HEADER    TRANSFERASE                             18-DEC-16   5MPR              
TITLE     SINGLE AMINO ACID VARIANT OF HUMAN MITOCHONDRIAL BRANCHED CHAIN AMINO 
TITLE    2 ACID AMINOTRANSFERASE 2                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BRANCHED-CHAIN-AMINO-ACID AMINOTRANSFERASE, MITOCHONDRIAL; 
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: BCAT(M),PLACENTAL PROTEIN 18,PP18;                          
COMPND   5 EC: 2.6.1.42;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: BCAT2, BCATM, BCT2, ECA40;                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    AMINOTRANSFERASE TRANSAMINASE PLP MUTATION, TRANSFERASE               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.HAKANSSON,B.WALSE,C.NILSSON,L.C.ANDERSON                            
REVDAT   3   16-OCT-19 5MPR    1       REMARK                                   
REVDAT   2   13-DEC-17 5MPR    1       JRNL                                     
REVDAT   1   19-JUL-17 5MPR    0                                                
JRNL        AUTH   L.C.ANDERSON,M.HAKANSSON,B.WALSE,C.L.NILSSON                 
JRNL        TITL   INTACT PROTEIN ANALYSIS AT 21 TESLA AND X-RAY                
JRNL        TITL 2 CRYSTALLOGRAPHY DEFINE STRUCTURAL DIFFERENCES IN SINGLE      
JRNL        TITL 3 AMINO ACID VARIANTS OF HUMAN MITOCHONDRIAL BRANCHED-CHAIN    
JRNL        TITL 4 AMINO ACID AMINOTRANSFERASE 2 (BCAT2).                       
JRNL        REF    J. AM. SOC. MASS SPECTROM.    V.  28  1796 2017              
JRNL        REFN                   ISSN 1879-1123                               
JRNL        PMID   28681360                                                     
JRNL        DOI    10.1007/S13361-017-1705-0                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0032                                      
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) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.52                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 54393                          
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) : 0.131                           
REMARK   3   R VALUE            (WORKING SET) : 0.128                           
REMARK   3   FREE R VALUE                     : 0.179                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2912                            
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) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.64                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3806                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.70                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2480                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 196                          
REMARK   3   BIN FREE R VALUE                    : 0.3460                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2901                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 35                                      
REMARK   3   SOLVENT ATOMS            : 236                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.86                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.20000                                              
REMARK   3    B22 (A**2) : 0.20000                                              
REMARK   3    B33 (A**2) : -0.65000                                             
REMARK   3    B12 (A**2) : 0.20000                                              
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): 0.075         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.072         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.056         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.771         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.983                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.971                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3123 ; 0.018 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  3036 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4250 ; 1.816 ; 1.975       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6984 ; 0.875 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   387 ; 5.926 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   137 ;31.820 ;23.066       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   533 ;13.275 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    25 ;16.156 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   458 ; 0.116 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3516 ; 0.010 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   736 ; 0.003 ; 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):  1503 ; 4.513 ; 2.411       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1502 ; 4.497 ; 2.410       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1890 ; 5.298 ; 3.631       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  1891 ; 5.305 ; 3.632       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1615 ; 6.817 ; 3.034       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1615 ; 6.816 ; 3.035       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2350 ; 8.025 ; 4.310       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  3544 ; 7.228 ;21.148       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  3545 ; 7.228 ;21.152       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  6152 ; 6.298 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    79 ;29.486 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  6229 ;17.965 ; 5.000       
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                                                           
REMARK   4                                                                      
REMARK   4 5MPR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-DEC-16.                  
REMARK 100 THE DEPOSITION ID IS D_1200002814.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-APR-16                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I03                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97625                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 57390                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 28.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 9.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
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: NULL                         
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUMFLUORIDE, 0.1 M BIS TRIS     
REMARK 280  PROPANE PH 6.5, 20% W/V POLYETHYLENE GLYCOL 3350, EVAPORATION,      
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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       70.29733            
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       35.14867            
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       35.14867            
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       70.29733            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 8080 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27770 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 6.0 KCAL/MOL                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      145.54769            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      246.04067            
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     GLY A    25                                                      
REMARK 465     GLU A    26                                                      
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   590     O    HOH A   692              1.98            
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    MET A  40   CG  -  SD  -  CE  ANGL. DEV. = -14.3 DEGREES          
REMARK 500    ARG A 304   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 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    ASN A 149       35.09   -148.72                                   
REMARK 500    GLN A 316      -63.84     80.41                                   
REMARK 500    GLN A 316      -73.14     80.41                                   
REMARK 500    PRO A 333       31.36    -87.86                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 404                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 405                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 406                 
DBREF  5MPR A    1   365  UNP    O15382   BCAT2_HUMAN     28    392             
SEQADV 5MPR GLY A    0  UNP  O15382              EXPRESSION TAG                 
SEQADV 5MPR ARG A  159  UNP  O15382    THR   186 ENGINEERED MUTATION            
SEQRES   1 A  366  GLY ALA SER SER SER PHE LYS ALA ALA ASP LEU GLN LEU          
SEQRES   2 A  366  GLU MET THR GLN LYS PRO HIS LYS LYS PRO GLY PRO GLY          
SEQRES   3 A  366  GLU PRO LEU VAL PHE GLY LYS THR PHE THR ASP HIS MET          
SEQRES   4 A  366  LEU MET VAL GLU TRP ASN ASP LYS GLY TRP GLY GLN PRO          
SEQRES   5 A  366  ARG ILE GLN PRO PHE GLN ASN LEU THR LEU HIS PRO ALA          
SEQRES   6 A  366  SER SER SER LEU HIS TYR SER LEU GLN LEU PHE GLU GLY          
SEQRES   7 A  366  MET LYS ALA PHE LYS GLY LYS ASP GLN GLN VAL ARG LEU          
SEQRES   8 A  366  PHE ARG PRO TRP LEU ASN MET ASP ARG MET LEU ARG SER          
SEQRES   9 A  366  ALA MET ARG LEU CYS LEU PRO SER PHE ASP LYS LEU GLU          
SEQRES  10 A  366  LEU LEU GLU CYS ILE ARG ARG LEU ILE GLU VAL ASP LYS          
SEQRES  11 A  366  ASP TRP VAL PRO ASP ALA ALA GLY THR SER LEU TYR VAL          
SEQRES  12 A  366  ARG PRO VAL LEU ILE GLY ASN GLU PRO SER LEU GLY VAL          
SEQRES  13 A  366  SER GLN PRO ARG ARG ALA LEU LEU PHE VAL ILE LEU CYS          
SEQRES  14 A  366  PRO VAL GLY ALA TYR PHE PRO GLY GLY SER VAL THR PRO          
SEQRES  15 A  366  VAL SER LEU LEU ALA ASP PRO ALA PHE ILE ARG ALA TRP          
SEQRES  16 A  366  VAL GLY GLY VAL GLY ASN TYR LYS LEU GLY GLY ASN TYR          
SEQRES  17 A  366  GLY PRO THR VAL LEU VAL GLN GLN GLU ALA LEU LYS ARG          
SEQRES  18 A  366  GLY CYS GLU GLN VAL LEU TRP LEU TYR GLY PRO ASP HIS          
SEQRES  19 A  366  GLN LEU THR GLU VAL GLY THR MET ASN ILE PHE VAL TYR          
SEQRES  20 A  366  TRP THR HIS GLU ASP GLY VAL LEU GLU LEU VAL THR PRO          
SEQRES  21 A  366  PRO LEU ASN GLY VAL ILE LEU PRO GLY VAL VAL ARG GLN          
SEQRES  22 A  366  SER LEU LEU ASP MET ALA GLN THR TRP GLY GLU PHE ARG          
SEQRES  23 A  366  VAL VAL GLU ARG THR ILE THR MET LYS GLN LEU LEU ARG          
SEQRES  24 A  366  ALA LEU GLU GLU GLY ARG VAL ARG GLU VAL PHE GLY SER          
SEQRES  25 A  366  GLY THR ALA CYS GLN VAL CYS PRO VAL HIS ARG ILE LEU          
SEQRES  26 A  366  TYR LYS ASP ARG ASN LEU HIS ILE PRO THR MET GLU ASN          
SEQRES  27 A  366  GLY PRO GLU LEU ILE LEU ARG PHE GLN LYS GLU LEU LYS          
SEQRES  28 A  366  GLU ILE GLN TYR GLY ILE ARG ALA HIS GLU TRP MET PHE          
SEQRES  29 A  366  PRO VAL                                                      
HET    PLP  A 401      15                                                       
HET    EDO  A 402       4                                                       
HET    EDO  A 403       4                                                       
HET    EDO  A 404       4                                                       
HET    EDO  A 405       4                                                       
HET    EDO  A 406       4                                                       
HETNAM     PLP PYRIDOXAL-5'-PHOSPHATE                                           
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETSYN     PLP VITAMIN B6 PHOSPHATE                                             
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   2  PLP    C8 H10 N O6 P                                                
FORMUL   3  EDO    5(C2 H6 O2)                                                  
FORMUL   8  HOH   *236(H2 O)                                                    
HELIX    1 AA1 LYS A    6  LEU A   10  5                                   5    
HELIX    2 AA2 SER A   65  TYR A   70  1                                   6    
HELIX    3 AA3 ARG A   92  LEU A  107  1                                  16    
HELIX    4 AA4 ASP A  113  ASP A  128  1                                  16    
HELIX    5 AA5 LYS A  129  VAL A  132  5                                   4    
HELIX    6 AA6 LEU A  203  PRO A  209  5                                   7    
HELIX    7 AA7 THR A  210  ARG A  220  1                                  11    
HELIX    8 AA8 GLY A  268  GLY A  282  1                                  15    
HELIX    9 AA9 THR A  292  GLU A  302  1                                  11    
HELIX   10 AB1 PRO A  333  GLY A  338  5                                   6    
HELIX   11 AB2 PRO A  339  TYR A  354  1                                  16    
SHEET    1 AA1 6 GLN A  11  LEU A  12  0                                        
SHEET    2 AA1 6 ARG A  52  PRO A  55  1  O  ILE A  53   N  GLN A  11           
SHEET    3 AA1 6 HIS A  37  ASN A  44 -1  N  MET A  38   O  GLN A  54           
SHEET    4 AA1 6 ALA A 161  VAL A 170 -1  O  LEU A 163   N  VAL A  41           
SHEET    5 AA1 6 SER A 139  GLY A 148 -1  N  TYR A 141   O  CYS A 168           
SHEET    6 AA1 6 GLN A  73  PHE A  75 -1  N  LEU A  74   O  LEU A 146           
SHEET    1 AA2 7 GLY A  47  TRP A  48  0                                        
SHEET    2 AA2 7 HIS A  37  ASN A  44 -1  N  ASN A  44   O  GLY A  47           
SHEET    3 AA2 7 ALA A 161  VAL A 170 -1  O  LEU A 163   N  VAL A  41           
SHEET    4 AA2 7 SER A 139  GLY A 148 -1  N  TYR A 141   O  CYS A 168           
SHEET    5 AA2 7 MET A  78  LYS A  82 -1  N  MET A  78   O  VAL A 142           
SHEET    6 AA2 7 VAL A  88  PHE A  91 -1  O  ARG A  89   N  PHE A  81           
SHEET    7 AA2 7 MET A 362  PRO A 364 -1  O  PHE A 363   N  LEU A  90           
SHEET    1 AA3 8 ARG A 285  GLU A 288  0                                        
SHEET    2 AA3 8 LEU A 254  THR A 258  1  N  LEU A 256   O  VAL A 287           
SHEET    3 AA3 8 MET A 241  THR A 248 -1  N  TRP A 247   O  GLU A 255           
SHEET    4 AA3 8 GLN A 234  VAL A 238 -1  N  VAL A 238   O  MET A 241           
SHEET    5 AA3 8 GLN A 224  TYR A 229 -1  N  TYR A 229   O  GLN A 234           
SHEET    6 AA3 8 VAL A 182  ALA A 186  1  N  LEU A 185   O  LEU A 226           
SHEET    7 AA3 8 GLN A 316  TYR A 325  1  O  LEU A 324   N  LEU A 184           
SHEET    8 AA3 8 ARG A 328  HIS A 331 -1  O  LEU A 330   N  ILE A 323           
SHEET    1 AA4 6 ARG A 285  GLU A 288  0                                        
SHEET    2 AA4 6 LEU A 254  THR A 258  1  N  LEU A 256   O  VAL A 287           
SHEET    3 AA4 6 MET A 241  THR A 248 -1  N  TRP A 247   O  GLU A 255           
SHEET    4 AA4 6 VAL A 305  GLY A 312 -1  O  GLU A 307   N  TYR A 246           
SHEET    5 AA4 6 GLN A 316  TYR A 325 -1  O  VAL A 320   N  VAL A 308           
SHEET    6 AA4 6 ARG A 328  HIS A 331 -1  O  LEU A 330   N  ILE A 323           
LINK         NZ  LYS A 202                 C4A PLP A 401     1555   1555  1.29  
CISPEP   1 GLY A  338    PRO A  339          0        -1.13                     
SITE     1 AC1 17 ARG A  99  ARG A 192  LYS A 202  TYR A 207                    
SITE     2 AC1 17 GLU A 237  THR A 240  ASN A 242  LEU A 266                    
SITE     3 AC1 17 GLY A 268  VAL A 269  VAL A 270  GLY A 312                    
SITE     4 AC1 17 THR A 313  EDO A 405  HOH A 541  HOH A 581                    
SITE     5 AC1 17 HOH A 588                                                     
SITE     1 AC2  5 TYR A 246  ARG A 306  LEU A 341  ARG A 344                    
SITE     2 AC2  5 HOH A 503                                                     
SITE     1 AC3  4 ASP A 276  MET A 277  THR A 280  HIS A 359                    
SITE     1 AC4  4 GLU A  42  LEU A  59  THR A  60  LEU A 162                    
SITE     1 AC5  4 TYR A  70  ARG A 143  LYS A 202  PLP A 401                    
SITE     1 AC6  6 THR A  15  LYS A  17  HIS A  19  ASP A  36                    
SITE     2 AC6  6 PHE A  56  HOH A 620                                          
CRYST1   84.032   84.032  105.446  90.00  90.00 120.00 P 32 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      0.011900  0.006871  0.000000        0.00000                         
SCALE2      0.000000  0.013741  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009484        0.00000