HEADER TRANSFERASE 17-MAY-05 2COI TITLE CRYSTAL STRUCTURE OF OXIDIZED HUMAN CYTOSOLIC BRANCHED-CHAIN TITLE 2 AMINOTRANSFERASE COMPLEXED WITH GABAPENTIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BRANCHED CHAIN AMINOTRANSFERASE 1, CYTOSOLIC; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.6.1.42; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: 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; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PLP-DEPENDENT ENZYME, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.GOTO REVDAT 5 10-NOV-21 2COI 1 REMARK SEQADV LINK REVDAT 4 13-JUL-11 2COI 1 VERSN REVDAT 3 24-FEB-09 2COI 1 VERSN REVDAT 2 06-DEC-05 2COI 1 JRNL REVDAT 1 30-AUG-05 2COI 0 JRNL AUTH M.GOTO,I.MIYAHARA,K.HIROTSU,M.CONWAY,N.YENNAWAR,M.M.ISLAM, JRNL AUTH 2 S.M.HUTSON JRNL TITL STRUCTURAL DETERMINANTS FOR BRANCHED-CHAIN AMINOTRANSFERASE JRNL TITL 2 ISOZYME-SPECIFIC INHIBITION BY THE ANTICONVULSANT DRUG JRNL TITL 3 GABAPENTIN JRNL REF J.BIOL.CHEM. V. 280 37246 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 16141215 JRNL DOI 10.1074/JBC.M506486200 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.37 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2376154.980 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 63130 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) : 0.224 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 6386 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 9366 REMARK 3 BIN R VALUE (WORKING SET) : 0.3180 REMARK 3 BIN FREE R VALUE : 0.3290 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 1027 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5623 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 580 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -10.49000 REMARK 3 B22 (A**2) : 15.10000 REMARK 3 B33 (A**2) : -4.62000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.32 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.880 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) : 2.910 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.700 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 26.040; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 17.840; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 59.49 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_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CNS_LOCAL:PARAM.PLP REMARK 3 PARAMETER FILE 4 : CNS_LOCAL:PARAM.ETC REMARK 3 PARAMETER FILE 5 : GBP.PAR REMARK 3 PARAMETER FILE 6 : ION.PARAM REMARK 3 PARAMETER FILE 7 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : CNS_LOCAL:TOP.PLP REMARK 3 TOPOLOGY FILE 4 : CNS_LOCAL:TOP.ETC REMARK 3 TOPOLOGY FILE 5 : GBP.TOP REMARK 3 TOPOLOGY FILE 6 : ION.TOP REMARK 3 TOPOLOGY FILE 7 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2COI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 19-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1000024450. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JUN-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-18B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 63130 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 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 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 (%): 46.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, MAGNESIUM CHLORIDE, PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 33.36000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.15000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 53.84500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.15000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.36000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 53.84500 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 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: 6950 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25920 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -44.0 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 MET A 1 REMARK 465 LYS A 2 REMARK 465 ASP A 3 REMARK 465 CYS A 4 REMARK 465 SER A 5 REMARK 465 ASN A 6 REMARK 465 GLY A 7 REMARK 465 CYS A 8 REMARK 465 SER A 9 REMARK 465 ALA A 10 REMARK 465 GLU A 11 REMARK 465 CYS A 12 REMARK 465 THR A 13 REMARK 465 GLY A 14 REMARK 465 GLU A 15 REMARK 465 GLY A 16 REMARK 465 GLY A 17 REMARK 465 SER A 18 REMARK 465 LYS A 19 REMARK 465 GLU A 20 REMARK 465 VAL A 21 REMARK 465 ASN A 46 REMARK 465 PHE A 194 REMARK 465 SER A 195 REMARK 465 SER A 196 REMARK 465 GLY A 197 REMARK 465 THR A 198 REMARK 465 SER A 386 REMARK 465 MET B 1 REMARK 465 LYS B 2 REMARK 465 ASP B 3 REMARK 465 CYS B 4 REMARK 465 SER B 5 REMARK 465 ASN B 6 REMARK 465 GLY B 7 REMARK 465 CYS B 8 REMARK 465 SER B 9 REMARK 465 ALA B 10 REMARK 465 GLU B 11 REMARK 465 CYS B 12 REMARK 465 THR B 13 REMARK 465 GLY B 14 REMARK 465 GLU B 15 REMARK 465 GLY B 16 REMARK 465 GLY B 17 REMARK 465 SER B 18 REMARK 465 LYS B 19 REMARK 465 GLU B 20 REMARK 465 VAL B 21 REMARK 465 VAL B 22 REMARK 465 GLY B 23 REMARK 465 ASN B 45 REMARK 465 PHE B 194 REMARK 465 SER B 195 REMARK 465 SER B 196 REMARK 465 GLY B 197 REMARK 465 THR B 198 REMARK 465 SER B 386 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 28 CG CD CE NZ REMARK 470 GLU A 40 CG CD OE1 OE2 REMARK 470 ASN A 45 CG OD1 ND2 REMARK 470 ARG A 122 CG CD NE CZ NH1 NH2 REMARK 470 ASN A 200 CG OD1 ND2 REMARK 470 LYS A 209 CG CD CE NZ REMARK 470 LYS A 360 CG CD CE NZ REMARK 470 LYS B 28 CG CD CE NZ REMARK 470 GLN B 77 CG CD OE1 NE2 REMARK 470 GLU B 378 CG CD OE1 OE2 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 PHE A 49 133.17 -37.86 REMARK 500 THR A 54 -169.97 -67.74 REMARK 500 PRO A 153 124.57 -39.65 REMARK 500 SER A 155 -154.67 -145.52 REMARK 500 THR A 156 -4.42 -152.58 REMARK 500 PRO A 192 -135.38 -82.12 REMARK 500 ASN A 200 73.05 -178.06 REMARK 500 PRO A 201 144.04 -37.98 REMARK 500 PRO A 208 -9.03 -59.47 REMARK 500 THR A 260 50.57 -112.57 REMARK 500 ASN A 269 -172.28 -67.27 REMARK 500 GLU A 321 41.41 -76.05 REMARK 500 VAL A 336 -70.31 83.06 REMARK 500 GLU A 348 128.83 179.44 REMARK 500 PRO A 353 13.91 -67.07 REMARK 500 ASN A 357 31.79 -143.64 REMARK 500 GLU A 377 129.08 -179.87 REMARK 500 ARG A 379 145.45 177.94 REMARK 500 ASP B 148 30.97 -97.27 REMARK 500 PRO B 192 -151.39 -89.55 REMARK 500 THR B 260 47.22 -99.39 REMARK 500 TYR B 345 -88.54 -110.97 REMARK 500 LYS B 346 59.28 -101.09 REMARK 500 PRO B 353 26.60 -71.10 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 B 227 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B1430 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 133 OD1 REMARK 620 2 HOH B1477 O 86.4 REMARK 620 3 HOH B1745 O 99.9 105.4 REMARK 620 4 HOH B1746 O 80.3 146.6 107.0 REMARK 620 5 HOH B1747 O 70.3 79.6 168.9 67.1 REMARK 620 6 HOH B1748 O 151.2 88.7 108.7 88.6 81.0 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 1430 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GBN A 420 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GBN B 420 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2COG RELATED DB: PDB REMARK 900 OXIDIZED CYTOSOLIC BRANCHED-CHAIN AMINOTRANSFERASE COMPLEXED WITH 4- REMARK 900 METHYLVALERATE REMARK 900 RELATED ID: 2COJ RELATED DB: PDB REMARK 900 REDUCED CYTOSOLIC BRANCHED-CHAIN AMINOTRANSFERASE COMPLEXED WITH REMARK 900 GABAPENTIN DBREF 2COI A 1 386 UNP P54687 BCAT1_HUMAN 1 386 DBREF 2COI B 1 386 UNP P54687 BCAT1_HUMAN 1 386 SEQADV 2COI ARG A 379 UNP P54687 SER 379 ENGINEERED MUTATION SEQADV 2COI ARG B 379 UNP P54687 SER 379 ENGINEERED MUTATION SEQRES 1 A 386 MET LYS ASP CYS SER ASN GLY CYS SER ALA GLU CYS THR SEQRES 2 A 386 GLY GLU GLY GLY SER LYS GLU VAL VAL GLY THR PHE LYS SEQRES 3 A 386 ALA LYS ASP LEU ILE VAL THR PRO ALA THR ILE LEU LYS SEQRES 4 A 386 GLU LYS PRO ASP PRO ASN ASN LEU VAL PHE GLY THR VAL SEQRES 5 A 386 PHE THR ASP HIS MET LEU THR VAL GLU TRP SER SER GLU SEQRES 6 A 386 PHE GLY TRP GLU LYS PRO HIS ILE LYS PRO LEU GLN ASN SEQRES 7 A 386 LEU SER LEU HIS PRO GLY SER SER ALA LEU HIS TYR ALA SEQRES 8 A 386 VAL GLU LEU PHE GLU GLY LEU LYS ALA PHE ARG GLY VAL SEQRES 9 A 386 ASP ASN LYS ILE ARG LEU PHE GLN PRO ASN LEU ASN MET SEQRES 10 A 386 ASP ARG MET TYR ARG SER ALA VAL ARG ALA THR LEU PRO SEQRES 11 A 386 VAL PHE ASP LYS GLU GLU LEU LEU GLU CYS ILE GLN GLN SEQRES 12 A 386 LEU VAL LYS LEU ASP GLN GLU TRP VAL PRO TYR SER THR SEQRES 13 A 386 SER ALA SER LEU TYR ILE ARG PRO THR PHE ILE GLY THR SEQRES 14 A 386 GLU PRO SER LEU GLY VAL LYS LYS PRO THR LYS ALA LEU SEQRES 15 A 386 LEU PHE VAL LEU LEU SER PRO VAL GLY PRO TYR PHE SER SEQRES 16 A 386 SER GLY THR PHE ASN PRO VAL SER LEU TRP ALA ASN PRO SEQRES 17 A 386 LYS TYR VAL ARG ALA TRP LYS GLY GLY THR GLY ASP CYS SEQRES 18 A 386 LYS MET GLY GLY ASN TYR GLY SER SER LEU PHE ALA GLN SEQRES 19 A 386 CYS GLU ALA VAL ASP ASN GLY CYS GLN GLN VAL LEU TRP SEQRES 20 A 386 LEU TYR GLY GLU ASP HIS GLN ILE THR GLU VAL GLY THR SEQRES 21 A 386 MET ASN LEU PHE LEU TYR TRP ILE ASN GLU ASP GLY GLU SEQRES 22 A 386 GLU GLU LEU ALA THR PRO PRO LEU ASP GLY ILE ILE LEU SEQRES 23 A 386 PRO GLY VAL THR ARG ARG CYS ILE LEU ASP LEU ALA HIS SEQRES 24 A 386 GLN TRP GLY GLU PHE LYS VAL SER GLU ARG TYR LEU THR SEQRES 25 A 386 MET ASP ASP LEU THR THR ALA LEU GLU GLY ASN ARG VAL SEQRES 26 A 386 ARG GLU MET PHE GLY SER GLY THR ALA CYS VAL VAL CYS SEQRES 27 A 386 PRO VAL SER ASP ILE LEU TYR LYS GLY GLU THR ILE HIS SEQRES 28 A 386 ILE PRO THR MET GLU ASN GLY PRO LYS LEU ALA SER ARG SEQRES 29 A 386 ILE LEU SER LYS LEU THR ASP ILE GLN TYR GLY ARG GLU SEQRES 30 A 386 GLU ARG ASP TRP THR ILE VAL LEU SER SEQRES 1 B 386 MET LYS ASP CYS SER ASN GLY CYS SER ALA GLU CYS THR SEQRES 2 B 386 GLY GLU GLY GLY SER LYS GLU VAL VAL GLY THR PHE LYS SEQRES 3 B 386 ALA LYS ASP LEU ILE VAL THR PRO ALA THR ILE LEU LYS SEQRES 4 B 386 GLU LYS PRO ASP PRO ASN ASN LEU VAL PHE GLY THR VAL SEQRES 5 B 386 PHE THR ASP HIS MET LEU THR VAL GLU TRP SER SER GLU SEQRES 6 B 386 PHE GLY TRP GLU LYS PRO HIS ILE LYS PRO LEU GLN ASN SEQRES 7 B 386 LEU SER LEU HIS PRO GLY SER SER ALA LEU HIS TYR ALA SEQRES 8 B 386 VAL GLU LEU PHE GLU GLY LEU LYS ALA PHE ARG GLY VAL SEQRES 9 B 386 ASP ASN LYS ILE ARG LEU PHE GLN PRO ASN LEU ASN MET SEQRES 10 B 386 ASP ARG MET TYR ARG SER ALA VAL ARG ALA THR LEU PRO SEQRES 11 B 386 VAL PHE ASP LYS GLU GLU LEU LEU GLU CYS ILE GLN GLN SEQRES 12 B 386 LEU VAL LYS LEU ASP GLN GLU TRP VAL PRO TYR SER THR SEQRES 13 B 386 SER ALA SER LEU TYR ILE ARG PRO THR PHE ILE GLY THR SEQRES 14 B 386 GLU PRO SER LEU GLY VAL LYS LYS PRO THR LYS ALA LEU SEQRES 15 B 386 LEU PHE VAL LEU LEU SER PRO VAL GLY PRO TYR PHE SER SEQRES 16 B 386 SER GLY THR PHE ASN PRO VAL SER LEU TRP ALA ASN PRO SEQRES 17 B 386 LYS TYR VAL ARG ALA TRP LYS GLY GLY THR GLY ASP CYS SEQRES 18 B 386 LYS MET GLY GLY ASN TYR GLY SER SER LEU PHE ALA GLN SEQRES 19 B 386 CYS GLU ALA VAL ASP ASN GLY CYS GLN GLN VAL LEU TRP SEQRES 20 B 386 LEU TYR GLY GLU ASP HIS GLN ILE THR GLU VAL GLY THR SEQRES 21 B 386 MET ASN LEU PHE LEU TYR TRP ILE ASN GLU ASP GLY GLU SEQRES 22 B 386 GLU GLU LEU ALA THR PRO PRO LEU ASP GLY ILE ILE LEU SEQRES 23 B 386 PRO GLY VAL THR ARG ARG CYS ILE LEU ASP LEU ALA HIS SEQRES 24 B 386 GLN TRP GLY GLU PHE LYS VAL SER GLU ARG TYR LEU THR SEQRES 25 B 386 MET ASP ASP LEU THR THR ALA LEU GLU GLY ASN ARG VAL SEQRES 26 B 386 ARG GLU MET PHE GLY SER GLY THR ALA CYS VAL VAL CYS SEQRES 27 B 386 PRO VAL SER ASP ILE LEU TYR LYS GLY GLU THR ILE HIS SEQRES 28 B 386 ILE PRO THR MET GLU ASN GLY PRO LYS LEU ALA SER ARG SEQRES 29 B 386 ILE LEU SER LYS LEU THR ASP ILE GLN TYR GLY ARG GLU SEQRES 30 B 386 GLU ARG ASP TRP THR ILE VAL LEU SER HET PLP A 410 15 HET GBN A 420 12 HET MG B1430 1 HET PLP B 410 15 HET GBN B 420 12 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM GBN [1-(AMINOMETHYL)CYCLOHEXYL]ACETIC ACID HETNAM MG MAGNESIUM ION HETSYN PLP VITAMIN B6 PHOSPHATE HETSYN GBN GABAPENTIN FORMUL 3 PLP 2(C8 H10 N O6 P) FORMUL 4 GBN 2(C9 H17 N O2) FORMUL 5 MG MG 2+ FORMUL 8 HOH *580(H2 O) HELIX 1 1 LYS A 26 LEU A 30 5 5 HELIX 2 2 SER A 85 TYR A 90 1 6 HELIX 3 3 GLN A 112 ALA A 127 1 16 HELIX 4 4 ASP A 133 ASP A 148 1 16 HELIX 5 5 GLN A 149 VAL A 152 5 4 HELIX 6 6 GLY A 224 SER A 229 1 6 HELIX 7 7 SER A 230 ASP A 239 1 10 HELIX 8 8 GLY A 288 GLY A 302 1 15 HELIX 9 9 THR A 312 GLU A 321 1 10 HELIX 10 10 PRO A 353 GLY A 358 5 6 HELIX 11 11 PRO A 359 TYR A 374 1 16 HELIX 12 12 LYS B 26 LEU B 30 5 5 HELIX 13 13 SER B 85 TYR B 90 1 6 HELIX 14 14 GLN B 112 THR B 128 1 17 HELIX 15 15 ASP B 133 ASP B 148 1 16 HELIX 16 16 GLN B 149 VAL B 152 5 4 HELIX 17 17 GLY B 224 SER B 229 1 6 HELIX 18 18 SER B 230 ASP B 239 1 10 HELIX 19 19 GLY B 288 GLY B 302 1 15 HELIX 20 20 THR B 312 GLY B 322 1 11 HELIX 21 21 THR B 354 GLY B 358 5 5 HELIX 22 22 PRO B 359 TYR B 374 1 16 SHEET 1 A 6 ILE A 31 VAL A 32 0 SHEET 2 A 6 HIS A 72 PRO A 75 1 O ILE A 73 N ILE A 31 SHEET 3 A 6 HIS A 56 SER A 63 -1 N MET A 57 O LYS A 74 SHEET 4 A 6 LYS A 180 VAL A 190 -1 O LEU A 183 N VAL A 60 SHEET 5 A 6 SER A 159 GLY A 168 -1 N TYR A 161 O SER A 188 SHEET 6 A 6 GLU A 93 PHE A 95 -1 N LEU A 94 O PHE A 166 SHEET 1 B 7 GLY A 67 TRP A 68 0 SHEET 2 B 7 HIS A 56 SER A 63 -1 N SER A 63 O GLY A 67 SHEET 3 B 7 LYS A 180 VAL A 190 -1 O LEU A 183 N VAL A 60 SHEET 4 B 7 SER A 159 GLY A 168 -1 N TYR A 161 O SER A 188 SHEET 5 B 7 LEU A 98 ARG A 102 -1 N LEU A 98 O ILE A 162 SHEET 6 B 7 ILE A 108 PHE A 111 -1 O ARG A 109 N PHE A 101 SHEET 7 B 7 THR A 382 VAL A 384 -1 O ILE A 383 N LEU A 110 SHEET 1 C 2 LEU A 79 LEU A 81 0 SHEET 2 C 2 LEU B 79 LEU B 81 -1 O LEU B 79 N LEU A 81 SHEET 1 D 8 LYS A 305 GLU A 308 0 SHEET 2 D 8 GLU A 274 THR A 278 1 N LEU A 276 O LYS A 305 SHEET 3 D 8 MET A 261 ILE A 268 -1 N TRP A 267 O GLU A 275 SHEET 4 D 8 GLN A 254 VAL A 258 -1 N VAL A 258 O MET A 261 SHEET 5 D 8 GLN A 244 TYR A 249 -1 N TYR A 249 O GLN A 254 SHEET 6 D 8 VAL A 202 ALA A 206 1 N TRP A 205 O LEU A 246 SHEET 7 D 8 VAL A 336 TYR A 345 1 O LEU A 344 N LEU A 204 SHEET 8 D 8 THR A 349 HIS A 351 -1 O ILE A 350 N ILE A 343 SHEET 1 E 6 LYS A 305 GLU A 308 0 SHEET 2 E 6 GLU A 274 THR A 278 1 N LEU A 276 O LYS A 305 SHEET 3 E 6 MET A 261 ILE A 268 -1 N TRP A 267 O GLU A 275 SHEET 4 E 6 VAL A 325 GLY A 332 -1 O PHE A 329 N PHE A 264 SHEET 5 E 6 VAL A 336 TYR A 345 -1 O CYS A 338 N GLY A 330 SHEET 6 E 6 THR A 349 HIS A 351 -1 O ILE A 350 N ILE A 343 SHEET 1 F 6 ILE B 31 VAL B 32 0 SHEET 2 F 6 HIS B 72 PRO B 75 1 O ILE B 73 N ILE B 31 SHEET 3 F 6 HIS B 56 SER B 63 -1 N MET B 57 O LYS B 74 SHEET 4 F 6 LYS B 180 VAL B 190 -1 O LEU B 183 N VAL B 60 SHEET 5 F 6 SER B 159 GLY B 168 -1 N THR B 165 O PHE B 184 SHEET 6 F 6 GLU B 93 PHE B 95 -1 N LEU B 94 O PHE B 166 SHEET 1 G 7 GLY B 67 TRP B 68 0 SHEET 2 G 7 HIS B 56 SER B 63 -1 N SER B 63 O GLY B 67 SHEET 3 G 7 LYS B 180 VAL B 190 -1 O LEU B 183 N VAL B 60 SHEET 4 G 7 SER B 159 GLY B 168 -1 N THR B 165 O PHE B 184 SHEET 5 G 7 LEU B 98 ARG B 102 -1 N LEU B 98 O ILE B 162 SHEET 6 G 7 ILE B 108 PHE B 111 -1 O ARG B 109 N PHE B 101 SHEET 7 G 7 THR B 382 VAL B 384 -1 O ILE B 383 N LEU B 110 SHEET 1 H 8 LYS B 305 GLU B 308 0 SHEET 2 H 8 GLU B 274 THR B 278 1 N LEU B 276 O SER B 307 SHEET 3 H 8 MET B 261 ILE B 268 -1 N LEU B 265 O ALA B 277 SHEET 4 H 8 GLN B 254 VAL B 258 -1 N VAL B 258 O MET B 261 SHEET 5 H 8 GLN B 244 TYR B 249 -1 N TYR B 249 O GLN B 254 SHEET 6 H 8 VAL B 202 TRP B 205 1 N TRP B 205 O GLN B 244 SHEET 7 H 8 CYS B 338 LEU B 344 1 O ASP B 342 N LEU B 204 SHEET 8 H 8 THR B 349 HIS B 351 -1 O ILE B 350 N ILE B 343 SHEET 1 I 6 LYS B 305 GLU B 308 0 SHEET 2 I 6 GLU B 274 THR B 278 1 N LEU B 276 O SER B 307 SHEET 3 I 6 MET B 261 ILE B 268 -1 N LEU B 265 O ALA B 277 SHEET 4 I 6 VAL B 325 SER B 331 -1 O GLU B 327 N TYR B 266 SHEET 5 I 6 CYS B 338 LEU B 344 -1 O VAL B 340 N MET B 328 SHEET 6 I 6 THR B 349 HIS B 351 -1 O ILE B 350 N ILE B 343 SSBOND 1 CYS A 335 CYS A 338 1555 1555 2.03 SSBOND 2 CYS B 335 CYS B 338 1555 1555 2.04 LINK NZ LYS A 222 C4A PLP A 410 1555 1555 1.36 LINK NZ LYS B 222 C4A PLP B 410 1555 1555 1.37 LINK OD1 ASP B 133 MG MG B1430 1555 1555 2.25 LINK MG MG B1430 O HOH B1477 1555 1555 2.44 LINK MG MG B1430 O HOH B1745 1555 1555 2.33 LINK MG MG B1430 O HOH B1746 1555 1555 2.30 LINK MG MG B1430 O HOH B1747 1555 1555 2.53 LINK MG MG B1430 O HOH B1748 1555 1555 2.36 CISPEP 1 GLY A 358 PRO A 359 0 -0.01 CISPEP 2 GLY B 358 PRO B 359 0 -0.27 SITE 1 AC1 6 ASP B 133 HOH B1477 HOH B1745 HOH B1746 SITE 2 AC1 6 HOH B1747 HOH B1748 SITE 1 AC2 14 ARG A 119 ARG A 212 LYS A 222 TYR A 227 SITE 2 AC2 14 GLU A 257 THR A 260 LEU A 286 GLY A 288 SITE 3 AC2 14 VAL A 289 THR A 290 THR A 333 HOH A 430 SITE 4 AC2 14 HOH A 461 HOH A 575 SITE 1 AC3 16 ARG B 119 ARG B 212 LYS B 222 TYR B 227 SITE 2 AC3 16 GLU B 257 THR B 260 ASN B 262 LEU B 286 SITE 3 AC3 16 GLY B 288 VAL B 289 THR B 290 GLY B 332 SITE 4 AC3 16 THR B 333 HOH B1442 HOH B1445 HOH B1449 SITE 1 AC4 12 TYR A 161 ARG A 163 TYR A 193 THR A 260 SITE 2 AC4 12 GLY A 332 THR A 333 ALA A 334 HOH A 508 SITE 3 AC4 12 HOH A 555 HOH A 560 TYR B 90 VAL B 175 SITE 1 AC5 11 TYR A 90 VAL A 175 TYR B 161 ARG B 163 SITE 2 AC5 11 TYR B 193 THR B 260 MET B 261 GLY B 332 SITE 3 AC5 11 THR B 333 ALA B 334 HOH B1455 CRYST1 66.720 107.690 110.300 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 0.014988 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009286 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009066 0.00000