PDB Short entry for 2A1H HEADER TRANSFERASE 20-JUN-05 2A1H TITLE X-RAY CRYSTAL STRUCTURE OF HUMAN MITOCHONDRIAL BRANCHED CHAIN TITLE 2 AMINOTRANSFERASE (BCATM) COMPLEXED WITH GABAPENTIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BRANCHED CHAIN AMINOTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.6.1.42; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MITOCHONDRIAL BCAT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-28A KEYWDS FOLD TYPE IV, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.GOTO,I.MIYAHARA,K.HIROTSU,M.CONWAY,N.YENNAWAR,M.M.ISLAM,S.M.HUTSON REVDAT 5 11-OCT-17 2A1H 1 REMARK REVDAT 4 13-JUL-11 2A1H 1 VERSN REVDAT 3 16-MAR-10 2A1H 1 JRNL REVDAT 2 24-FEB-09 2A1H 1 VERSN REVDAT 1 06-SEP-05 2A1H 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. 1.80 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) (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 68169 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) : 0.208 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3435 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 5790 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 58 REMARK 3 SOLVENT ATOMS : 341 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.26 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.87500 REMARK 3 B22 (A**2) : -0.56000 REMARK 3 B33 (A**2) : -0.31500 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.70100 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL 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 : 21.47 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 : GABAPENTIN.PAR 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: NULL REMARK 4 REMARK 4 2A1H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUN-05. REMARK 100 THE DEPOSITION ID IS D_1000033373. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-02 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 : 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) : 1.071 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : MIRRORS 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 : 68210 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL 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 (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.34700 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: 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 (%): 46.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 1500, PH 7.0, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298.0K 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 54.68450 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: 6820 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 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 ALA B 1 REMARK 465 SER B 2 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 LYS B 129 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ARG A 92 55.63 33.85 REMARK 500 ASN A 149 34.19 -140.70 REMARK 500 PRO A 175 94.67 -56.98 REMARK 500 PRO A 267 85.27 -69.42 REMARK 500 GLN A 316 -77.89 70.04 REMARK 500 PRO A 333 27.96 -69.06 REMARK 500 ASN B 44 -153.51 -147.42 REMARK 500 ARG B 92 51.15 36.05 REMARK 500 PRO B 151 46.85 -79.13 REMARK 500 PRO B 267 84.22 -69.20 REMARK 500 GLN B 316 -80.48 77.66 REMARK 500 GLN B 316 -80.48 83.92 REMARK 500 PRO B 333 30.45 -73.64 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 0.08 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 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GBN B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GBN A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 1001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EKF RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITHOUT SUBSTRATE OR INHIBITOR - ORTHORHOMBIC FORM. REMARK 900 RELATED ID: 1EKP RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITHOUT SUBSTRATE OR INHIBITOR - MONOCLINIC FORM. REMARK 900 RELATED ID: 1EKV RELATED DB: PDB REMARK 900 SAME PROTEIN INACTIVATED BY TRIS. REMARK 900 RELATED ID: 1KT8 RELATED DB: PDB REMARK 900 SAME PROTEIN IN ITS KETIMINE FORM WITH SUBSTRATE, ISOLEUCINE. REMARK 900 RELATED ID: 1KTA RELATED DB: PDB REMARK 900 SAME PROTEIN WITH ITS COFACTOR IN THE PYRIDOXAMINE FORM. COFACTOR DBREF 2A1H A 1 365 UNP O15382 BCAT2_HUMAN 28 392 DBREF 2A1H 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 400 15 HET GBN A 502 12 HET PLP B 400 15 HET GBN B 501 12 HET ACY B1001 4 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM GBN [1-(AMINOMETHYL)CYCLOHEXYL]ACETIC ACID HETNAM ACY ACETIC ACID 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 7 ACY C2 H4 O2 FORMUL 8 HOH *341(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 6 LEU B 10 5 5 HELIX 13 13 SER B 65 TYR B 70 1 6 HELIX 14 14 ARG B 92 LEU B 107 1 16 HELIX 15 15 ASP B 113 ASP B 128 1 16 HELIX 16 16 LYS B 129 VAL B 132 5 4 HELIX 17 17 LEU B 203 GLY B 208 5 6 HELIX 18 18 PRO B 209 ARG B 220 1 12 HELIX 19 19 GLY B 268 GLY B 282 1 15 HELIX 20 20 THR B 292 GLU B 302 1 11 HELIX 21 21 PRO B 339 TYR B 354 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 38 O GLN A 54 SHEET 4 A 6 ARG A 160 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 ARG A 160 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 59 LEU B 61 -1 O LEU B 59 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 11 LEU B 12 0 SHEET 2 F 6 ARG B 52 PRO B 55 1 O ILE B 53 N GLN B 11 SHEET 3 F 6 HIS B 37 ASN B 44 -1 N MET B 40 O ARG B 52 SHEET 4 F 6 ALA B 161 VAL B 170 -1 O LEU B 163 N VAL B 41 SHEET 5 F 6 SER B 139 GLY B 148 -1 N TYR B 141 O CYS B 168 SHEET 6 F 6 GLN B 73 PHE B 75 -1 N LEU B 74 O LEU B 146 SHEET 1 G 7 GLY B 47 TRP B 48 0 SHEET 2 G 7 HIS B 37 ASN B 44 -1 N ASN B 44 O GLY B 47 SHEET 3 G 7 ALA B 161 VAL B 170 -1 O LEU B 163 N VAL B 41 SHEET 4 G 7 SER B 139 GLY B 148 -1 N TYR B 141 O CYS B 168 SHEET 5 G 7 MET B 78 LYS B 82 -1 N MET B 78 O VAL B 142 SHEET 6 G 7 VAL B 88 PHE B 91 -1 O ARG B 89 N PHE B 81 SHEET 7 G 7 MET B 362 PRO B 364 -1 O PHE B 363 N LEU B 90 SHEET 1 H 8 ARG B 285 GLU B 288 0 SHEET 2 H 8 LEU B 254 THR B 258 1 N LEU B 256 O VAL B 287 SHEET 3 H 8 MET B 241 THR B 248 -1 N TRP B 247 O GLU B 255 SHEET 4 H 8 GLN B 234 VAL B 238 -1 N VAL B 238 O MET B 241 SHEET 5 H 8 GLN B 224 TYR B 229 -1 N TYR B 229 O GLN B 234 SHEET 6 H 8 VAL B 182 ALA B 186 1 N LEU B 185 O LEU B 226 SHEET 7 H 8 GLN B 316 TYR B 325 1 O LEU B 324 N LEU B 184 SHEET 8 H 8 ARG B 328 HIS B 331 -1 O LEU B 330 N ILE B 323 SHEET 1 I 6 ARG B 285 GLU B 288 0 SHEET 2 I 6 LEU B 254 THR B 258 1 N LEU B 256 O VAL B 287 SHEET 3 I 6 MET B 241 THR B 248 -1 N TRP B 247 O GLU B 255 SHEET 4 I 6 VAL B 305 GLY B 312 -1 O GLU B 307 N TYR B 246 SHEET 5 I 6 GLN B 316 TYR B 325 -1 O GLN B 316 N GLY B 312 SHEET 6 I 6 ARG B 328 HIS B 331 -1 O LEU B 330 N ILE B 323 LINK NZ LYS A 202 C4A PLP A 400 1555 1555 1.38 LINK NZ LYS B 202 C4A PLP B 400 1555 1555 1.38 CISPEP 1 GLY A 338 PRO A 339 0 -0.33 CISPEP 2 GLY B 338 PRO B 339 0 -0.06 SITE 1 AC1 16 ARG A 99 ARG A 192 LYS A 202 TYR A 207 SITE 2 AC1 16 GLU A 237 THR A 240 ASN A 242 GLY A 268 SITE 3 AC1 16 VAL A 269 VAL A 270 GLY A 312 THR A 313 SITE 4 AC1 16 GBN A 502 HOH A 513 HOH A 525 HOH A 533 SITE 1 AC2 16 ARG B 99 ARG B 192 LYS B 202 TYR B 207 SITE 2 AC2 16 GLU B 237 THR B 240 ASN B 242 GLY B 268 SITE 3 AC2 16 VAL B 269 VAL B 270 GLY B 312 THR B 313 SITE 4 AC2 16 GBN B 501 HOH B1005 HOH B1009 HOH B1024 SITE 1 AC3 10 TYR A 70 VAL A 155 TYR B 141 ARG B 143 SITE 2 AC3 10 THR B 240 GLY B 312 THR B 313 ALA B 314 SITE 3 AC3 10 PLP B 400 HOH B1096 SITE 1 AC4 10 TYR A 141 ARG A 143 THR A 240 GLY A 312 SITE 2 AC4 10 THR A 313 ALA A 314 PLP A 400 HOH A 544 SITE 3 AC4 10 TYR B 70 VAL B 155 SITE 1 AC5 3 LEU B 59 THR B 60 HOH B1170 CRYST1 58.823 109.369 59.252 90.00 96.73 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 0.017000 0.000000 0.002006 0.00000 SCALE2 0.000000 0.009143 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016994 0.00000