KUWATA,T.SUGIO,H.TANAKA,T.TANO       
REMARK   1  TITL   CLONING AND EXPRESSION OF THE THIOBACILLUS FERROOXIDANS      
REMARK   1  TITL 2 3-ISOPROPYLMALATE DEHYDROGENASE GENE IN ESCHERICHIA COLI     
REMARK   1  REF    J.FERMENT.BIOENG.             V.  70    71 1990              
REMARK   1  REFN                   ISSN 0922-338X                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 550.000                        
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 75.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 43200                          
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) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.275                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4320                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.09                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 46.55                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2918                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2790                       
REMARK   3   BIN FREE R VALUE                    : 0.2990                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 11.70                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 342                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5384                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 504                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.37                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 8.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.31                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.22                            
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) : 23.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.220                           
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) : 2.271 ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.331 ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : 4.026 ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.798 ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : UNRESTRAINED                                            
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  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : PARAM19.ION                                    
REMARK   3  PARAMETER FILE  3  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  4  : IPM.PAR                                        
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH19.ION                                     
REMARK   3  TOPOLOGY FILE  3   : TOPH19.SOL                                     
REMARK   3  TOPOLOGY FILE  4   : IPM.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1A05 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170227.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : FEB-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
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 FR-C                        
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : YALE MIRRORS                       
REMARK 200  OPTICS                         : YALE MIRRORS                       
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : PROCESS                            
REMARK 200  DATA SCALING SOFTWARE          : PROCESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 44212                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.0                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.25                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.14200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.851                                          
REMARK 200 STARTING MODEL: PDB ENTRY 1IPD                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       28.27000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       57.12000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.27000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       57.12000            
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: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6480 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25890 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -33.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ASP A   358                                                      
REMARK 465     ASP B   358                                                      
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    LEU A  54       77.66   -159.94                                   
REMARK 500    ASP A 138     -167.82     71.75                                   
REMARK 500    ARG A 181     -116.80   -127.45                                   
REMARK 500    LYS A 190       46.82   -144.39                                   
REMARK 500    VAL A 193      -50.63   -133.51                                   
REMARK 500    ALA A 231       70.07   -155.22                                   
REMARK 500    ASP A 236      -83.96   -119.19                                   
REMARK 500    ALA A 272      145.63   -173.77                                   
REMARK 500    ALA A 281       69.24     24.66                                   
REMARK 500    PRO B 121      -41.24    -29.46                                   
REMARK 500    ARG B 125      -38.47    -39.53                                   
REMARK 500    ASP B 138     -172.00     67.19                                   
REMARK 500    ARG B 181     -131.26   -115.60                                   
REMARK 500    LYS B 190       49.51   -146.87                                   
REMARK 500    VAL B 193      -40.88   -134.20                                   
REMARK 500    ALA B 231       71.96   -154.84                                   
REMARK 500    ASP B 236      -83.85   -114.88                                   
REMARK 500    ALA B 281       64.26     29.76                                   
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 502  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 222   OD2                                                    
REMARK 620 2 HOH A 532   O    80.7                                              
REMARK 620 3 ASP B 246   OD1  95.8 176.3                                        
REMARK 620 4 IPM B 402   O2  150.9  88.5  94.0                                  
REMARK 620 5 IPM B 402   O1   82.6  80.0  98.4  68.8                            
REMARK 620 6 HOH B 419   O   118.6  91.4  91.4  88.4 155.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 501  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 246   OD1                                                    
REMARK 620 2 IPM A 401   O3   76.7                                              
REMARK 620 3 IPM A 401   O1   94.1  72.3                                        
REMARK 620 4 HOH A 562   O   172.5 105.6  93.4                                  
REMARK 620 5 HOH A 602   O    73.2  85.2 156.4  99.7                            
REMARK 620 6 ASP B 222   OD2  90.7 147.8  79.3  90.8 119.8                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 502                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPM A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPM B 402                 
DBREF  1A05 A    1   358  UNP    Q56268   LEU3_THIFE       1    358             
DBREF  1A05 B    1   358  UNP    Q56268   LEU3_THIFE       1    358             
SEQRES   1 A  358  MET LYS LYS ILE ALA ILE PHE ALA GLY ASP GLY ILE GLY          
SEQRES   2 A  358  PRO GLU ILE VAL ALA ALA ALA ARG GLN VAL LEU ASP ALA          
SEQRES   3 A  358  VAL ASP GLN ALA ALA HIS LEU GLY LEU ARG CYS THR GLU          
SEQRES   4 A  358  GLY LEU VAL GLY GLY ALA ALA LEU ASP ALA SER ASP ASP          
SEQRES   5 A  358  PRO LEU PRO ALA ALA SER LEU GLN LEU ALA MET ALA ALA          
SEQRES   6 A  358  ASP ALA VAL ILE LEU GLY ALA VAL GLY GLY PRO ARG TRP          
SEQRES   7 A  358  ASP ALA TYR PRO PRO ALA LYS ARG PRO GLU GLN GLY LEU          
SEQRES   8 A  358  LEU ARG LEU ARG LYS GLY LEU ASP LEU TYR ALA ASN LEU          
SEQRES   9 A  358  ARG PRO ALA GLN ILE PHE PRO GLN LEU LEU ASP ALA SER          
SEQRES  10 A  358  PRO LEU ARG PRO GLU LEU VAL ARG ASP VAL ASP ILE LEU          
SEQRES  11 A  358  VAL VAL ARG GLU LEU THR GLY ASP ILE TYR PHE GLY GLN          
SEQRES  12 A  358  PRO ARG GLY LEU GLU VAL ILE ASP GLY LYS ARG ARG GLY          
SEQRES  13 A  358  PHE ASN THR MET VAL TYR ASP GLU ASP GLU ILE ARG ARG          
SEQRES  14 A  358  ILE ALA HIS VAL ALA PHE ARG ALA ALA GLN GLY ARG ARG          
SEQRES  15 A  358  LYS GLN LEU CYS SER VAL ASP LYS ALA ASN VAL LEU GLU          
SEQRES  16 A  358  THR THR ARG LEU TRP ARG GLU VAL VAL THR GLU VAL ALA          
SEQRES  17 A  358  ARG ASP TYR PRO ASP VAL ARG LEU SER HIS MET TYR VAL          
SEQRES  18 A  358  ASP ASN ALA ALA MET GLN LEU ILE ARG ALA PRO ALA GLN          
SEQRES  19 A  358  PHE ASP VAL LEU LEU THR GLY ASN MET PHE GLY ASP ILE          
SEQRES  20 A  358  LEU SER ASP GLU ALA SER GLN LEU THR GLY SER ILE GLY          
SEQRES  21 A  358  MET LEU PRO SER ALA SER LEU GLY GLU GLY ARG ALA MET          
SEQRES  22 A  358  TYR GLU PRO ILE HIS GLY SER ALA PRO ASP ILE ALA GLY          
SEQRES  23 A  358  GLN ASP LYS ALA ASN PRO LEU ALA THR ILE LEU SER VAL          
SEQRES  24 A  358  ALA MET MET LEU ARG HIS SER LEU ASN ALA GLU PRO TRP          
SEQRES  25 A  358  ALA GLN ARG VAL GLU ALA ALA VAL GLN ARG VAL LEU ASP          
SEQRES  26 A  358  GLN GLY LEU ARG THR ALA ASP ILE ALA ALA PRO GLY THR          
SEQRES  27 A  358  PRO VAL ILE GLY THR LYS ALA MET GLY ALA ALA VAL VAL          
SEQRES  28 A  358  ASN ALA LEU ASN LEU LYS ASP                                  
SEQRES   1 B  358  MET LYS LYS ILE ALA ILE PHE ALA GLY ASP GLY ILE GLY          
SEQRES   2 B  358  PRO GLU ILE VAL ALA ALA ALA ARG GLN VAL LEU ASP ALA          
SEQRES   3 B  358  VAL ASP GLN ALA ALA HIS LEU GLY LEU ARG CYS THR GLU          
SEQRES   4 B  358  GLY LEU VAL GLY GLY ALA ALA LEU ASP ALA SER ASP ASP          
SEQRES   5 B  358  PRO LEU PRO ALA ALA SER LEU GLN LEU ALA MET ALA ALA          
SEQRES   6 B  358  ASP ALA VAL ILE LEU GLY ALA VAL GLY GLY PRO ARG TRP          
SEQRES   7 B  358  ASP ALA TYR PRO PRO ALA LYS ARG PRO GLU GLN GLY LEU          
SEQRES   8 B  358  LEU ARG LEU ARG LYS GLY LEU ASP LEU TYR ALA ASN LEU          
SEQRES   9 B  358  ARG PRO ALA GLN ILE PHE PRO GLN LEU LEU ASP ALA SER          
SEQRES  10 B  358  PRO LEU ARG PRO GLU LEU VAL ARG ASP VAL ASP ILE LEU          
SEQRES  11 B  358  VAL VAL ARG GLU LEU THR GLY ASP ILE TYR PHE GLY GLN          
SEQRES  12 B  358  PRO ARG GLY LEU GLU VAL ILE ASP GLY LYS ARG ARG GLY          
SEQRES  13 B  358  PHE ASN THR MET VAL TYR ASP GLU ASP GLU ILE ARG ARG          
SEQRES  14 B  358  ILE ALA HIS VAL ALA PHE ARG ALA ALA GLN GLY ARG ARG          
SEQRES  15 B  358  LYS GLN LEU CYS SER VAL ASP LYS ALA ASN VAL LEU GLU          
SEQRES  16 B  358  THR THR ARG LEU TRP ARG GLU VAL VAL THR GLU VAL ALA          
SEQRES  17 B  358  ARG ASP TYR PRO ASP VAL ARG LEU SER HIS MET TYR VAL          
SEQRES  18 B  358  ASP ASN ALA ALA MET GLN LEU ILE ARG ALA PRO ALA GLN          
SEQRES  19 B  358  PHE ASP VAL LEU LEU THR GLY ASN MET PHE GLY ASP ILE          
SEQRES  20 B  358  LEU SER ASP GLU ALA SER GLN LEU THR GLY SER ILE GLY          
SEQRES  21 B  358  MET LEU PRO SER ALA SER LEU GLY GLU GLY ARG ALA MET          
SEQRES  22 B  358  TYR GLU PRO ILE HIS GLY SER ALA PRO ASP ILE ALA GLY          
SEQRES  23 B  358  GLN ASP LYS ALA ASN PRO LEU ALA THR ILE LEU SER VAL          
SEQRES  24 B  358  ALA MET MET LEU ARG HIS SER LEU ASN ALA GLU PRO TRP          
SEQRES  25 B  358  ALA GLN ARG VAL GLU ALA ALA VAL GLN ARG VAL LEU ASP          
SEQRES  26 B  358  GLN GLY LEU ARG THR ALA ASP ILE ALA ALA PRO GLY THR          
SEQRES  27 B  358  PRO VAL ILE GLY THR LYS ALA MET GLY ALA ALA VAL VAL          
SEQRES  28 B  358  ASN ALA LEU ASN LEU LYS ASP                                  
HET     MG  A 501       1                                                       
HET     MG  A 502       1                                                       
HET    IPM  A 401      12                                                       
HET    IPM  B 402      12                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     IPM 3-ISOPROPYLMALIC ACID                                            
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   5  IPM    2(C7 H12 O5)                                                 
FORMUL   7  HOH   *504(H2 O)                                                    
HELIX    1   1 GLY A   13  ALA A   31  1                                  19    
HELIX    2   2 GLY A   43  SER A   50  1                                   8    
HELIX    3   3 PRO A   55  ALA A   64  1                                  10    
HELIX    4   4 PRO A   87  GLY A   97  1                                  11    
HELIX    5   5 GLU A  164  GLN A  179  1                                  16    
HELIX    6   6 GLU A  195  ASP A  210  1                                  16    
HELIX    7   7 VAL A  221  ARG A  230  1                                  10    
HELIX    8   8 ASN A  242  THR A  256  1                                  15    
HELIX    9   9 PRO A  292  HIS A  305  1                                  14    
HELIX   10  10 GLU A  310  GLN A  326  1                                  17    
HELIX   11  11 THR A  343  LEU A  354  1                                  12    
HELIX   12  12 GLY B   13  ALA B   31  1                                  19    
HELIX   13  13 GLY B   43  SER B   50  1                                   8    
HELIX   14  14 PRO B   55  ALA B   64  1                                  10    
HELIX   15  15 PRO B   87  GLY B   97  1                                  11    
HELIX   16  16 GLU B  164  GLN B  179  1                                  16    
HELIX   17  17 GLU B  195  ASP B  210  1                                  16    
HELIX   18  18 VAL B  221  ARG B  230  1                                  10    
HELIX   19  19 ASN B  242  THR B  256  1                                  15    
HELIX   20  20 PRO B  292  HIS B  305  1                                  14    
HELIX   21  21 GLU B  310  GLN B  326  1                                  17    
HELIX   22  22 THR B  343  LEU B  354  1                                  12    
SHEET    1   A10 ARG A  36  GLU A  39  0                                        
SHEET    2   A10 LYS A   3  PHE A   7  1  N  ILE A   4   O  ARG A  36           
SHEET    3   A10 ALA A  67  ALA A  72  1  N  ALA A  67   O  LYS A   3           
SHEET    4   A10 ALA A 272  PRO A 276  1  N  TYR A 274   O  VAL A  68           
SHEET    5   A10 PRO A 263  LEU A 267 -1  N  SER A 266   O  MET A 273           
SHEET    6   A10 ALA A 102  GLN A 108 -1  N  LEU A 104   O  ALA A 265           
SHEET    7   A10 ASP A 128  GLU A 134 -1  N  ARG A 133   O  ASN A 103           
SHEET    8   A10 VAL A 237  THR A 240  1  N  THR A 240   O  VAL A 132           
SHEET    9   A10 GLN A 184  ASP A 189  1  N  VAL A 188   O  LEU A 239           
SHEET   10   A10 ARG A 215  TYR A 220  1  N  MET A 219   O  SER A 187           
SHEET    1   B 4 ARG A 145  ILE A 150  0                                        
SHEET    2   B 4 LYS A 153  ASP A 163 -1  N  ARG A 155   O  GLU A 148           
SHEET    3   B 4 LYS B 153  ASP B 163 -1  N  TYR B 162   O  GLY A 156           
SHEET    4   B 4 ARG B 145  ILE B 150 -1  N  GLY B 146   O  PHE B 157           
SHEET    1   C10 ARG B  36  GLU B  39  0                                        
SHEET    2   C10 LYS B   3  PHE B   7  1  N  ILE B   4   O  ARG B  36           
SHEET    3   C10 ALA B  67  ALA B  72  1  N  ALA B  67   O  LYS B   3           
SHEET    4   C10 ALA B 272  PRO B 276  1  N  TYR B 274   O  VAL B  68           
SHEET    5   C10 PRO B 263  LEU B 267 -1  N  SER B 266   O  MET B 273           
SHEET    6   C10 ALA B 102  GLN B 108 -1  N  LEU B 104   O  ALA B 265           
SHEET    7   C10 ASP B 128  GLU B 134 -1  N  ARG B 133   O  ASN B 103           
SHEET    8   C10 VAL B 237  THR B 240  1  N  THR B 240   O  VAL B 132           
SHEET    9   C10 GLN B 184  ASP B 189  1  N  VAL B 188   O  LEU B 239           
SHEET   10   C10 ARG B 215  TYR B 220  1  N  MET B 219   O  SER B 187           
LINK         OD2 ASP A 222                MG    MG A 502     1555   1555  2.45  
LINK         OD1 ASP A 246                MG    MG A 501     1555   1555  2.38  
LINK         O3  IPM A 401                MG    MG A 501     1555   1555  2.32  
LINK         O1  IPM A 401                MG    MG A 501     1555   1555  2.45  
LINK        MG    MG A 501                 O   HOH A 562     1555   1555  2.31  
LINK        MG    MG A 501                 O   HOH A 602     1555   1555  2.35  
LINK        MG    MG A 501                 OD2 ASP B 222     1555   1555  2.44  
LINK        MG    MG A 502                 O   HOH A 532     1555   1555  2.44  
LINK        MG    MG A 502                 OD1 ASP B 246     1555   1555  2.36  
LINK        MG    MG A 502                 O2  IPM B 402     1555   1555  2.37  
LINK        MG    MG A 502                 O1  IPM B 402     1555   1555  2.55  
LINK        MG    MG A 502                 O   HOH B 419     1555   1555  2.42  
CISPEP   1 GLN A  143    PRO A  144          0        -0.20                     
CISPEP   2 GLN B  143    PRO B  144          0         0.19                     
SITE     1 AC1  5 ASP A 246  IPM A 401  HOH A 562  HOH A 602                    
SITE     2 AC1  5 ASP B 222                                                     
SITE     1 AC2  5 ASP A 222  HOH A 532  ASP B 246  IPM B 402                    
SITE     2 AC2  5 HOH B 419                                                     
SITE     1 AC3 12 GLU A  88  ARG A  95  ARG A 105  ARG A 133                    
SITE     2 AC3 12 TYR A 140  ASP A 246   MG A 501  HOH A 553                    
SITE     3 AC3 12 HOH A 693  LYS B 190  VAL B 193  ASP B 222                    
SITE     1 AC4 11 LYS A 190  VAL A 193  ASP A 222   MG A 502                    
SITE     2 AC4 11 ARG B  95  ARG B 105  ARG B 133  TYR B 140                    
SITE     3 AC4 11 ASP B 246  HOH B 428  HOH B 441                               
CRYST1   56.540  114.240  130.890  90.00  90.00  90.00 P 21 21 2     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      0.017687  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008754  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007640        0.00000                         
MTRIX1   1 -1.000000  0.002110  0.000440        8.62482    1                    
MTRIX2   1  0.002110  1.000000 -0.000030        0.00510    1                    
MTRIX3   1 -0.000440 -0.000030 -1.000000       65.46259    1                    
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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