HEADER TRANSFERASE 26-JUN-06 2HG8 TITLE CRYSTAL STRUCTURE OF CYS315ALA MUTANT OF HUMAN MITOCHONDRIAL BRANCHED TITLE 2 CHAIN AMINOTRANSFERASE COMPLEXED WITH ITS SUBSTRATE MIMIC, N-METHYL TITLE 3 LEUCINE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: BRANCHED-CHAIN-AMINO-ACID AMINOTRANSFERASE, MITOCHONDRIAL; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BCATM, PLACENTAL PROTEIN 18, PP18, MITOCHONDRIAL BRANCHED COMPND 5 CHAIN AMINOTRANSFERASE; COMPND 6 EC: 2.6.1.42; COMPND 7 ENGINEERED: YES; COMPND 8 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, ECA40; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-28A KEYWDS D-AMINOACID AMINOTRANSFERASE-LIKE PLP-DEPENDENT ENZYMES, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR N.H.YENNAWAR,S.M.HUTSON REVDAT 6 20-OCT-21 2HG8 1 REMARK SEQADV LINK REVDAT 5 18-OCT-17 2HG8 1 REMARK REVDAT 4 13-JUL-11 2HG8 1 VERSN REVDAT 3 24-FEB-09 2HG8 1 VERSN REVDAT 2 09-JAN-07 2HG8 1 JRNL REVDAT 1 24-OCT-06 2HG8 0 JRNL AUTH N.H.YENNAWAR,M.M.ISLAM,M.CONWAY,R.WALLIN,S.M.HUTSON JRNL TITL HUMAN MITOCHONDRIAL BRANCHED CHAIN AMINOTRANSFERASE ISOZYME: JRNL TITL 2 STRUCTURAL ROLE OF THE CXXC CENTER IN CATALYSIS. JRNL REF J.BIOL.CHEM. V. 281 39660 2006 JRNL REFN ISSN 0021-9258 JRNL PMID 17050531 JRNL DOI 10.1074/JBC.M607552200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.DAVOODI,P.M.DROWN,R.K.BLEDSOE,R.WALLIN,G.D.REINHART, REMARK 1 AUTH 2 S.M.HUTSON REMARK 1 TITL OVEREXPRESSION AND CHARACTERIZATION OF THE HUMAN REMARK 1 TITL 2 MITOCHONDRIAL AND CYTOSOLIC BRANCHED-CHAIN REMARK 1 TITL 3 AMINOTRANSFERASES. REMARK 1 REF J.BIOL.CHEM. V. 273 4982 1998 REMARK 1 REFN ISSN 0021-9258 REMARK 1 PMID 9478945 REMARK 1 DOI 10.1074/JBC.273.9.4982 REMARK 1 REFERENCE 2 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 PMID 9165094 REMARK 1 DOI 10.1016/S0167-4838(97)00044-7 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 64056 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.252 REMARK 3 FREE R VALUE : 0.282 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 3166 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 50 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1175 REMARK 3 BIN R VALUE (WORKING SET) : 0.3040 REMARK 3 BIN FREE R VALUE : 0.2940 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 54 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5740 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 54 REMARK 3 SOLVENT ATOMS : 337 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.03900 REMARK 3 B22 (A**2) : 4.50600 REMARK 3 B33 (A**2) : -5.54500 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.27400 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.578 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 23.07 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ACY+GLYC.PAR REMARK 3 PARAMETER FILE 4 : 1ML_PAR.TXT REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 DUE TO A FEATURE IN THE REFINEMENT PROGRAM, THE STRUCTURE REMARK 3 WAS REFINED WITH OXT ON ONE OR MORE RESIDUES THAT IS NOT REMARK 3 THE TERMINAL RESIDUE OF THE SEQUENCE. IN ALL THESE REMARK 3 INSTANCES THE OXT WAS CHANGED TO N OF THE NEXT RESIDUE. REMARK 4 REMARK 4 2HG8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUL-06. REMARK 100 THE DEPOSITION ID IS D_1000038312. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-DEC-02 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91609 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : SI(111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 64199 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.21400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG1500, HEPES, DTT, PH 7.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 294K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 54.63900 REMARK 290 SMTRY3 2 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 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: 6750 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 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 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 ALA A 1 REMARK 465 SER A 2 REMARK 465 TYR A 173 REMARK 465 PHE A 174 REMARK 465 PRO A 175 REMARK 465 GLY A 176 REMARK 465 GLY A 177 REMARK 465 SER A 178 REMARK 465 ALA B 501 REMARK 465 SER B 502 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 129 CG CD CE NZ REMARK 470 ALA A 172 CA C O CB REMARK 470 LYS B 629 CG CD CE NZ REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 VAL A 365 OXT 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 MET A 14 130.07 62.23 REMARK 500 LYS A 17 92.96 70.82 REMARK 500 PRO A 24 -166.52 -73.66 REMARK 500 LEU A 28 96.49 56.88 REMARK 500 ARG A 92 58.23 31.97 REMARK 500 ASP A 128 30.08 -99.82 REMARK 500 ASN A 149 33.91 -142.08 REMARK 500 PRO A 267 82.95 -69.65 REMARK 500 GLN A 316 -115.53 62.81 REMARK 500 PRO A 333 40.86 -70.93 REMARK 500 ASN B 544 -158.57 -147.54 REMARK 500 ARG B 592 50.90 38.71 REMARK 500 GLN B 816 -80.17 69.11 REMARK 500 PRO B 833 33.53 -76.22 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 70 0.07 SIDE CHAIN REMARK 500 TYR A 207 0.08 SIDE CHAIN REMARK 500 TYR B 707 0.07 SIDE CHAIN 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 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MLE A 1414 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MLE A 2414 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 1001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EKF RELATED DB: PDB REMARK 900 CRYSTALLOGRAPHIC STRUCTURE OF HUMAN BRANCHED CHAIN AMINO ACID REMARK 900 AMINOTRANSFERASE (MITOCHONDRIAL) COMPLEXED WITH PYRIDOXAL-5'- REMARK 900 PHOSPHATE AT 1.95 ANGSTROMS (ORTHORHOMBIC FORM) REMARK 900 RELATED ID: 1EKP RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN BRANCHED CHAIN AMINO ACID REMARK 900 AMINOTRANSFERASE (MITOCHONDRIAL) COMPLEXED WITH PYRIDOXAL- 5'- REMARK 900 PHOSPHATE AT 2.5 ANGSTROMS (MONOCLINIC FORM) REMARK 900 RELATED ID: 1EKV RELATED DB: PDB REMARK 900 HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE (MITOCHONDRIAL): REMARK 900 THREE DIMENSIONAL STRUCTURE OF ENZYME INACTIVATED BY TRIS BOUND TO REMARK 900 THE PYRIDOXAL-5'-PHOSPHATE ON ONE END AND ACTIVE SITE LYS202 NZ ON REMARK 900 THE OTHER. REMARK 900 RELATED ID: 1KTA RELATED DB: PDB REMARK 900 HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE: THREE DIMENSIONAL REMARK 900 STRUCTURE OF THE ENZYME IN ITS PYRIDOXAMINE PHOSPHATE FORM. REMARK 900 RELATED ID: 1KT8 RELATED DB: PDB REMARK 900 HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE (MITOCHONDRIAL): REMARK 900 THREE DIMENSIONAL STRUCTURE OF ENZYME IN ITS KETIMINE FORM WITH THE REMARK 900 SUBSTRATE L-ISOLEUCINE REMARK 900 RELATED ID: 2A1H RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF HUMAN MITOCHONDRIAL BRANCHED CHAIN REMARK 900 AMINOTRANSFERASE (BCATM) COMPLEXED WITH GABAPENTIN REMARK 900 RELATED ID: 2HDK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYS315ALA-CYS318ALA MUTANT OF HUMAN REMARK 900 MITOCHONDRIAL BRANCHED CHAIN AMINOTRANSFERASE REMARK 900 RELATED ID: 2HGW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYS318ALA MUTANT OF HUMAN MITOCHONDRIAL REMARK 900 BRANCHED CHAIN AMINOTRANSFERASE REMARK 900 RELATED ID: 2HGX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYS315ALA MUTANT OF HUMAN MITOCHONDRIAL REMARK 900 BRANCHED CHAIN AMINOTRANSFERASE REMARK 900 RELATED ID: 2HHF RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF OXIDIZED HUMAN MITOCHONDRIAL BRANCHED REMARK 900 CHAIN AMINOTRANSFERASE (HBCATM) DBREF 2HG8 A 1 365 UNP O15382 BCAT2_HUMAN 28 392 DBREF 2HG8 B 501 865 UNP O15382 BCAT2_HUMAN 28 392 SEQADV 2HG8 ARG A 159 UNP O15382 THR 186 CONFLICT SEQADV 2HG8 ALA A 315 UNP O15382 CYS 342 ENGINEERED MUTATION SEQADV 2HG8 ARG B 659 UNP O15382 THR 186 CONFLICT SEQADV 2HG8 ALA B 815 UNP O15382 CYS 342 ENGINEERED MUTATION 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 ALA 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 ALA 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 400 15 HET MLE A1414 10 HET MLE A2414 10 HET ACY A1001 4 HET PLP B 401 15 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM MLE N-METHYLLEUCINE HETNAM ACY ACETIC ACID HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 PLP 2(C8 H10 N O6 P) FORMUL 4 MLE 2(C7 H15 N O2) FORMUL 6 ACY C2 H4 O2 FORMUL 8 HOH *337(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 LEU A 203 GLY A 208 5 6 HELIX 7 7 PRO A 209 ARG A 220 1 12 HELIX 8 8 GLY A 268 GLY A 282 1 15 HELIX 9 9 THR A 292 GLU A 302 1 11 HELIX 10 10 THR A 334 GLY A 338 5 5 HELIX 11 11 PRO A 339 TYR A 354 1 16 HELIX 12 12 LYS B 506 LEU B 510 5 5 HELIX 13 13 SER B 565 TYR B 570 1 6 HELIX 14 14 ARG B 592 LEU B 607 1 16 HELIX 15 15 ASP B 613 ASP B 628 1 16 HELIX 16 16 LYS B 629 VAL B 632 5 4 HELIX 17 17 PHE B 674 SER B 678 5 5 HELIX 18 18 LEU B 703 GLY B 708 5 6 HELIX 19 19 PRO B 709 ARG B 720 1 12 HELIX 20 20 GLY B 768 GLY B 782 1 15 HELIX 21 21 THR B 792 GLU B 802 1 11 HELIX 22 22 PRO B 839 TYR B 854 1 16 SHEET 1 A 6 GLN A 11 LEU A 12 0 SHEET 2 A 6 ARG A 52 PRO A 55 1 O ILE A 53 N GLN A 11 SHEET 3 A 6 HIS A 37 ASN A 44 -1 N MET A 40 O ARG A 52 SHEET 4 A 6 ALA A 161 VAL A 170 -1 O LEU A 163 N VAL A 41 SHEET 5 A 6 SER A 139 GLY A 148 -1 N TYR A 141 O CYS A 168 SHEET 6 A 6 GLN A 73 PHE A 75 -1 N LEU A 74 O LEU A 146 SHEET 1 B 7 GLY A 47 TRP A 48 0 SHEET 2 B 7 HIS A 37 ASN A 44 -1 N ASN A 44 O GLY A 47 SHEET 3 B 7 ALA A 161 VAL A 170 -1 O LEU A 163 N VAL A 41 SHEET 4 B 7 SER A 139 GLY A 148 -1 N TYR A 141 O CYS A 168 SHEET 5 B 7 MET A 78 LYS A 82 -1 N MET A 78 O VAL A 142 SHEET 6 B 7 VAL A 88 PHE A 91 -1 O ARG A 89 N PHE A 81 SHEET 7 B 7 MET A 362 PRO A 364 -1 O PHE A 363 N LEU A 90 SHEET 1 C 2 LEU A 59 LEU A 61 0 SHEET 2 C 2 LEU B 559 LEU B 561 -1 O LEU B 559 N LEU A 61 SHEET 1 D 8 ARG A 285 GLU A 288 0 SHEET 2 D 8 LEU A 254 THR A 258 1 N LEU A 256 O VAL A 287 SHEET 3 D 8 MET A 241 THR A 248 -1 N TRP A 247 O GLU A 255 SHEET 4 D 8 GLN A 234 VAL A 238 -1 N VAL A 238 O MET A 241 SHEET 5 D 8 GLN A 224 TYR A 229 -1 N TYR A 229 O GLN A 234 SHEET 6 D 8 VAL A 182 ALA A 186 1 N LEU A 185 O LEU A 226 SHEET 7 D 8 GLN A 316 TYR A 325 1 O LEU A 324 N LEU A 184 SHEET 8 D 8 ARG A 328 HIS A 331 -1 O ARG A 328 N TYR A 325 SHEET 1 E 6 ARG A 285 GLU A 288 0 SHEET 2 E 6 LEU A 254 THR A 258 1 N LEU A 256 O VAL A 287 SHEET 3 E 6 MET A 241 THR A 248 -1 N TRP A 247 O GLU A 255 SHEET 4 E 6 VAL A 305 GLY A 312 -1 O GLU A 307 N TYR A 246 SHEET 5 E 6 GLN A 316 TYR A 325 -1 O CYS A 318 N GLY A 310 SHEET 6 E 6 ARG A 328 HIS A 331 -1 O ARG A 328 N TYR A 325 SHEET 1 F 6 GLN B 511 LEU B 512 0 SHEET 2 F 6 ARG B 552 PRO B 555 1 O ILE B 553 N GLN B 511 SHEET 3 F 6 HIS B 537 ASN B 544 -1 N MET B 538 O GLN B 554 SHEET 4 F 6 ALA B 661 VAL B 670 -1 O LEU B 663 N VAL B 541 SHEET 5 F 6 SER B 639 GLY B 648 -1 N TYR B 641 O CYS B 668 SHEET 6 F 6 GLN B 573 PHE B 575 -1 N LEU B 574 O LEU B 646 SHEET 1 G 7 GLY B 547 TRP B 548 0 SHEET 2 G 7 HIS B 537 ASN B 544 -1 N ASN B 544 O GLY B 547 SHEET 3 G 7 ALA B 661 VAL B 670 -1 O LEU B 663 N VAL B 541 SHEET 4 G 7 SER B 639 GLY B 648 -1 N TYR B 641 O CYS B 668 SHEET 5 G 7 MET B 578 LYS B 582 -1 N MET B 578 O VAL B 642 SHEET 6 G 7 VAL B 588 PHE B 591 -1 O ARG B 589 N PHE B 581 SHEET 7 G 7 MET B 862 PRO B 864 -1 O PHE B 863 N LEU B 590 SHEET 1 H 8 ARG B 785 GLU B 788 0 SHEET 2 H 8 LEU B 754 THR B 758 1 N LEU B 756 O VAL B 787 SHEET 3 H 8 MET B 741 THR B 748 -1 N TRP B 747 O GLU B 755 SHEET 4 H 8 GLN B 734 VAL B 738 -1 N VAL B 738 O MET B 741 SHEET 5 H 8 GLN B 724 TYR B 729 -1 N TYR B 729 O GLN B 734 SHEET 6 H 8 VAL B 682 ALA B 686 1 N LEU B 685 O LEU B 726 SHEET 7 H 8 GLN B 816 TYR B 825 1 O LEU B 824 N LEU B 684 SHEET 8 H 8 ARG B 828 HIS B 831 -1 O LEU B 830 N ILE B 823 SHEET 1 I 6 ARG B 785 GLU B 788 0 SHEET 2 I 6 LEU B 754 THR B 758 1 N LEU B 756 O VAL B 787 SHEET 3 I 6 MET B 741 THR B 748 -1 N TRP B 747 O GLU B 755 SHEET 4 I 6 VAL B 805 GLY B 812 -1 O GLU B 807 N TYR B 746 SHEET 5 I 6 GLN B 816 TYR B 825 -1 O GLN B 816 N GLY B 812 SHEET 6 I 6 ARG B 828 HIS B 831 -1 O LEU B 830 N ILE B 823 LINK NZ LYS A 202 C4A PLP A 400 1555 1555 1.38 LINK C4A PLP B 401 NZ LYS B 702 1555 1555 1.38 CISPEP 1 GLY A 338 PRO A 339 0 -0.10 CISPEP 2 GLY B 838 PRO B 839 0 -0.55 SITE 1 AC1 14 ARG A 99 ARG A 192 LYS A 202 TYR A 207 SITE 2 AC1 14 GLU A 237 THR A 240 ASN A 242 GLY A 268 SITE 3 AC1 14 VAL A 269 VAL A 270 THR A 313 HOH A2435 SITE 4 AC1 14 HOH A2445 HOH A2472 SITE 1 AC2 18 MLE A2414 HOH B 6 HOH B 11 HOH B 78 SITE 2 AC2 18 HOH B 83 ARG B 599 ARG B 692 LYS B 702 SITE 3 AC2 18 TYR B 707 GLU B 737 THR B 740 ASN B 742 SITE 4 AC2 18 LEU B 766 GLY B 768 VAL B 769 VAL B 770 SITE 5 AC2 18 GLY B 812 THR B 813 SITE 1 AC3 3 GLN A 224 MET A 241 ALA A 315 SITE 1 AC4 8 TYR A 70 LEU A 153 GLY A 154 VAL A 155 SITE 2 AC4 8 PLP B 401 PHE B 530 PHE B 575 ARG B 643 SITE 1 AC5 2 TYR A 201 HOH A2423 CRYST1 59.179 109.278 59.449 90.00 97.23 90.00 P 1 21 1 4 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 0.016898 0.000000 0.002144 0.00000 SCALE2 0.000000 0.009151 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016956 0.00000