HEADER TRANSFERASE 13-DEC-98 5DAA TITLE E177K MUTANT OF D-AMINO ACID AMINOTRANSFERASE COMPLEXED WITH TITLE 2 PYRIDOXAMINE-5'-PHOSPHATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: D-AMINO ACID AMINOTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: D-ALANINE AMINOTRANSFERASE, D-ASPARTATE AMINOTRANSFERASE, D- COMPND 5 AMINO ACID TRANSAMINASE; COMPND 6 EC: 2.6.1.21; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SP.; SOURCE 3 ORGANISM_TAXID: 72579; SOURCE 4 STRAIN: YM-1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS AMINOTRANSFERASE, PYRIDOXAL PHOSPHATE, TRANSAMINASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.PEISACH,D.RINGE REVDAT 8 20-SEP-23 5DAA 1 REMARK SEQADV LINK REVDAT 7 13-JUL-11 5DAA 1 VERSN REVDAT 6 24-FEB-09 5DAA 1 VERSN REVDAT 5 01-APR-03 5DAA 1 JRNL REVDAT 4 06-JAN-00 5DAA 1 REVDAT REVDAT 3 29-DEC-99 5DAA 4 HEADER COMPND REMARK JRNL REVDAT 3 2 4 ATOM SOURCE SEQRES REVDAT 2 16-MAR-99 5DAA 1 REMARK JRNL REVDAT 1 14-DEC-98 5DAA 0 JRNL AUTH P.W.VAN OPHEM,D.PEISACH,S.D.ERICKSON,K.SODA,D.RINGE, JRNL AUTH 2 J.M.MANNING JRNL TITL EFFECTS OF THE E177K MUTATION IN D-AMINO ACID TRANSAMINASE. JRNL TITL 2 STUDIES ON AN ESSENTIAL COENZYME ANCHORING GROUP THAT JRNL TITL 3 CONTRIBUTES TO STEREOCHEMICAL FIDELITY. JRNL REF BIOCHEMISTRY V. 38 1323 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 9930994 JRNL DOI 10.1021/BI982414Z REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.SUGIO,G.A.PETSKO,J.M.MANNING,K.SODA,D.RINGE REMARK 1 TITL CRYSTAL STRUCTURE OF A D-AMINO ACID AMINOTRANSFERASE: HOW REMARK 1 TITL 2 THE PROTEIN CONTROLS STEREOSELECTIVITY REMARK 1 REF BIOCHEMISTRY V. 34 9661 1995 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.5 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) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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) (%) : 85.9 REMARK 3 NUMBER OF REFLECTIONS : 36837 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) : 0.195 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3013 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.08 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2038 REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE : 0.3430 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 232 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.023 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4466 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 3 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.41 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) : 0.41 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.51 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.180 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 28.12 REMARK 3 REMARK 3 NCS MODEL : RESTRAINTS REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : 2 ; 50 REMARK 3 GROUP 1 B-FACTOR (A**2) : 2 ; 50 REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : PLP.PAR REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : PLP.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: USED SOLVENT MASK DURING REFINEMENT REMARK 4 REMARK 4 5DAA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000000269. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 278 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : FLAT CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38415 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 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 (%) : 93.1 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.14400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.33700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.900 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: PDB ENTRY 1DAA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PDA INACTIVATED PROTEIN WAS REMARK 280 CONCENTRATED TO 30 MG/ML IN 0.1 M POTASSIUM PHOSPHATE BUFFER PH REMARK 280 7.6 CONTAINING 50 UM PLP AND 0.001 BETA-MERCAPTOETHANOL. REMARK 280 CRYSTALS WERE THEN GROWN BY THE HANGING DROP METHOD IN 27% PEG REMARK 280 4000, 0.4 M SODIUM ACETATE, AND 0.1 M TRIS-CHLORIDE PH 8.5., REMARK 280 VAPOR DIFFUSION - HANGING DROP, VAPOR DIFFUSION, HANGING DROP 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 38.92500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 44.69000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 45.93500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 44.69000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.92500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 45.93500 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5530 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22620 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: 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 6 -94.93 63.76 REMARK 500 THR A 43 49.74 38.75 REMARK 500 ASN A 83 -79.69 -89.73 REMARK 500 PRO A 103 -146.59 -81.00 REMARK 500 ASN A 172 40.26 71.91 REMARK 500 SER A 180 45.86 -145.62 REMARK 500 SER A 240 161.43 178.40 REMARK 500 GLU A 244 -115.34 54.34 REMARK 500 ARG A 257 -112.24 73.06 REMARK 500 ASN B 6 -103.61 65.95 REMARK 500 ASN B 83 -74.33 -94.95 REMARK 500 ALA B 99 139.89 -171.39 REMARK 500 ASN B 105 -12.62 -44.86 REMARK 500 LEU B 140 34.29 -92.41 REMARK 500 ARG B 141 50.66 -143.15 REMARK 500 THR B 193 137.79 -171.47 REMARK 500 SER B 240 147.48 -170.68 REMARK 500 GLU B 244 -121.62 61.49 REMARK 500 ARG B 257 -111.23 65.79 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ASA REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE A REMARK 800 REMARK 800 SITE_IDENTIFIER: ASB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE B REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 285 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 285 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE 5 C-TERMINAL RESIDUES WERE NOT OBSERVED IN THE ELECTRON REMARK 999 DENSITY MAPS. THEY ARE NOT INCLUDED IN THIS ENTRY. REMARK 999 REMARK 999 THE LAST FIVE RESIDUES WERE NOT SEEN IN THE DENSITY REMARK 999 MAPS DBREF 5DAA A 1 277 UNP P19938 DAAA_BACYM 2 278 DBREF 5DAA B 1 277 UNP P19938 DAAA_BACYM 2 278 SEQADV 5DAA LYS A 177 UNP P19938 GLU 178 ENGINEERED MUTATION SEQADV 5DAA LYS B 177 UNP P19938 GLU 178 ENGINEERED MUTATION SEQRES 1 A 277 GLY TYR THR LEU TRP ASN ASP GLN ILE VAL LYS ASP GLU SEQRES 2 A 277 GLU VAL LYS ILE ASP LYS GLU ASP ARG GLY TYR GLN PHE SEQRES 3 A 277 GLY ASP GLY VAL TYR GLU VAL VAL LYS VAL TYR ASN GLY SEQRES 4 A 277 GLU MET PHE THR VAL ASN GLU HIS ILE ASP ARG LEU TYR SEQRES 5 A 277 ALA SER ALA GLU LYS ILE ARG ILE THR ILE PRO TYR THR SEQRES 6 A 277 LYS ASP LYS PHE HIS GLN LEU LEU HIS GLU LEU VAL GLU SEQRES 7 A 277 LYS ASN GLU LEU ASN THR GLY HIS ILE TYR PHE GLN VAL SEQRES 8 A 277 THR ARG GLY THR SER PRO ARG ALA HIS GLN PHE PRO GLU SEQRES 9 A 277 ASN THR VAL LYS PRO VAL ILE ILE GLY TYR THR LYS GLU SEQRES 10 A 277 ASN PRO ARG PRO LEU GLU ASN LEU GLU LYS GLY VAL LYS SEQRES 11 A 277 ALA THR PHE VAL GLU ASP ILE ARG TRP LEU ARG CYS ASP SEQRES 12 A 277 ILE LYS SER LEU ASN LEU LEU GLY ALA VAL LEU ALA LYS SEQRES 13 A 277 GLN GLU ALA HIS GLU LYS GLY CYS TYR GLU ALA ILE LEU SEQRES 14 A 277 HIS ARG ASN ASN THR VAL THR LYS GLY SER SER SER ASN SEQRES 15 A 277 VAL PHE GLY ILE LYS ASP GLY ILE LEU TYR THR HIS PRO SEQRES 16 A 277 ALA ASN ASN MET ILE LEU LYS GLY ILE THR ARG ASP VAL SEQRES 17 A 277 VAL ILE ALA CYS ALA ASN GLU ILE ASN MET PRO VAL LYS SEQRES 18 A 277 GLU ILE PRO PHE THR THR HIS GLU ALA LEU LYS MET ASP SEQRES 19 A 277 GLU LEU PHE VAL THR SER THR THR SER GLU ILE THR PRO SEQRES 20 A 277 VAL ILE GLU ILE ASP GLY LYS LEU ILE ARG ASP GLY LYS SEQRES 21 A 277 VAL GLY GLU TRP THR ARG LYS LEU GLN LYS GLN PHE GLU SEQRES 22 A 277 THR LYS ILE PRO SEQRES 1 B 277 GLY TYR THR LEU TRP ASN ASP GLN ILE VAL LYS ASP GLU SEQRES 2 B 277 GLU VAL LYS ILE ASP LYS GLU ASP ARG GLY TYR GLN PHE SEQRES 3 B 277 GLY ASP GLY VAL TYR GLU VAL VAL LYS VAL TYR ASN GLY SEQRES 4 B 277 GLU MET PHE THR VAL ASN GLU HIS ILE ASP ARG LEU TYR SEQRES 5 B 277 ALA SER ALA GLU LYS ILE ARG ILE THR ILE PRO TYR THR SEQRES 6 B 277 LYS ASP LYS PHE HIS GLN LEU LEU HIS GLU LEU VAL GLU SEQRES 7 B 277 LYS ASN GLU LEU ASN THR GLY HIS ILE TYR PHE GLN VAL SEQRES 8 B 277 THR ARG GLY THR SER PRO ARG ALA HIS GLN PHE PRO GLU SEQRES 9 B 277 ASN THR VAL LYS PRO VAL ILE ILE GLY TYR THR LYS GLU SEQRES 10 B 277 ASN PRO ARG PRO LEU GLU ASN LEU GLU LYS GLY VAL LYS SEQRES 11 B 277 ALA THR PHE VAL GLU ASP ILE ARG TRP LEU ARG CYS ASP SEQRES 12 B 277 ILE LYS SER LEU ASN LEU LEU GLY ALA VAL LEU ALA LYS SEQRES 13 B 277 GLN GLU ALA HIS GLU LYS GLY CYS TYR GLU ALA ILE LEU SEQRES 14 B 277 HIS ARG ASN ASN THR VAL THR LYS GLY SER SER SER ASN SEQRES 15 B 277 VAL PHE GLY ILE LYS ASP GLY ILE LEU TYR THR HIS PRO SEQRES 16 B 277 ALA ASN ASN MET ILE LEU LYS GLY ILE THR ARG ASP VAL SEQRES 17 B 277 VAL ILE ALA CYS ALA ASN GLU ILE ASN MET PRO VAL LYS SEQRES 18 B 277 GLU ILE PRO PHE THR THR HIS GLU ALA LEU LYS MET ASP SEQRES 19 B 277 GLU LEU PHE VAL THR SER THR THR SER GLU ILE THR PRO SEQRES 20 B 277 VAL ILE GLU ILE ASP GLY LYS LEU ILE ARG ASP GLY LYS SEQRES 21 B 277 VAL GLY GLU TRP THR ARG LYS LEU GLN LYS GLN PHE GLU SEQRES 22 B 277 THR LYS ILE PRO HET PLP A 285 15 HET PLP B 285 15 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 PLP 2(C8 H10 N O6 P) FORMUL 5 HOH *3(H2 O) HELIX 1 1 ARG A 22 GLN A 25 1 4 HELIX 2 2 VAL A 44 ILE A 58 1 15 HELIX 3 3 LYS A 66 LYS A 79 1 14 HELIX 4 4 LEU A 122 LYS A 127 1 6 HELIX 5 5 LEU A 150 LYS A 162 1 13 HELIX 6 6 ILE A 204 ASN A 214 1 11 HELIX 7 7 THR A 227 ALA A 230 1 4 HELIX 8 8 GLU A 263 LYS A 275 1 13 HELIX 9 9 ASP B 12 GLU B 14 5 3 HELIX 10 10 ARG B 22 GLN B 25 1 4 HELIX 11 11 VAL B 44 ILE B 58 1 15 HELIX 12 12 LYS B 66 ASN B 80 1 15 HELIX 13 13 LEU B 122 LYS B 127 1 6 HELIX 14 14 LEU B 150 LYS B 162 1 13 HELIX 15 15 ILE B 204 GLU B 215 1 12 HELIX 16 16 THR B 227 ALA B 230 1 4 HELIX 17 17 GLU B 263 LYS B 275 1 13 SHEET 1 A 2 TYR A 2 TRP A 5 0 SHEET 2 A 2 GLN A 8 LYS A 11 -1 SHEET 1 B 3 GLY A 29 VAL A 36 0 SHEET 2 B 3 GLY A 85 THR A 92 -1 SHEET 3 B 3 VAL A 110 GLU A 117 -1 N LYS A 116 O HIS A 86 SHEET 1 C 4 VAL A 248 ILE A 251 0 SHEET 2 C 4 VAL A 129 GLU A 135 1 SHEET 3 C 4 GLU A 166 ARG A 171 1 N GLU A 166 O THR A 132 SHEET 4 C 4 THR A 174 GLY A 178 -1 N LYS A 177 O LEU A 169 SHEET 1 D 5 PRO A 219 LYS A 221 0 SHEET 2 D 5 ILE A 190 TYR A 192 1 SHEET 3 D 5 ASN A 182 LYS A 187 -1 N LYS A 187 O ILE A 190 SHEET 4 D 5 GLU A 235 SER A 240 -1 N THR A 239 O ASN A 182 SHEET 5 D 5 GLU A 244 PRO A 247 -1 N THR A 246 O VAL A 238 SHEET 1 E 5 GLN B 8 LYS B 11 0 SHEET 2 E 5 TYR B 2 TRP B 5 -1 SHEET 3 E 5 VAL B 110 GLU B 117 -1 N GLY B 113 O LEU B 4 SHEET 4 E 5 GLY B 85 THR B 92 -1 N THR B 92 O VAL B 110 SHEET 5 E 5 GLY B 29 VAL B 36 -1 N VAL B 36 O GLY B 85 SHEET 1 F 4 ILE B 190 THR B 193 0 SHEET 2 F 4 ASN B 182 LYS B 187 -1 SHEET 3 F 4 GLU B 235 SER B 240 -1 N THR B 239 O ASN B 182 SHEET 4 F 4 GLU B 244 PRO B 247 -1 N THR B 246 O VAL B 238 SHEET 1 G 2 ILE B 168 ARG B 171 0 SHEET 2 G 2 THR B 174 GLY B 178 -1 LINK NZ LYS A 145 C4A PLP A 285 1555 1555 1.28 LINK NZ LYS B 145 C4A PLP B 285 1555 1555 1.26 SITE 1 ASA 6 PLP A 285 LYS A 145 TYR A 31 HIS B 100 SITE 2 ASA 6 ARG B 98 LYS A 177 SITE 1 ASB 6 PLP B 285 LYS B 145 TYR B 31 HIS A 100 SITE 2 ASB 6 ARG A 98 LYS B 177 SITE 1 AC1 9 ARG A 50 LYS A 145 SER A 181 LEU A 201 SITE 2 AC1 9 GLY A 203 ILE A 204 THR A 205 SER A 240 SITE 3 AC1 9 THR A 241 SITE 1 AC2 9 ARG B 50 LYS B 145 SER B 181 LEU B 201 SITE 2 AC2 9 GLY B 203 ILE B 204 THR B 205 SER B 240 SITE 3 AC2 9 THR B 241 CRYST1 77.850 91.870 89.380 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 0.012845 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010885 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011188 0.00000