PDB Short entry for 5GRI
HEADER    OXIDOREDUCTASE                          11-AUG-16   5GRI              
TITLE     CRYSTAL STRUCTURE OF THE ALPHA GAMMA HETERODIMER OF HUMAN IDH3 IN     
TITLE    2 COMPLEX WITH MG(2+) AND CITRATE                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ISOCITRATE DEHYDROGENASE [NAD] SUBUNIT ALPHA,              
COMPND   3 MITOCHONDRIAL;                                                       
COMPND   4 CHAIN: A;                                                            
COMPND   5 SYNONYM: ISOCITRIC DEHYDROGENASE SUBUNIT ALPHA,NAD(+)-SPECIFIC ICDH  
COMPND   6 SUBUNIT ALPHA;                                                       
COMPND   7 EC: 1.1.1.41;                                                        
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: ISOCITRATE DEHYDROGENASE [NAD] SUBUNIT GAMMA,              
COMPND  11 MITOCHONDRIAL;                                                       
COMPND  12 CHAIN: B;                                                            
COMPND  13 SYNONYM: ISOCITRIC DEHYDROGENASE SUBUNIT GAMMA,NAD(+)-SPECIFIC ICDH  
COMPND  14 SUBUNIT GAMMA;                                                       
COMPND  15 EC: 1.1.1.41;                                                        
COMPND  16 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: IDH3A;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  11 ORGANISM_COMMON: HUMAN;                                              
SOURCE  12 ORGANISM_TAXID: 9606;                                                
SOURCE  13 GENE: IDH3G;                                                         
SOURCE  14 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE  15 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  16 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)                                  
KEYWDS    ALLOSTERIC REGULATION, OXIDOREDUCTASE                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.MA,Y.PENG,J.DING                                                    
REVDAT   3   08-NOV-23 5GRI    1       LINK                                     
REVDAT   2   04-OCT-17 5GRI    1       REMARK                                   
REVDAT   1   15-FEB-17 5GRI    0                                                
JRNL        AUTH   T.MA,Y.PENG,W.HUANG,J.DING                                   
JRNL        TITL   MOLECULAR MECHANISM OF THE ALLOSTERIC REGULATION OF THE      
JRNL        TITL 2 ALPHA GAMMA HETERODIMER OF HUMAN NAD-DEPENDENT ISOCITRATE    
JRNL        TITL 3 DEHYDROGENASE.                                               
JRNL        REF    SCI REP                       V.   7 40921 2017              
JRNL        REFN                   ESSN 2045-2322                               
JRNL        PMID   28098230                                                     
JRNL        DOI    10.1038/SREP40921                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.31 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0029                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.31                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 46.01                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 40334                          
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) : 0.242                           
REMARK   3   R VALUE            (WORKING SET) : 0.241                           
REMARK   3   FREE R VALUE                     : 0.271                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2138                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.31                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.37                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 469                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 14.79                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2450                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 37                           
REMARK   3   BIN FREE R VALUE                    : 0.3080                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5039                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 15                                      
REMARK   3   SOLVENT ATOMS            : 111                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 44.36                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.09000                                              
REMARK   3    B22 (A**2) : 2.09000                                              
REMARK   3    B33 (A**2) : -4.17000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.063         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.050         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.137         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.499         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.909                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.886                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5134 ; 0.005 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  5026 ; 0.005 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6941 ; 0.987 ; 1.962       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 11556 ; 0.755 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   655 ; 5.443 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   217 ;37.917 ;24.470       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   915 ;16.624 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    32 ;21.152 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   808 ; 0.057 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5801 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1117 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES                                                  
REMARK   4                                                                      
REMARK   4 5GRI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-AUG-16.                  
REMARK 100 THE DEPOSITION ID IS D_1300001316.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-JUN-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL19U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 6M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 46471                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : 19.50                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 53.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 5GRH                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.62                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.48                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM CITRATE, PH 8.0, 20%        
REMARK 280  (W/V) PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       48.31667            
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       96.63333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       96.63333            
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       48.31667            
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: 5090 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25670 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -51.0 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 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 512  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     THR A     1                                                      
REMARK 465     GLY A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     GLY A    46                                                      
REMARK 465     PRO A    47                                                      
REMARK 465     GLY A    48                                                      
REMARK 465     GLY A    49                                                      
REMARK 465     LYS A    50                                                      
REMARK 465     PRO A    75                                                      
REMARK 465     ILE A    76                                                      
REMARK 465     ALA A    77                                                      
REMARK 465     ALA A    78                                                      
REMARK 465     GLY A    79                                                      
REMARK 465     HIS A    80                                                      
REMARK 465     GLY A   319                                                      
REMARK 465     ASP A   339                                                      
REMARK 465     PHE B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     GLU B     3                                                      
REMARK 465     GLN B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     ILE B     6                                                      
REMARK 465     PRO B     7                                                      
REMARK 465     PRO B     8                                                      
REMARK 465     SER B     9                                                      
REMARK 465     ALA B    10                                                      
REMARK 465     LYS B    11                                                      
REMARK 465     TYR B    12                                                      
REMARK 465     GLY B    13                                                      
REMARK 465     GLY B    14                                                      
REMARK 465     ARG B   350                                                      
REMARK 465     ALA B   351                                                      
REMARK 465     VAL B   352                                                      
REMARK 465     GLU B   353                                                      
REMARK 465     ALA B   354                                                      
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     GLN A  45    CG   CD   OE1  NE2                                  
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    LYS A  65      -25.40     82.51                                   
REMARK 500    GLU A 123     -133.69   -136.59                                   
REMARK 500    TYR A 126       40.55   -106.27                                   
REMARK 500    MET A 177       77.11   -110.72                                   
REMARK 500    CYS A 195       55.05   -152.42                                   
REMARK 500    ASP A 220      -96.59   -118.61                                   
REMARK 500    ALA A 266       70.25     41.08                                   
REMARK 500    SER A 313        5.68    -68.71                                   
REMARK 500    ARG B  72      -20.12     73.29                                   
REMARK 500    THR B 117     -166.60   -118.57                                   
REMARK 500    ASP B 123       86.65   -152.18                                   
REMARK 500    GLU B 132     -160.87   -126.28                                   
REMARK 500    ASP B 229      -92.74   -119.47                                   
REMARK 500    LEU B 302       57.04    -94.42                                   
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 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 230   O                                                      
REMARK 620 2 ASP A 230   OD1  78.9                                              
REMARK 620 3 ASP A 234   OD2  96.7 167.5                                        
REMARK 620 4 ASP B 215   OD2  85.3  78.1  90.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 402  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 516   O                                                      
REMARK 620 2 ASN B  78   OD1 164.7                                              
REMARK 620 3 ARG B 272   O    84.3  83.2                                        
REMARK 620 4 CIT B 401   O5  100.5  86.5  81.9                                  
REMARK 620 5 HOH B 559   O   119.8  74.4 153.1  82.1                            
REMARK 620 6 HOH B 584   O    60.6 111.5  93.9 161.0 107.9                      
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 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CIT B 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 402                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5GRH   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5GRL   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5GRF   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5GRE   RELATED DB: PDB                                   
DBREF  5GRI A    1   339  UNP    P50213   IDH3A_HUMAN     28    366             
DBREF  5GRI B    1   354  UNP    P51553   IDH3G_HUMAN     40    393             
SEQRES   1 A  339  THR GLY GLY VAL GLN THR VAL THR LEU ILE PRO GLY ASP          
SEQRES   2 A  339  GLY ILE GLY PRO GLU ILE SER ALA ALA VAL MET LYS ILE          
SEQRES   3 A  339  PHE ASP ALA ALA LYS ALA PRO ILE GLN TRP GLU GLU ARG          
SEQRES   4 A  339  ASN VAL THR ALA ILE GLN GLY PRO GLY GLY LYS TRP MET          
SEQRES   5 A  339  ILE PRO SER GLU ALA LYS GLU SER MET ASP LYS ASN LYS          
SEQRES   6 A  339  MET GLY LEU LYS GLY PRO LEU LYS THR PRO ILE ALA ALA          
SEQRES   7 A  339  GLY HIS PRO SER MET ASN LEU LEU LEU ARG LYS THR PHE          
SEQRES   8 A  339  ASP LEU TYR ALA ASN VAL ARG PRO CYS VAL SER ILE GLU          
SEQRES   9 A  339  GLY TYR LYS THR PRO TYR THR ASP VAL ASN ILE VAL THR          
SEQRES  10 A  339  ILE ARG GLU ASN THR GLU GLY GLU TYR SER GLY ILE GLU          
SEQRES  11 A  339  HIS VAL ILE VAL ASP GLY VAL VAL GLN SER ILE LYS LEU          
SEQRES  12 A  339  ILE THR GLU GLY ALA SER LYS ARG ILE ALA GLU PHE ALA          
SEQRES  13 A  339  PHE GLU TYR ALA ARG ASN ASN HIS ARG SER ASN VAL THR          
SEQRES  14 A  339  ALA VAL HIS LYS ALA ASN ILE MET ARG MET SER ASP GLY          
SEQRES  15 A  339  LEU PHE LEU GLN LYS CYS ARG GLU VAL ALA GLU SER CYS          
SEQRES  16 A  339  LYS ASP ILE LYS PHE ASN GLU MET TYR LEU ASP THR VAL          
SEQRES  17 A  339  CYS LEU ASN MET VAL GLN ASP PRO SER GLN PHE ASP VAL          
SEQRES  18 A  339  LEU VAL MET PRO ASN LEU TYR GLY ASP ILE LEU SER ASP          
SEQRES  19 A  339  LEU CYS ALA GLY LEU ILE GLY GLY LEU GLY VAL THR PRO          
SEQRES  20 A  339  SER GLY ASN ILE GLY ALA ASN GLY VAL ALA ILE PHE GLU          
SEQRES  21 A  339  SER VAL HIS GLY THR ALA PRO ASP ILE ALA GLY LYS ASP          
SEQRES  22 A  339  MET ALA ASN PRO THR ALA LEU LEU LEU SER ALA VAL MET          
SEQRES  23 A  339  MET LEU ARG HIS MET GLY LEU PHE ASP HIS ALA ALA ARG          
SEQRES  24 A  339  ILE GLU ALA ALA CYS PHE ALA THR ILE LYS ASP GLY LYS          
SEQRES  25 A  339  SER LEU THR LYS ASP LEU GLY GLY ASN ALA LYS CYS SER          
SEQRES  26 A  339  ASP PHE THR GLU GLU ILE CYS ARG ARG VAL LYS ASP LEU          
SEQRES  27 A  339  ASP                                                          
SEQRES   1 B  354  PHE SER GLU GLN THR ILE PRO PRO SER ALA LYS TYR GLY          
SEQRES   2 B  354  GLY ARG HIS THR VAL THR MET ILE PRO GLY ASP GLY ILE          
SEQRES   3 B  354  GLY PRO GLU LEU MET LEU HIS VAL LYS SER VAL PHE ARG          
SEQRES   4 B  354  HIS ALA CYS VAL PRO VAL ASP PHE GLU GLU VAL HIS VAL          
SEQRES   5 B  354  SER SER ASN ALA ASP GLU GLU ASP ILE ARG ASN ALA ILE          
SEQRES   6 B  354  MET ALA ILE ARG ARG ASN ARG VAL ALA LEU LYS GLY ASN          
SEQRES   7 B  354  ILE GLU THR ASN HIS ASN LEU PRO PRO SER HIS LYS SER          
SEQRES   8 B  354  ARG ASN ASN ILE LEU ARG THR SER LEU ASP LEU TYR ALA          
SEQRES   9 B  354  ASN VAL ILE HIS CYS LYS SER LEU PRO GLY VAL VAL THR          
SEQRES  10 B  354  ARG HIS LYS ASP ILE ASP ILE LEU ILE VAL ARG GLU ASN          
SEQRES  11 B  354  THR GLU GLY GLU TYR SER SER LEU GLU HIS GLU SER VAL          
SEQRES  12 B  354  ALA GLY VAL VAL GLU SER LEU LYS ILE ILE THR LYS ALA          
SEQRES  13 B  354  LYS SER LEU ARG ILE ALA GLU TYR ALA PHE LYS LEU ALA          
SEQRES  14 B  354  GLN GLU SER GLY ARG LYS LYS VAL THR ALA VAL HIS LYS          
SEQRES  15 B  354  ALA ASN ILE MET LYS LEU GLY ASP GLY LEU PHE LEU GLN          
SEQRES  16 B  354  CYS CYS ARG GLU VAL ALA ALA ARG TYR PRO GLN ILE THR          
SEQRES  17 B  354  PHE GLU ASN MET ILE VAL ASP ASN THR THR MET GLN LEU          
SEQRES  18 B  354  VAL SER ARG PRO GLN GLN PHE ASP VAL MET VAL MET PRO          
SEQRES  19 B  354  ASN LEU TYR GLY ASN ILE VAL ASN ASN VAL CYS ALA GLY          
SEQRES  20 B  354  LEU VAL GLY GLY PRO GLY LEU VAL ALA GLY ALA ASN TYR          
SEQRES  21 B  354  GLY HIS VAL TYR ALA VAL PHE GLU THR ALA THR ARG ASN          
SEQRES  22 B  354  THR GLY LYS SER ILE ALA ASN LYS ASN ILE ALA ASN PRO          
SEQRES  23 B  354  THR ALA THR LEU LEU ALA SER CYS MET MET LEU ASP HIS          
SEQRES  24 B  354  LEU LYS LEU HIS SER TYR ALA THR SER ILE ARG LYS ALA          
SEQRES  25 B  354  VAL LEU ALA SER MET ASP ASN GLU ASN MET HIS THR PRO          
SEQRES  26 B  354  ASP ILE GLY GLY GLN GLY THR THR SER GLU ALA ILE GLN          
SEQRES  27 B  354  ASP VAL ILE ARG HIS ILE ARG VAL ILE ASN GLY ARG ALA          
SEQRES  28 B  354  VAL GLU ALA                                                  
HET     MG  A 401       1                                                       
HET    CIT  B 401      13                                                       
HET     MG  B 402       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     CIT CITRIC ACID                                                      
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   4  CIT    C6 H8 O7                                                     
FORMUL   6  HOH   *111(H2 O)                                                    
HELIX    1 AA1 ILE A   15  ALA A   30  1                                  16    
HELIX    2 AA2 PRO A   54  LYS A   65  1                                  12    
HELIX    3 AA3 SER A   82  ASP A   92  1                                  11    
HELIX    4 AA4 GLU A  123  SER A  127  5                                   5    
HELIX    5 AA5 GLU A  146  ASN A  163  1                                  18    
HELIX    6 AA6 MET A  177  SER A  194  1                                  18    
HELIX    7 AA7 LEU A  205  VAL A  213  1                                   9    
HELIX    8 AA8 ASP A  215  PHE A  219  5                                   5    
HELIX    9 AA9 PRO A  225  GLY A  241  1                                  17    
HELIX   10 AB1 GLY A  242  THR A  246  5                                   5    
HELIX   11 AB2 ALA A  253  GLY A  255  5                                   3    
HELIX   12 AB3 ALA A  266  ALA A  270  5                                   5    
HELIX   13 AB4 PRO A  277  GLY A  292  1                                  16    
HELIX   14 AB5 LEU A  293  GLY A  311  1                                  19    
HELIX   15 AB6 LYS A  323  ASP A  337  1                                  15    
HELIX   16 AB7 ILE B   26  ALA B   41  1                                  16    
HELIX   17 AB8 GLU B   58  ARG B   72  1                                  15    
HELIX   18 AB9 SER B   91  LEU B  100  1                                  10    
HELIX   19 AC1 GLU B  132  SER B  136  5                                   5    
HELIX   20 AC2 LYS B  155  SER B  172  1                                  18    
HELIX   21 AC3 LEU B  188  ALA B  202  1                                  15    
HELIX   22 AC4 VAL B  214  VAL B  222  1                                   9    
HELIX   23 AC5 ARG B  224  PHE B  228  5                                   5    
HELIX   24 AC6 PRO B  234  VAL B  249  1                                  16    
HELIX   25 AC7 PRO B  286  LEU B  300  1                                  15    
HELIX   26 AC8 LEU B  302  ASP B  318  1                                  17    
HELIX   27 AC9 ASN B  319  HIS B  323  5                                   5    
HELIX   28 AD1 THR B  324  GLY B  328  5                                   5    
HELIX   29 AD2 THR B  332  ASN B  348  1                                  17    
SHEET    1 AA110 ILE A  34  GLU A  38  0                                        
SHEET    2 AA110 GLN A   5  ILE A  10  1  N  VAL A   7   O  GLU A  37           
SHEET    3 AA110 MET A  66  LYS A  69  1  O  LEU A  68   N  ILE A  10           
SHEET    4 AA110 ALA A 257  GLU A 260  1  O  PHE A 259   N  LYS A  69           
SHEET    5 AA110 SER A 248  ILE A 251 -1  N  SER A 248   O  GLU A 260           
SHEET    6 AA110 ALA A  95  VAL A 101 -1  N  VAL A  97   O  GLY A 249           
SHEET    7 AA110 ASN A 114  GLU A 120 -1  O  ILE A 115   N  CYS A 100           
SHEET    8 AA110 VAL A 221  MET A 224  1  O  LEU A 222   N  ILE A 118           
SHEET    9 AA110 ASN A 167  HIS A 172  1  N  THR A 169   O  VAL A 221           
SHEET   10 AA110 LYS A 199  TYR A 204  1  O  LYS A 199   N  VAL A 168           
SHEET    1 AA2 4 GLU A 130  VAL A 134  0                                        
SHEET    2 AA2 4 VAL A 137  THR A 145 -1  O  GLN A 139   N  HIS A 131           
SHEET    3 AA2 4 VAL B 146  THR B 154 -1  O  ILE B 153   N  VAL A 138           
SHEET    4 AA2 4 GLU B 139  VAL B 143 -1  N  HIS B 140   O  GLU B 148           
SHEET    1 AA310 VAL B  45  GLU B  49  0                                        
SHEET    2 AA310 HIS B  16  ILE B  21  1  N  HIS B  16   O  ASP B  46           
SHEET    3 AA310 VAL B  73  LYS B  76  1  O  LEU B  75   N  THR B  19           
SHEET    4 AA310 ALA B 265  THR B 269  1  O  PHE B 267   N  LYS B  76           
SHEET    5 AA310 ALA B 256  TYR B 260 -1  N  GLY B 257   O  GLU B 268           
SHEET    6 AA310 ALA B 104  LYS B 110 -1  N  ALA B 104   O  TYR B 260           
SHEET    7 AA310 ASP B 123  GLU B 129 -1  O  ARG B 128   N  ASN B 105           
SHEET    8 AA310 VAL B 230  MET B 233  1  O  MET B 231   N  VAL B 127           
SHEET    9 AA310 LYS B 176  HIS B 181  1  N  VAL B 180   O  VAL B 232           
SHEET   10 AA310 THR B 208  ILE B 213  1  O  THR B 208   N  VAL B 177           
LINK         O   ASP A 230                MG    MG A 401     1555   1555  2.56  
LINK         OD1 ASP A 230                MG    MG A 401     1555   1555  2.25  
LINK         OD2 ASP A 234                MG    MG A 401     1555   1555  2.24  
LINK        MG    MG A 401                 OD2 ASP B 215     1555   1555  2.57  
LINK         O   HOH A 516                MG    MG B 402     1555   1555  2.66  
LINK         OD1 ASN B  78                MG    MG B 402     1555   1555  2.56  
LINK         O   ARG B 272                MG    MG B 402     1555   1555  2.37  
LINK         O5  CIT B 401                MG    MG B 402     1555   1555  2.39  
LINK        MG    MG B 402                 O   HOH B 559     1555   1555  2.75  
LINK        MG    MG B 402                 O   HOH B 584     1555   1555  2.89  
SITE     1 AC1  3 ASP A 230  ASP A 234  ASP B 215                               
SITE     1 AC2 13 LYS A 173  ASN A 175  ASN B  78  THR B  81                    
SITE     2 AC2 13 SER B  91  ASN B  93  ARG B  97  ARG B 128                    
SITE     3 AC2 13 TYR B 135  ASN B 239  ARG B 272   MG B 402                    
SITE     4 AC2 13 HOH B 559                                                     
SITE     1 AC3  6 HOH A 516  ASN B  78  ARG B 272  CIT B 401                    
SITE     2 AC3  6 HOH B 559  HOH B 584                                          
CRYST1  112.040  112.040  144.950  90.00  90.00 120.00 P 31 2 1      6          
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      0.008925  0.005153  0.000000        0.00000                         
SCALE2      0.000000  0.010306  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006899        0.00000