PDB Short entry for 1EKF
HEADER    TRANSFERASE                             08-MAR-00   1EKF              
TITLE     CRYSTALLOGRAPHIC STRUCTURE OF HUMAN BRANCHED CHAIN AMINO ACID         
TITLE    2 AMINOTRANSFERASE (MITOCHONDRIAL) COMPLEXED WITH PYRIDOXAL-5'-        
TITLE    3 PHOSPHATE AT 1.95 ANGSTROMS (ORTHORHOMBIC FORM)                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE (MITOCHONDRIAL);
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: BCAT(M);                                                    
COMPND   5 EC: 2.6.1.42;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21DE3;                                   
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-28A                                   
KEYWDS    FOLD TYPE IV, TRANSFERASE                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.H.YENNAWAR,J.H.DUNBAR,M.CONWAY,S.M.HUTSON,G.K.FARBER                
REVDAT   5   13-JUL-11 1EKF    1       VERSN                                    
REVDAT   4   24-FEB-09 1EKF    1       VERSN                                    
REVDAT   3   01-APR-03 1EKF    1       JRNL                                     
REVDAT   2   04-APR-01 1EKF    1       JRNL                                     
REVDAT   1   08-MAR-01 1EKF    0                                                
JRNL        AUTH   N.YENNAWAR,J.DUNBAR,M.CONWAY,S.HUTSON,G.FARBER               
JRNL        TITL   THE STRUCTURE OF HUMAN MITOCHONDRIAL BRANCHED-CHAIN          
JRNL        TITL 2 AMINOTRANSFERASE.                                            
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  57   506 2001              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   11264579                                                     
JRNL        DOI    10.1107/S0907444901001925                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   R.K.BLEDSOE,P.A.DAWSON,S.M.HUTSON                            
REMARK   1  TITL   CLONING OF THE RAT AND HUMAN MITOCHONDRIAL BRANCHED CHAIN    
REMARK   1  TITL 2 AMINOTRANSFERASES (BCATM)                                    
REMARK   1  REF    BIOCHIM.BIOPHYS.ACTA          V.1339     9 1997              
REMARK   1  REFN                   ISSN 0006-3002                               
REMARK   1  DOI    10.1016/S0167-4838(97)00044-7                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.9                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH AND HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.29                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 199264.810                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 83.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 48329                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.222                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 8.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3985                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.95                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.07                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 63.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5517                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2640                       
REMARK   3   BIN FREE R VALUE                    : 0.3170                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 8.70                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 525                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.014                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5820                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 273                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 15.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -8.11000                                             
REMARK   3    B22 (A**2) : -0.38000                                             
REMARK   3    B33 (A**2) : 8.49000                                              
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.26                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.32                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.30                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.60                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.20                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.07                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.33                                                 
REMARK   3   BSOL        : 42.13                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : CONSTR                                                  
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARA                                 
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE DENSITY FOR LOOP 172 TO 179 IN        
REMARK   3  MONOMER A IS WEAK. THE DENSITY FOR THE SAME LOOP IN MONOMER B IS    
REMARK   3  GOOD.                                                               
REMARK   4                                                                      
REMARK   4 1EKF COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAR-00.                  
REMARK 100 THE RCSB ID CODE IS RCSB010672.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-APR-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 223                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0721203                          
REMARK 200  MONOCHROMATOR                  : SI(111) DOUBLE CRYSTAL             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48329                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 24.290                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 83.8                               
REMARK 200  DATA REDUNDANCY                : 4.810                              
REMARK 200  R MERGE                    (I) : 0.06500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.3400                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 63.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.41400                            
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: NULL                         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: E. COLI BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE.  
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG1500, HEPES, DTT, PH 7.0, VAPOR       
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 298.0K                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       34.69250            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       53.50800            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       52.51600            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       53.50800            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       34.69250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       52.51600            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTED FROM CHAIN A  
REMARK 300 AND CHAIN B.                                                         
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: 5690 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 28410 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 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 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    GLY A   338     N    GLU A   340              2.12            
REMARK 500   NH2  ARG A   106     O    PRO B   209              2.15            
REMARK 500   NE   ARG B   102     O    HOH B   421              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    LEU A  74   CA  -  CB  -  CG  ANGL. DEV. =  16.2 DEGREES          
REMARK 500    LEU B  74   CA  -  CB  -  CG  ANGL. DEV. =  16.5 DEGREES          
REMARK 500    PRO B 175   C   -  N   -  CA  ANGL. DEV. =   9.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A   3     -101.53      5.21                                   
REMARK 500    PRO A  18      150.55    -36.92                                   
REMARK 500    PRO A  24     -138.72    -63.42                                   
REMARK 500    ASN A  44     -161.75   -124.19                                   
REMARK 500    GLN A  86       -8.08     93.70                                   
REMARK 500    ARG A  92       48.40     39.68                                   
REMARK 500    ASN A 149       46.95   -146.63                                   
REMARK 500    ALA A 172       99.10     64.12                                   
REMARK 500    TYR A 173      -90.10     15.64                                   
REMARK 500    PHE A 174      -64.40   -136.28                                   
REMARK 500    SER A 178     -162.32    -76.78                                   
REMARK 500    ASP A 251        2.76    -56.02                                   
REMARK 500    TYR A 325     -105.64    -88.99                                   
REMARK 500    ASP A 327       -6.50     63.28                                   
REMARK 500    PRO A 333       17.30    -63.14                                   
REMARK 500    PRO A 339       69.11    -62.78                                   
REMARK 500    SER B   2      -15.67   -160.13                                   
REMARK 500    SER B   3      173.25     32.44                                   
REMARK 500    SER B   4     -177.16    143.57                                   
REMARK 500    PHE B   5      105.50     61.66                                   
REMARK 500    ALA B   8        6.52    -69.58                                   
REMARK 500    THR B  15     -173.81    -53.20                                   
REMARK 500    GLN B  16      -14.37   -141.92                                   
REMARK 500    LYS B  17       72.47   -152.02                                   
REMARK 500    PRO B  27      151.44    -42.32                                   
REMARK 500    ASN B  44     -156.99   -149.62                                   
REMARK 500    ASP B  85       12.43    -64.19                                   
REMARK 500    ARG B  92       47.74     35.93                                   
REMARK 500    ASN B 149       45.41   -148.08                                   
REMARK 500    ALA B 172      114.68    165.04                                   
REMARK 500    PRO B 175      -39.68    -23.47                                   
REMARK 500    VAL B 179       69.96     61.63                                   
REMARK 500    ILE B 191       99.58     59.96                                   
REMARK 500    TYR B 325     -109.99    -88.54                                   
REMARK 500    ASP B 327       -6.60     60.99                                   
REMARK 500    PRO B 333       18.75    -63.44                                   
REMARK 500    PRO B 339       49.61    -59.40                                   
REMARK 500    GLU B 340      -70.18    -43.36                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A 207         0.07    SIDE CHAIN                              
REMARK 500    TYR B 207         0.09    SIDE CHAIN                              
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 A 466        DISTANCE =  5.74 ANGSTROMS                       
REMARK 525    HOH A 475        DISTANCE =  5.06 ANGSTROMS                       
REMARK 525    HOH A 478        DISTANCE =  7.73 ANGSTROMS                       
REMARK 525    HOH A 495        DISTANCE =  6.12 ANGSTROMS                       
REMARK 525    HOH B 472        DISTANCE =  5.29 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 370                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 370                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EKP   RELATED DB: PDB                                   
REMARK 900 1EKP CONTAINS THE SAME PROTEIN IN MONOCLINIC FORM COMPLEXED          
REMARK 900 WITH PYRIDOXAL PHOSPHATE                                             
REMARK 900 RELATED ID: 1EKV   RELATED DB: PDB                                   
REMARK 900 1EKV CONTAINS THE SAME PROTEIN INACTIVATED BY TRIS BOUND TO          
REMARK 900 THE PYRIDOXAL PHOSPHATE ON ONE END AND ACTIVE SITE LYS202            
REMARK 900 NZ ON THE OTHER                                                      
DBREF  1EKF A    1   365  UNP    O15382   BCAT2_HUMAN     28    392             
DBREF  1EKF B    1   365  UNP    O15382   BCAT2_HUMAN     28    392             
SEQRES   1 A  365  ALA SER SER SER PHE LYS ALA ALA ASP LEU GLN LEU GLU          
SEQRES   2 A  365  MET THR GLN LYS PRO HIS LYS LYS PRO GLY PRO GLY GLU          
SEQRES   3 A  365  PRO LEU VAL PHE GLY LYS THR PHE THR ASP HIS MET LEU          
SEQRES   4 A  365  MET VAL GLU TRP ASN ASP LYS GLY TRP GLY GLN PRO ARG          
SEQRES   5 A  365  ILE GLN PRO PHE GLN ASN LEU THR LEU HIS PRO ALA SER          
SEQRES   6 A  365  SER SER LEU HIS TYR SER LEU GLN LEU PHE GLU GLY MET          
SEQRES   7 A  365  LYS ALA PHE LYS GLY LYS ASP GLN GLN VAL ARG LEU PHE          
SEQRES   8 A  365  ARG PRO TRP LEU ASN MET ASP ARG MET LEU ARG SER ALA          
SEQRES   9 A  365  MET ARG LEU CYS LEU PRO SER PHE ASP LYS LEU GLU LEU          
SEQRES  10 A  365  LEU GLU CYS ILE ARG ARG LEU ILE GLU VAL ASP LYS ASP          
SEQRES  11 A  365  TRP VAL PRO ASP ALA ALA GLY THR SER LEU TYR VAL ARG          
SEQRES  12 A  365  PRO VAL LEU ILE GLY ASN GLU PRO SER LEU GLY VAL SER          
SEQRES  13 A  365  GLN PRO ARG ARG ALA LEU LEU PHE VAL ILE LEU CYS PRO          
SEQRES  14 A  365  VAL GLY ALA TYR PHE PRO GLY GLY SER VAL THR PRO VAL          
SEQRES  15 A  365  SER LEU LEU ALA ASP PRO ALA PHE ILE ARG ALA TRP VAL          
SEQRES  16 A  365  GLY GLY VAL GLY ASN TYR LYS LEU GLY GLY ASN TYR GLY          
SEQRES  17 A  365  PRO THR VAL LEU VAL GLN GLN GLU ALA LEU LYS ARG GLY          
SEQRES  18 A  365  CYS GLU GLN VAL LEU TRP LEU TYR GLY PRO ASP HIS GLN          
SEQRES  19 A  365  LEU THR GLU VAL GLY THR MET ASN ILE PHE VAL TYR TRP          
SEQRES  20 A  365  THR HIS GLU ASP GLY VAL LEU GLU LEU VAL THR PRO PRO          
SEQRES  21 A  365  LEU ASN GLY VAL ILE LEU PRO GLY VAL VAL ARG GLN SER          
SEQRES  22 A  365  LEU LEU ASP MET ALA GLN THR TRP GLY GLU PHE ARG VAL          
SEQRES  23 A  365  VAL GLU ARG THR ILE THR MET LYS GLN LEU LEU ARG ALA          
SEQRES  24 A  365  LEU GLU GLU GLY ARG VAL ARG GLU VAL PHE GLY SER GLY          
SEQRES  25 A  365  THR ALA CYS GLN VAL CYS PRO VAL HIS ARG ILE LEU TYR          
SEQRES  26 A  365  LYS ASP ARG ASN LEU HIS ILE PRO THR MET GLU ASN GLY          
SEQRES  27 A  365  PRO GLU LEU ILE LEU ARG PHE GLN LYS GLU LEU LYS GLU          
SEQRES  28 A  365  ILE GLN TYR GLY ILE ARG ALA HIS GLU TRP MET PHE PRO          
SEQRES  29 A  365  VAL                                                          
SEQRES   1 B  365  ALA SER SER SER PHE LYS ALA ALA ASP LEU GLN LEU GLU          
SEQRES   2 B  365  MET THR GLN LYS PRO HIS LYS LYS PRO GLY PRO GLY GLU          
SEQRES   3 B  365  PRO LEU VAL PHE GLY LYS THR PHE THR ASP HIS MET LEU          
SEQRES   4 B  365  MET VAL GLU TRP ASN ASP LYS GLY TRP GLY GLN PRO ARG          
SEQRES   5 B  365  ILE GLN PRO PHE GLN ASN LEU THR LEU HIS PRO ALA SER          
SEQRES   6 B  365  SER SER LEU HIS TYR SER LEU GLN LEU PHE GLU GLY MET          
SEQRES   7 B  365  LYS ALA PHE LYS GLY LYS ASP GLN GLN VAL ARG LEU PHE          
SEQRES   8 B  365  ARG PRO TRP LEU ASN MET ASP ARG MET LEU ARG SER ALA          
SEQRES   9 B  365  MET ARG LEU CYS LEU PRO SER PHE ASP LYS LEU GLU LEU          
SEQRES  10 B  365  LEU GLU CYS ILE ARG ARG LEU ILE GLU VAL ASP LYS ASP          
SEQRES  11 B  365  TRP VAL PRO ASP ALA ALA GLY THR SER LEU TYR VAL ARG          
SEQRES  12 B  365  PRO VAL LEU ILE GLY ASN GLU PRO SER LEU GLY VAL SER          
SEQRES  13 B  365  GLN PRO ARG ARG ALA LEU LEU PHE VAL ILE LEU CYS PRO          
SEQRES  14 B  365  VAL GLY ALA TYR PHE PRO GLY GLY SER VAL THR PRO VAL          
SEQRES  15 B  365  SER LEU LEU ALA ASP PRO ALA PHE ILE ARG ALA TRP VAL          
SEQRES  16 B  365  GLY GLY VAL GLY ASN TYR LYS LEU GLY GLY ASN TYR GLY          
SEQRES  17 B  365  PRO THR VAL LEU VAL GLN GLN GLU ALA LEU LYS ARG GLY          
SEQRES  18 B  365  CYS GLU GLN VAL LEU TRP LEU TYR GLY PRO ASP HIS GLN          
SEQRES  19 B  365  LEU THR GLU VAL GLY THR MET ASN ILE PHE VAL TYR TRP          
SEQRES  20 B  365  THR HIS GLU ASP GLY VAL LEU GLU LEU VAL THR PRO PRO          
SEQRES  21 B  365  LEU ASN GLY VAL ILE LEU PRO GLY VAL VAL ARG GLN SER          
SEQRES  22 B  365  LEU LEU ASP MET ALA GLN THR TRP GLY GLU PHE ARG VAL          
SEQRES  23 B  365  VAL GLU ARG THR ILE THR MET LYS GLN LEU LEU ARG ALA          
SEQRES  24 B  365  LEU GLU GLU GLY ARG VAL ARG GLU VAL PHE GLY SER GLY          
SEQRES  25 B  365  THR ALA CYS GLN VAL CYS PRO VAL HIS ARG ILE LEU TYR          
SEQRES  26 B  365  LYS ASP ARG ASN LEU HIS ILE PRO THR MET GLU ASN GLY          
SEQRES  27 B  365  PRO GLU LEU ILE LEU ARG PHE GLN LYS GLU LEU LYS GLU          
SEQRES  28 B  365  ILE GLN TYR GLY ILE ARG ALA HIS GLU TRP MET PHE PRO          
SEQRES  29 B  365  VAL                                                          
HET    PLP  A 370      15                                                       
HET    PLP  B 370      15                                                       
HETNAM     PLP PYRIDOXAL-5'-PHOSPHATE                                           
HETSYN     PLP VITAMIN B6 PHOSPHATE                                             
FORMUL   3  PLP    2(C8 H10 N O6 P)                                             
FORMUL   5  HOH   *273(H2 O)                                                    
HELIX    1   1 LYS A    6  LEU A   10  5                                   5    
HELIX    2   2 SER A   65  TYR A   70  1                                   6    
HELIX    3   3 ARG A   92  LEU A  107  1                                  16    
HELIX    4   4 ASP A  113  ASP A  128  1                                  16    
HELIX    5   5 LYS A  129  VAL A  132  5                                   4    
HELIX    6   6 GLY A  204  GLY A  208  5                                   5    
HELIX    7   7 PRO A  209  LYS A  219  1                                  11    
HELIX    8   8 GLY A  268  GLY A  282  1                                  15    
HELIX    9   9 THR A  292  GLU A  301  1                                  10    
HELIX   10  10 PRO A  339  TYR A  354  1                                  16    
HELIX   11  11 LYS B    6  LEU B   10  5                                   5    
HELIX   12  12 SER B   65  TYR B   70  1                                   6    
HELIX   13  13 ARG B   92  LEU B  107  1                                  16    
HELIX   14  14 ASP B  113  ASP B  128  1                                  16    
HELIX   15  15 LYS B  129  VAL B  132  5                                   4    
HELIX   16  16 GLY B  204  GLY B  208  5                                   5    
HELIX   17  17 PRO B  209  ARG B  220  1                                  12    
HELIX   18  18 GLY B  268  GLY B  282  1                                  15    
HELIX   19  19 THR B  292  GLU B  302  1                                  11    
HELIX   20  20 PRO B  339  TYR B  354  1                                  16    
SHEET    1   A10 GLN A  11  LEU A  12  0                                        
SHEET    2   A10 ARG A  52  PRO A  55  1  N  ILE A  53   O  GLN A  11           
SHEET    3   A10 HIS A  37  TRP A  43 -1  O  MET A  38   N  GLN A  54           
SHEET    4   A10 ALA A 161  VAL A 170 -1  O  ALA A 161   N  TRP A  43           
SHEET    5   A10 SER A 139  GLY A 148 -1  O  SER A 139   N  VAL A 170           
SHEET    6   A10 GLN A  73  PHE A  75 -1  O  LEU A  74   N  LEU A 146           
SHEET    7   A10 SER A 139  GLY A 148 -1  N  LEU A 146   O  LEU A  74           
SHEET    8   A10 MET A  78  LYS A  82 -1  O  MET A  78   N  VAL A 142           
SHEET    9   A10 VAL A  88  PHE A  91 -1  O  ARG A  89   N  PHE A  81           
SHEET   10   A10 MET A 362  PRO A 364 -1  N  PHE A 363   O  LEU A  90           
SHEET    1   B 2 LEU A  59  LEU A  61  0                                        
SHEET    2   B 2 LEU B  59  LEU B  61 -1  N  LEU B  59   O  LEU A  61           
SHEET    1   C11 ARG A 285  GLU A 288  0                                        
SHEET    2   C11 LEU A 254  THR A 258  1  O  LEU A 254   N  ARG A 285           
SHEET    3   C11 MET A 241  THR A 248 -1  O  VAL A 245   N  VAL A 257           
SHEET    4   C11 VAL A 305  SER A 311 -1  N  ARG A 306   O  TYR A 246           
SHEET    5   C11 CYS A 318  LEU A 324 -1  N  CYS A 318   O  GLY A 310           
SHEET    6   C11 ASN A 329  HIS A 331 -1  N  LEU A 330   O  ILE A 323           
SHEET    7   C11 CYS A 318  LEU A 324 -1  O  ILE A 323   N  LEU A 330           
SHEET    8   C11 VAL A 182  LEU A 185  1  N  VAL A 182   O  PRO A 319           
SHEET    9   C11 GLN A 224  TYR A 229  1  O  GLN A 224   N  LEU A 185           
SHEET   10   C11 GLN A 234  VAL A 238 -1  N  GLN A 234   O  TYR A 229           
SHEET   11   C11 MET A 241  THR A 248 -1  O  MET A 241   N  VAL A 238           
SHEET    1   D12 GLN B  11  LEU B  12  0                                        
SHEET    2   D12 ARG B  52  PRO B  55  1  N  ILE B  53   O  GLN B  11           
SHEET    3   D12 HIS B  37  ASN B  44 -1  O  MET B  38   N  GLN B  54           
SHEET    4   D12 GLY B  47  TRP B  48 -1  N  GLY B  47   O  ASN B  44           
SHEET    5   D12 HIS B  37  ASN B  44 -1  O  ASN B  44   N  GLY B  47           
SHEET    6   D12 ALA B 161  VAL B 170 -1  O  ALA B 161   N  TRP B  43           
SHEET    7   D12 SER B 139  GLY B 148 -1  O  SER B 139   N  VAL B 170           
SHEET    8   D12 GLN B  73  PHE B  75 -1  O  LEU B  74   N  LEU B 146           
SHEET    9   D12 SER B 139  GLY B 148 -1  N  LEU B 146   O  LEU B  74           
SHEET   10   D12 MET B  78  LYS B  82 -1  O  MET B  78   N  VAL B 142           
SHEET   11   D12 VAL B  88  PHE B  91 -1  O  ARG B  89   N  PHE B  81           
SHEET   12   D12 MET B 362  PRO B 364 -1  O  PHE B 363   N  LEU B  90           
SHEET    1   E11 ARG B 285  GLU B 288  0                                        
SHEET    2   E11 LEU B 254  THR B 258  1  O  LEU B 254   N  ARG B 285           
SHEET    3   E11 MET B 241  THR B 248 -1  N  VAL B 245   O  VAL B 257           
SHEET    4   E11 VAL B 305  SER B 311 -1  N  ARG B 306   O  TYR B 246           
SHEET    5   E11 VAL B 317  LEU B 324 -1  N  CYS B 318   O  GLY B 310           
SHEET    6   E11 ASN B 329  HIS B 331 -1  N  LEU B 330   O  ILE B 323           
SHEET    7   E11 VAL B 317  LEU B 324 -1  O  ILE B 323   N  LEU B 330           
SHEET    8   E11 VAL B 182  LEU B 185  1  N  VAL B 182   O  PRO B 319           
SHEET    9   E11 GLN B 224  TYR B 229  1  O  GLN B 224   N  LEU B 185           
SHEET   10   E11 GLN B 234  VAL B 238 -1  N  GLN B 234   O  TYR B 229           
SHEET   11   E11 MET B 241  THR B 248 -1  O  MET B 241   N  VAL B 238           
LINK         NZ  LYS A 202                 C4A PLP A 370     1555   1555  1.39  
LINK         NZ  LYS B 202                 C4A PLP B 370     1555   1555  1.38  
SITE     1 AC1 15 ARG A  99  ARG A 192  LYS A 202  TYR A 207                    
SITE     2 AC1 15 GLU A 237  THR A 240  ASN A 242  LEU A 266                    
SITE     3 AC1 15 GLY A 268  VAL A 269  VAL A 270  THR A 313                    
SITE     4 AC1 15 HOH A 371  HOH A 381  HOH A 385                               
SITE     1 AC2 15 ARG B  99  LYS B 202  TYR B 207  GLU B 237                    
SITE     2 AC2 15 THR B 240  ASN B 242  LEU B 266  GLY B 268                    
SITE     3 AC2 15 VAL B 269  VAL B 270  GLY B 312  THR B 313                    
SITE     4 AC2 15 HOH B 375  HOH B 400  HOH B 448                               
CRYST1   69.385  105.032  107.016  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.014412  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009521  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009344        0.00000