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Database: PDB
Entry: 4AJB
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Original site: 4AJB 
HEADER    OXIDOREDUCTASE                          16-FEB-12   4AJB              
TITLE     3D STRUCTURE OF E. COLI ISOCITRATE DEHYDROGENASE K100M MUTANT IN      
TITLE    2 COMPLEX WITH ISOCITRATE, MAGNESIUM(II) AND THIONADP                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NADP ISOCITRATE DEHYDROGENASE;                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.1.1.42;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    OXIDOREDUCTASE, OXIDATIVE BETA-DECARBOXYLATION                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.GONCALVES,S.P.MILLER,M.A.CARRONDO,A.M.DEAN,P.M.MATIAS               
REVDAT   2   20-DEC-23 4AJB    1       REMARK LINK                              
REVDAT   1   31-OCT-12 4AJB    0                                                
JRNL        AUTH   S.GONCALVES,S.P.MILLER,M.A.CARRONDO,A.M.DEAN,P.M.MATIAS      
JRNL        TITL   INDUCED FIT AND THE CATALYTIC MECHANISM OF ISOCITRATE        
JRNL        TITL 2 DEHYDROGENASE.                                               
JRNL        REF    BIOCHEMISTRY                  V.  51  7098 2012              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   22891681                                                     
JRNL        DOI    10.1021/BI300483W                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 48.74                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.990                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 64286                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.167                           
REMARK   3   R VALUE            (WORKING SET) : 0.166                           
REMARK   3   FREE R VALUE                     : 0.181                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3235                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 48.7596 -  4.0927    1.00     6474   345  0.1521 0.1549        
REMARK   3     2  4.0927 -  3.2487    1.00     6185   335  0.1447 0.1535        
REMARK   3     3  3.2487 -  2.8381    1.00     6119   332  0.1684 0.1907        
REMARK   3     4  2.8381 -  2.5786    1.00     6106   316  0.1735 0.1986        
REMARK   3     5  2.5786 -  2.3938    1.00     6087   303  0.1736 0.2061        
REMARK   3     6  2.3938 -  2.2527    1.00     6039   337  0.1716 0.1957        
REMARK   3     7  2.2527 -  2.1399    1.00     5995   362  0.1711 0.1800        
REMARK   3     8  2.1399 -  2.0467    1.00     6069   291  0.1810 0.1850        
REMARK   3     9  2.0467 -  1.9679    1.00     6026   306  0.2048 0.2289        
REMARK   3    10  1.9679 -  1.9000    0.99     5951   308  0.2415 0.2626        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.10                                          
REMARK   3   SHRINKAGE RADIUS   : 0.83                                          
REMARK   3   K_SOL              : 0.38                                          
REMARK   3   B_SOL              : 51.61                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.420            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.650           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.12010                                             
REMARK   3    B22 (A**2) : -1.12010                                             
REMARK   3    B33 (A**2) : -9.82620                                             
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           3390                                  
REMARK   3   ANGLE     :  1.079           4612                                  
REMARK   3   CHIRALITY :  0.073            510                                  
REMARK   3   PLANARITY :  0.005            596                                  
REMARK   3   DIHEDRAL  : 14.002           1296                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4AJB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 16-FEB-12.                  
REMARK 100 THE DEPOSITION ID IS D_1290051306.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06DA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9792                             
REMARK 200  MONOCHROMATOR                  : BARTELS MONOCHROMATOR WITH DUAL    
REMARK 200                                   CHANNEL CUT CRYSTALS               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 64372                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 48.800                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 7.300                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.54000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.200                              
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: PDB ENTRY 1AI2                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 72.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.85M NH4SO4, 50 MM CITRIC               
REMARK 280  ACID/NA2HPO4 BUFFER PH 5.2, 0.1 M NACL AND 0.2 M DTT                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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 -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       75.16950            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       51.52700            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       51.52700            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      112.75425            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       51.52700            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       51.52700            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       37.58475            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       51.52700            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       51.52700            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      112.75425            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       51.52700            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       51.52700            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       37.58475            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       75.16950            
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: 10690 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 30960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -82.6 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  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED RESIDUE IN CHAIN A, LYS 100 TO MET                        
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     MET A     1                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  2098     O    HOH A  2100              1.81            
REMARK 500   O    HOH A  2010     O    HOH A  2032              1.81            
REMARK 500   O    HOH A  2465     O    HOH A  2478              1.82            
REMARK 500   O    GLN A    80     O    HOH A  2126              1.83            
REMARK 500   O    HOH A  2132     O    HOH A  2433              1.84            
REMARK 500   O    HOH A  2119     O    HOH A  2185              1.90            
REMARK 500   O    HOH A  2011     O    HOH A  2032              1.91            
REMARK 500   O    HOH A  2129     O    HOH A  2321              1.95            
REMARK 500   O    HOH A  2091     O    HOH A  2245              1.99            
REMARK 500   O    HOH A  2414     O    HOH A  2489              2.02            
REMARK 500   OH   TYR A    78     OE1  GLU A    87              2.03            
REMARK 500   OE2  GLU A    25     O    HOH A  2040              2.07            
REMARK 500   O    HOH A  2180     O    HOH A  2181              2.09            
REMARK 500   O    HOH A  2030     O    HOH A  2065              2.12            
REMARK 500   O    HOH A  2087     O    HOH A  2227              2.17            
REMARK 500   O    HOH A  2222     O    HOH A  2452              2.18            
REMARK 500   O    HOH A  2096     O    HOH A  2257              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  2166     O    HOH A  2488     7555     1.81            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  96      -38.19     79.21                                   
REMARK 500    ASP A 148       82.70   -151.60                                   
REMARK 500    GLU A 157     -148.88   -129.19                                   
REMARK 500    ASP A 158     -170.15     68.48                                   
REMARK 500    ASP A 168       -0.81     75.88                                   
REMARK 500    LYS A 230       57.08   -115.67                                   
REMARK 500    THR A 237      -71.30   -114.43                                   
REMARK 500    ASP A 259     -123.54     50.75                                   
REMARK 500    ASP A 259     -125.49     53.74                                   
REMARK 500    ASP A 297      -96.82   -140.31                                   
REMARK 500    ALA A 342       57.59     33.66                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2100        DISTANCE =  6.01 ANGSTROMS                       
REMARK 525    HOH A2230        DISTANCE =  6.14 ANGSTROMS                       
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 503  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 283   OD2                                                    
REMARK 620 2 ASP A 307   OD1  97.8                                              
REMARK 620 3 ICT A 502   O2  159.9  89.3                                        
REMARK 620 4 ICT A 502   O7   89.0  95.7  71.6                                  
REMARK 620 5 HOH A2199   O   104.3  89.3  94.5 165.1                            
REMARK 620 6 HOH A2393   O    85.1 175.9  88.9  87.2  87.1                      
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 TAP A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ICT A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 503                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 504                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4AJ3   RELATED DB: PDB                                   
REMARK 900 3D STRUCTURE OF E. COLI ISOCITRATE DEHYDROGENASE IN COMPLEX WITH     
REMARK 900 ISOCITRATE, CALCIUM(II) AND NADP - THE PSEUDO-MICHAELIS COMPLEX      
REMARK 900 RELATED ID: 4AJA   RELATED DB: PDB                                   
REMARK 900 3D STRUCTURE OF E. COLI ISOCITRATE DEHYDROGENASE IN COMPLEX WITH     
REMARK 900 ISOCITRATE, CALCIUM(II) AND THIONADP                                 
REMARK 900 RELATED ID: 4AJC   RELATED DB: PDB                                   
REMARK 900 3D STRUCTURE OF E. COLI ISOCITRATE DEHYDROGENASE K100M MUTANT IN     
REMARK 900 COMPLEX WITH ALPHA-KETOGLUTARATE, CALCIUM(II ) AND ADENINE           
REMARK 900 NUCLEOTIDE PHOSPHATE                                                 
DBREF  4AJB A    1   416  UNP    P08200   IDH_ECOLI        1    416             
SEQADV 4AJB MET A  100  UNP  P08200    LYS   100 ENGINEERED MUTATION            
SEQRES   1 A  416  MET GLU SER LYS VAL VAL VAL PRO ALA GLN GLY LYS LYS          
SEQRES   2 A  416  ILE THR LEU GLN ASN GLY LYS LEU ASN VAL PRO GLU ASN          
SEQRES   3 A  416  PRO ILE ILE PRO TYR ILE GLU GLY ASP GLY ILE GLY VAL          
SEQRES   4 A  416  ASP VAL THR PRO ALA MET LEU LYS VAL VAL ASP ALA ALA          
SEQRES   5 A  416  VAL GLU LYS ALA TYR LYS GLY GLU ARG LYS ILE SER TRP          
SEQRES   6 A  416  MET GLU ILE TYR THR GLY GLU LYS SER THR GLN VAL TYR          
SEQRES   7 A  416  GLY GLN ASP VAL TRP LEU PRO ALA GLU THR LEU ASP LEU          
SEQRES   8 A  416  ILE ARG GLU TYR ARG VAL ALA ILE MET GLY PRO LEU THR          
SEQRES   9 A  416  THR PRO VAL GLY GLY GLY ILE ARG SER LEU ASN VAL ALA          
SEQRES  10 A  416  LEU ARG GLN GLU LEU ASP LEU TYR ILE CYS LEU ARG PRO          
SEQRES  11 A  416  VAL ARG TYR TYR GLN GLY THR PRO SER PRO VAL LYS HIS          
SEQRES  12 A  416  PRO GLU LEU THR ASP MET VAL ILE PHE ARG GLU ASN SER          
SEQRES  13 A  416  GLU ASP ILE TYR ALA GLY ILE GLU TRP LYS ALA ASP SER          
SEQRES  14 A  416  ALA ASP ALA GLU LYS VAL ILE LYS PHE LEU ARG GLU GLU          
SEQRES  15 A  416  MET GLY VAL LYS LYS ILE ARG PHE PRO GLU HIS CYS GLY          
SEQRES  16 A  416  ILE GLY ILE LYS PRO CYS SER GLU GLU GLY THR LYS ARG          
SEQRES  17 A  416  LEU VAL ARG ALA ALA ILE GLU TYR ALA ILE ALA ASN ASP          
SEQRES  18 A  416  ARG ASP SER VAL THR LEU VAL HIS LYS GLY ASN ILE MET          
SEQRES  19 A  416  LYS PHE THR GLU GLY ALA PHE LYS ASP TRP GLY TYR GLN          
SEQRES  20 A  416  LEU ALA ARG GLU GLU PHE GLY GLY GLU LEU ILE ASP GLY          
SEQRES  21 A  416  GLY PRO TRP LEU LYS VAL LYS ASN PRO ASN THR GLY LYS          
SEQRES  22 A  416  GLU ILE VAL ILE LYS ASP VAL ILE ALA ASP ALA PHE LEU          
SEQRES  23 A  416  GLN GLN ILE LEU LEU ARG PRO ALA GLU TYR ASP VAL ILE          
SEQRES  24 A  416  ALA CYS MET ASN LEU ASN GLY ASP TYR ILE SER ASP ALA          
SEQRES  25 A  416  LEU ALA ALA GLN VAL GLY GLY ILE GLY ILE ALA PRO GLY          
SEQRES  26 A  416  ALA ASN ILE GLY ASP GLU CYS ALA LEU PHE GLU ALA THR          
SEQRES  27 A  416  HIS GLY THR ALA PRO LYS TYR ALA GLY GLN ASP LYS VAL          
SEQRES  28 A  416  ASN PRO GLY SER ILE ILE LEU SER ALA GLU MET MET LEU          
SEQRES  29 A  416  ARG HIS MET GLY TRP THR GLU ALA ALA ASP LEU ILE VAL          
SEQRES  30 A  416  LYS GLY MET GLU GLY ALA ILE ASN ALA LYS THR VAL THR          
SEQRES  31 A  416  TYR ASP PHE GLU ARG LEU MET ASP GLY ALA LYS LEU LEU          
SEQRES  32 A  416  LYS CYS SER GLU PHE GLY ASP ALA ILE ILE GLU ASN MET          
HET    TAP  A 501      48                                                       
HET    ICT  A 502      13                                                       
HET     MG  A 503       1                                                       
HET    SO4  A 504       5                                                       
HETNAM     TAP 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE                
HETNAM     ICT ISOCITRIC ACID                                                   
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     SO4 SULFATE ION                                                      
HETSYN     TAP TATP                                                             
FORMUL   2  TAP    C21 H28 N7 O16 P3 S                                          
FORMUL   3  ICT    C6 H8 O7                                                     
FORMUL   4   MG    MG 2+                                                        
FORMUL   5  SO4    O4 S 2-                                                      
FORMUL   6  HOH   *490(H2 O)                                                    
HELIX    1   1 ILE A   37  LYS A   58  1                                  22    
HELIX    2   2 GLY A   71  GLY A   79  1                                   9    
HELIX    3   3 PRO A   85  ARG A   96  1                                  12    
HELIX    4   4 SER A  113  LEU A  122  1                                  10    
HELIX    5   5 HIS A  143  LEU A  146  5                                   4    
HELIX    6   6 GLU A  157  GLY A  162  5                                   6    
HELIX    7   7 SER A  169  GLU A  182  1                                  14    
HELIX    8   8 SER A  202  ASN A  220  1                                  19    
HELIX    9   9 THR A  237  GLY A  254  1                                  18    
HELIX   10  10 ALA A  282  ARG A  292  1                                  11    
HELIX   11  11 PRO A  293  TYR A  296  5                                   4    
HELIX   12  12 MET A  302  VAL A  317  1                                  16    
HELIX   13  13 ALA A  342  ALA A  346  5                                   5    
HELIX   14  14 PRO A  353  MET A  367  1                                  15    
HELIX   15  15 TRP A  369  ALA A  386  1                                  18    
HELIX   16  16 THR A  390  ARG A  395  1                                   6    
HELIX   17  17 LYS A  404  ASN A  415  1                                  12    
SHEET    1  AA 2 THR A  15  GLN A  17  0                                        
SHEET    2  AA 2 LYS A  20  ASN A  22 -1  O  LYS A  20   N  GLN A  17           
SHEET    1  AB12 SER A  64  ILE A  68  0                                        
SHEET    2  AB12 ILE A  28  ILE A  32  1  O  ILE A  29   N  MET A  66           
SHEET    3  AB12 VAL A  97  MET A 100  1  O  ILE A  99   N  ILE A  32           
SHEET    4  AB12 ALA A 333  GLU A 336  1  O  ALA A 333   N  ALA A  98           
SHEET    5  AB12 ALA A 326  ILE A 328 -1  O  ASN A 327   N  LEU A 334           
SHEET    6  AB12 ILE A 126  ARG A 132 -1  O  ILE A 126   N  ILE A 328           
SHEET    7  AB12 ASP A 148  GLU A 154 -1  O  MET A 149   N  VAL A 131           
SHEET    8  AB12 VAL A 298  CYS A 301  1  O  ILE A 299   N  PHE A 152           
SHEET    9  AB12 SER A 224  HIS A 229  1  O  SER A 224   N  VAL A 298           
SHEET   10  AB12 GLU A 274  ILE A 281  1  O  VAL A 276   N  VAL A 225           
SHEET   11  AB12 LEU A 264  LYS A 267 -1  O  LEU A 264   N  ILE A 277           
SHEET   12  AB12 GLU A 256  LEU A 257 -1  O  GLU A 256   N  LYS A 265           
SHEET    1  AC 2 GLU A 164  TRP A 165  0                                        
SHEET    2  AC 2 ILE A 196  GLY A 197 -1  O  ILE A 196   N  TRP A 165           
SHEET    1  AD 2 THR A 388  VAL A 389  0                                        
SHEET    2  AD 2 LYS A 401  LEU A 402  1  O  LYS A 401   N  VAL A 389           
LINK         OD2 ASP A 283                MG    MG A 503     7555   1555  2.11  
LINK         OD1 ASP A 307                MG    MG A 503     1555   1555  2.07  
LINK         O2  ICT A 502                MG    MG A 503     1555   1555  2.26  
LINK         O7  ICT A 502                MG    MG A 503     1555   1555  2.28  
LINK        MG    MG A 503                 O   HOH A2199     1555   1555  2.20  
LINK        MG    MG A 503                 O   HOH A2393     1555   1555  2.21  
CISPEP   1 GLY A  261    PRO A  262          0         4.24                     
SITE     1 AC1 30 LYS A  58  LEU A 103  THR A 105  ARG A 292                    
SITE     2 AC1 30 THR A 338  HIS A 339  GLY A 340  THR A 341                    
SITE     3 AC1 30 ALA A 342  TYR A 345  VAL A 351  ASN A 352                    
SITE     4 AC1 30 TYR A 391  ASP A 392  ARG A 395  ICT A 502                    
SITE     5 AC1 30 HOH A2167  HOH A2169  HOH A2172  HOH A2182                    
SITE     6 AC1 30 HOH A2401  HOH A2411  HOH A2412  HOH A2483                    
SITE     7 AC1 30 HOH A2484  HOH A2485  HOH A2486  HOH A2487                    
SITE     8 AC1 30 HOH A2488  HOH A2489                                          
SITE     1 AC2 16 SER A 113  ARG A 119  ARG A 129  ARG A 153                    
SITE     2 AC2 16 TYR A 160  LYS A 230  ASN A 232  ASP A 283                    
SITE     3 AC2 16 ASP A 307  TAP A 501   MG A 503  HOH A2172                    
SITE     4 AC2 16 HOH A2182  HOH A2200  HOH A2393  HOH A2484                    
SITE     1 AC3  5 ASP A 283  ASP A 307  ICT A 502  HOH A2199                    
SITE     2 AC3  5 HOH A2393                                                     
SITE     1 AC4  5 GLY A 108  GLY A 109  GLY A 110  LYS A 235                    
SITE     2 AC4  5 HOH A2174                                                     
CRYST1  103.054  103.054  150.339  90.00  90.00  90.00 P 43 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      0.009704  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009704  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006652        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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