HEADER    OXIDOREDUCTASE                          13-AUG-96   1DXY              
TITLE     STRUCTURE OF D-2-HYDROXYISOCAPROATE DEHYDROGENASE                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: D-2-HYDROXYISOCAPROATE DEHYDROGENASE;                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: D-HICDH, R-HICDH, R-2-HYDROXYISOCAPROATE DEHYDROGENASE;     
COMPND   5 EC: 1.1.1.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: LACTOBACILLUS CASEI;                            
SOURCE   3 ORGANISM_TAXID: 1582;                                                
SOURCE   4 VARIANT: SSP. PSEUDOPLANTARUM;                                       
SOURCE   5 COLLECTION: DSM NUMBER: DSM 20008 (DSM = DEUTSCHE SAMMLUNG VON       
SOURCE   6 MIKROORGANISMEN/GERMAN COLLECTION OF MICROORGANISMS);                
SOURCE   7 GENE: POTENTIAL;                                                     
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PJLA601                                   
KEYWDS    D-2-HYDROXYCARBOXYLATE DEHYDROGENASE, D-LACTATE DEHYDROGENASE,        
KEYWDS   2 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    U.DENGLER,K.NIEFIND,M.KIESS,D.SCHOMBURG                               
REVDAT   8   22-MAY-24 1DXY    1       REMARK                                   
REVDAT   7   09-AUG-23 1DXY    1       REMARK                                   
REVDAT   6   15-MAR-17 1DXY    1       LINK                                     
REVDAT   5   16-NOV-11 1DXY    1       HETATM                                   
REVDAT   4   13-JUL-11 1DXY    1       VERSN                                    
REVDAT   3   24-FEB-09 1DXY    1       VERSN                                    
REVDAT   2   01-APR-03 1DXY    1       JRNL                                     
REVDAT   1   16-JUN-97 1DXY    0                                                
JRNL        AUTH   U.DENGLER,K.NIEFIND,M.KIESS,D.SCHOMBURG                      
JRNL        TITL   CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF                    
JRNL        TITL 2 D-2-HYDROXYISOCAPROATE DEHYDROGENASE FROM LACTOBACILLUS      
JRNL        TITL 3 CASEI, NAD+ AND 2-OXOISOCAPROATE AT 1.9 A RESOLUTION.        
JRNL        REF    J.MOL.BIOL.                   V. 267   640 1997              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   9126843                                                      
JRNL        DOI    10.1006/JMBI.1996.0864                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   K.NIEFIND,H.J.HECHT,D.SCHOMBURG                              
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY CHARACTERIZATION OF CRYSTALS 
REMARK   1  TITL 2 OF D-2-HYDROXYISOCAPROATE DEHYDROGENASE FROM LACTOBACILLUS   
REMARK   1  TITL 3 CASEI                                                        
REMARK   1  REF    J.MOL.BIOL.                   V. 240   400 1994              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   K.NIEFIND                                                    
REMARK   1  TITL   ROENTGENKRISTALLOGRAPHISCHE UNTERSUCHUNGEN AN DREI           
REMARK   1  TITL 2 MIKROBIELLEN ENZYMEN: D-2-HYDROXYISOCAPROAT-DEHYDROGENASE    
REMARK   1  TITL 3 AUS LACTOBACILLUS CASEI L-2-HYDROXYISOCAPROAT-DEHYDROGENASE  
REMARK   1  TITL 4 AUS LACTOBACILLUS CONFUSUS ALKALISCHE PROTEASE AUS BACILLUS  
REMARK   1  TITL 5 ALCALOPHILUS/VARIANTE Q59R                                   
REMARK   1  REF    THESIS                                     1993              
REMARK   1  PUBL   BRAUNSCHWEIG : TECHNISCHE UNIVERSITAT BRAUNSCHWEIG (THESIS)  
REMARK   1  REFN                                                                
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   H.K.W.KALLWASS                                               
REMARK   1  TITL   POTENTIAL OF R-2-HYDROXYISOCAPROATE DEHYDROGENASE FROM       
REMARK   1  TITL 2 LACTOBACILLUS CASEI FOR STEREOSPECIFIC REDUCTIONS            
REMARK   1  REF    ENZYME.MICROB.TECHNOL.        V.  14    28 1992              
REMARK   1  REFN                   ISSN 0141-0229                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   H.P.LERCH,H.BLOCKER,H.KALLWASS,J.HOPPE,H.TSAI,J.COLLINS      
REMARK   1  TITL   CLONING, SEQUENCING AND EXPRESSION IN ESCHERICHIA COLI OF    
REMARK   1  TITL 2 THE D-2-HYDROXYISOCAPROATE DEHYDROGENASE GENE OF             
REMARK   1  TITL 3 LACTOBACILLUS CASEI                                          
REMARK   1  REF    GENE                          V.  78    47 1989              
REMARK   1  REFN                   ISSN 0378-1119                               
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   H.KALLWASS,H.TSAI,H.SCHUETTE                                 
REMARK   1  TITL   CRYSTALLIZATION AND MOLECULAR PROPERTIES OF                  
REMARK   1  TITL 2 D-2-HYDROXYISOCAPROATE DEHYDROGENASE FROM LACTOBACILLUS      
REMARK   1  TITL 3 CASEI                                                        
REMARK   1  REF    FEMS MICROBIOL.LETT.          V.  43   263 1987              
REMARK   1  REFN                   ISSN 0378-1097                               
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   W.HUMMEL,H.SCHUETTE,M.R.KULA                                 
REMARK   1  TITL   D-2-HYDROXYISOCAPROATE DEHYDROGENASE FROM LACTOBACILLUS      
REMARK   1  TITL 2 CASEI. A NEW ENZYME SUITABLE FOR STEREOSPECIFIC REDUCTION OF 
REMARK   1  TITL 3 2-KETOCARBOXYLIC ACIDS                                       
REMARK   1  REF    APPL.MICROBIOL.BIOTECHNOL.    V.  21     7 1985              
REMARK   1  REFN                   ISSN 0175-7598                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.86 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.86                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 12.10                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 53838                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.196                           
REMARK   3   FREE R VALUE                     : 0.217                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2580                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 63                                      
REMARK   3   SOLVENT ATOMS            : 182                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.02                          
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) : 0.28                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.730                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.12                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.250                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DXY 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_1000172961.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-AUG-94                          
REMARK 200  TEMPERATURE           (KELVIN) : 277                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 3                                  
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) : 1.1                                
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : MIRROR OPTICS                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 300 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (AGROVATA, ROTAVATA           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 53838                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.860                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 12.100                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.5                               
REMARK 200  DATA REDUNDANCY                : 5.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.08900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.86                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.40                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.48000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: BACKBONE AND C-BETA ATOMS OF D-GLYCERATE             
REMARK 200  DEHYDROGENASE (PDB ENTRY 1GDH)                                      
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 72.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.9 M AMMONIUM SULFATE, 50 MM            
REMARK 280  CITRATE/PHOSPHATE BUFFER, 30 MM NAD+, 60 MM 4-METHYL-2-             
REMARK 280  OXOPENTANOATE, PH 7.0, 277 K; ENZYME CONCENTRATION 10 MG/ML.        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 2 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   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-Y,X,Z+1/2                                             
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z                                              
REMARK 290      10555   -Y,-X,-Z+1/2                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -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 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       62.55000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       62.55000            
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       62.55000            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       62.55000            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       62.55000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       62.55000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: D-HICDH IS A DIMER OF IDENTICAL SUBUNITS, WHICH OCCUPIES     
REMARK 300 A SPECIAL POSITION IN THE INVESTIGATED CRYSTALS.                     
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: 8770 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 26670 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -103.0 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        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -62.55000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 34670 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 71660 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -342.0 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      134.10000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000       67.05000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      116.13401            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.500000 -0.866025  0.000000       67.05000            
REMARK 350   BIOMT2   4 -0.866025 -0.500000  0.000000      116.13401            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000      -62.55000            
REMARK 350   BIOMT1   5 -1.000000  0.000000  0.000000      134.10000            
REMARK 350   BIOMT2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   5  0.000000  0.000000 -1.000000      -62.55000            
REMARK 350   BIOMT1   6  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   6  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   6  0.000000  0.000000 -1.000000      -62.55000            
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 543  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 545  LIES ON A SPECIAL POSITION.                          
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     PRO A   331                                                      
REMARK 465     ALA A   332                                                      
REMARK 465     LYS A   333                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A    2   CE   NZ                                             
REMARK 480     LYS A   21   CE   NZ                                             
REMARK 480     LYS A   43   CG   CD   CE   NZ                                   
REMARK 480     LYS A   70   CG   CD   CE   NZ                                   
REMARK 480     LYS A   88   CG   CD   CE   NZ                                   
REMARK 480     LYS A  180   CD   CE   NZ                                        
REMARK 480     GLU A  209   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  321   CD   CE   NZ                                        
REMARK 480     GLU A  323   CG   CD   OE1  OE2                                  
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    ASN A  76     -166.41   -115.43                                   
REMARK 500    ALA A  99       59.92   -140.42                                   
REMARK 500    SER A 101       88.51   -165.13                                   
REMARK 500    THR A 153       46.33   -109.38                                   
REMARK 500    HIS A 183       83.59   -163.66                                   
REMARK 500    HIS A 204       47.73   -141.87                                   
REMARK 500    ASN A 216     -169.56   -124.76                                   
REMARK 500    ALA A 233      -83.74    -89.63                                   
REMARK 500    TYR A 299       72.51    -68.55                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 2-OXOISOCAPROATE (OIC 337) AND A SULFATE ION (SO4 338) ARE           
REMARK 600 MUTUALLY EXCLUSIVELY BOUND IN THE ACTIVE SITE.  THE                  
REMARK 600 OCCUPANCY FACTORS OF BOTH LIGANDS WERE SET TO 0.5, WHILE             
REMARK 600 DIFFERENCES IN OCCUPATION WERE SIMULATED BY TEMPERATURE              
REMARK 600 FACTOR REFINEMENT.                                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CAT                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE.                                       
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 338                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 339                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD A 336                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE COI A 337                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 A CONTACT IS OBSERVED BETWEEN THE SIDE CHAINS OF ASP 266             
REMARK 999 AND ASP 278.  CHEMICAL PROTEIN SEQUENCING CONFIRMED THESE            
REMARK 999 RESIDUES TO BE ASPARTATES.                                           
DBREF  1DXY A    1   333  UNP    P17584   DHD2_LACPA       1    333             
SEQRES   1 A  333  MET LYS ILE ILE ALA TYR GLY ALA ARG VAL ASP GLU ILE          
SEQRES   2 A  333  GLN TYR PHE LYS GLN TRP ALA LYS ASP THR GLY ASN THR          
SEQRES   3 A  333  LEU GLU TYR HIS THR GLU PHE LEU ASP GLU ASN THR VAL          
SEQRES   4 A  333  GLU TRP ALA LYS GLY PHE ASP GLY ILE ASN SER LEU GLN          
SEQRES   5 A  333  THR THR PRO TYR ALA ALA GLY VAL PHE GLU LYS MET HIS          
SEQRES   6 A  333  ALA TYR GLY ILE LYS PHE LEU THR ILE ARG ASN VAL GLY          
SEQRES   7 A  333  THR ASP ASN ILE ASP MET THR ALA MET LYS GLN TYR GLY          
SEQRES   8 A  333  ILE ARG LEU SER ASN VAL PRO ALA TYR SER PRO ALA ALA          
SEQRES   9 A  333  ILE ALA GLU PHE ALA LEU THR ASP THR LEU TYR LEU LEU          
SEQRES  10 A  333  ARG ASN MET GLY LYS VAL GLN ALA GLN LEU GLN ALA GLY          
SEQRES  11 A  333  ASP TYR GLU LYS ALA GLY THR PHE ILE GLY LYS GLU LEU          
SEQRES  12 A  333  GLY GLN GLN THR VAL GLY VAL MET GLY THR GLY HIS ILE          
SEQRES  13 A  333  GLY GLN VAL ALA ILE LYS LEU PHE LYS GLY PHE GLY ALA          
SEQRES  14 A  333  LYS VAL ILE ALA TYR ASP PRO TYR PRO MET LYS GLY ASP          
SEQRES  15 A  333  HIS PRO ASP PHE ASP TYR VAL SER LEU GLU ASP LEU PHE          
SEQRES  16 A  333  LYS GLN SER ASP VAL ILE ASP LEU HIS VAL PRO GLY ILE          
SEQRES  17 A  333  GLU GLN ASN THR HIS ILE ILE ASN GLU ALA ALA PHE ASN          
SEQRES  18 A  333  LEU MET LYS PRO GLY ALA ILE VAL ILE ASN THR ALA ARG          
SEQRES  19 A  333  PRO ASN LEU ILE ASP THR GLN ALA MET LEU SER ASN LEU          
SEQRES  20 A  333  LYS SER GLY LYS LEU ALA GLY VAL GLY ILE ASP THR TYR          
SEQRES  21 A  333  GLU TYR GLU THR GLU ASP LEU LEU ASN LEU ALA LYS HIS          
SEQRES  22 A  333  GLY SER PHE LYS ASP PRO LEU TRP ASP GLU LEU LEU GLY          
SEQRES  23 A  333  MET PRO ASN VAL VAL LEU SER PRO HIS ILE ALA TYR TYR          
SEQRES  24 A  333  THR GLU THR ALA VAL HIS ASN MET VAL TYR PHE SER LEU          
SEQRES  25 A  333  GLN HIS LEU VAL ASP PHE LEU THR LYS GLY GLU THR SER          
SEQRES  26 A  333  THR GLU VAL THR GLY PRO ALA LYS                              
HET    SO4  A 401       5                                                       
HET    SO4  A 402       5                                                       
HET    NAD  A 403      44                                                       
HET    COI  A 404       9                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE                                
HETNAM     COI 2-OXO-4-METHYLPENTANOIC ACID                                     
HETSYN     COI ALPHA-KETOISOCAPROIC ACID                                        
FORMUL   2  SO4    2(O4 S 2-)                                                   
FORMUL   4  NAD    C21 H27 N7 O14 P2                                            
FORMUL   5  COI    C6 H10 O3                                                    
FORMUL   6  HOH   *182(H2 O)                                                    
HELIX    1   1 VAL A   10  THR A   23  5                                  14    
HELIX    2   2 THR A   38  ALA A   42  5                                   5    
HELIX    3   3 ALA A   58  TYR A   67  1                                  10    
HELIX    4   4 MET A   84  GLN A   89  1                                   6    
HELIX    5   5 PRO A  102  LEU A  117  1                                  16    
HELIX    6   6 MET A  120  GLN A  128  1                                   9    
HELIX    7   7 TYR A  132  GLY A  136  1                                   5    
HELIX    8   8 LEU A  143  GLN A  145  5                                   3    
HELIX    9   9 HIS A  155  PHE A  167  1                                  13    
HELIX   10  10 LEU A  191  GLN A  197  1                                   7    
HELIX   11  11 GLU A  209  ASN A  211  5                                   3    
HELIX   12  12 GLU A  217  LEU A  222  1                                   6    
HELIX   13  13 THR A  240  LYS A  248  1                                   9    
HELIX   14  14 GLU A  263  HIS A  273  1                                  11    
HELIX   15  15 PRO A  279  LEU A  285  1                                   7    
HELIX   16  16 GLU A  301  LYS A  321  1                                  21    
SHEET    1   A 5 THR A  26  TYR A  29  0                                        
SHEET    2   A 5 LYS A   2  ALA A   5  1  N  ILE A   3   O  THR A  26           
SHEET    3   A 5 GLY A  47  SER A  50  1  N  GLY A  47   O  ILE A   4           
SHEET    4   A 5 PHE A  71  ILE A  74  1  N  THR A  73   O  ILE A  48           
SHEET    5   A 5 ARG A  93  SER A  95  1  N  ARG A  93   O  LEU A  72           
SHEET    1   B 6 LYS A 170  TYR A 174  0                                        
SHEET    2   B 6 THR A 147  MET A 151  1  N  VAL A 148   O  LYS A 170           
SHEET    3   B 6 VAL A 200  LEU A 203  1  N  VAL A 200   O  GLY A 149           
SHEET    4   B 6 ALA A 227  ASN A 231  1  N  ILE A 228   O  ILE A 201           
SHEET    5   B 6 LEU A 252  ILE A 257  1  N  ALA A 253   O  ALA A 227           
SHEET    6   B 6 VAL A 290  LEU A 292  1  N  VAL A 291   O  VAL A 255           
SITE     1 CAT  7 VAL A  77  GLY A  78  TYR A 100  THR A 232                    
SITE     2 CAT  7 ARG A 234  GLU A 263  HIS A 295                               
SITE     1 AC1  6 ASN A  76  VAL A  77  GLY A  78  TYR A 100                    
SITE     2 AC1  6 ARG A 234  COI A 404                                          
SITE     1 AC2  6 PRO A  98  ALA A  99  PHE A 310  HIS A 314                    
SITE     2 AC2  6 THR A 326  HOH A 653                                          
SITE     1 AC3 26 TYR A 100  GLY A 152  GLY A 154  HIS A 155                    
SITE     2 AC3 26 ILE A 156  TYR A 174  ASP A 175  PRO A 176                    
SITE     3 AC3 26 HIS A 204  VAL A 205  PRO A 206  ASN A 211                    
SITE     4 AC3 26 ILE A 214  THR A 232  ALA A 233  ARG A 234                    
SITE     5 AC3 26 ASP A 258  THR A 259  HIS A 295  TYR A 298                    
SITE     6 AC3 26 COI A 404  HOH A 502  HOH A 504  HOH A 580                    
SITE     7 AC3 26 HOH A 581  HOH A 629                                          
SITE     1 AC4  7 VAL A  77  TYR A 100  ARG A 234  HIS A 295                    
SITE     2 AC4  7 MET A 307  NAD A 403  SO4 A 401                               
CRYST1  134.100  134.100  125.100  90.00  90.00 120.00 P 63 2 2     12          
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      0.007457  0.004305  0.000000        0.00000                         
SCALE2      0.000000  0.008611  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007994        0.00000