HEADER AMINOTRANSFERASE 26-JAN-98 4DAA TITLE CRYSTALLOGRAPHIC STRUCTURE OF D-AMINO ACID AMINOTRANSFERASE IN TITLE 2 PYRIDOXAL-5'-PHOSPHATE (PLP) FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: D-AMINO ACID AMINOTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.6.1.21; COMPND 5 ENGINEERED: 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 EXPDTA X-RAY DIFFRACTION AUTHOR D.PEISACH,D.M.CHIPMAN,D.RINGE REVDAT 4 09-AUG-23 4DAA 1 REMARK LINK REVDAT 3 13-JUL-11 4DAA 1 VERSN REVDAT 2 24-FEB-09 4DAA 1 VERSN REVDAT 1 29-APR-98 4DAA 0 JRNL AUTH D.PEISACH,D.M.CHIPMAN,P.W.VAN OPHEM,J.M.MANNING,D.RINGE JRNL TITL CRYSTALLOGRAPHIC STUDY OF STEPS ALONG THE REACTION PATHWAY JRNL TITL 2 OF D-AMINO ACID AMINOTRANSFERASE. JRNL REF BIOCHEMISTRY V. 37 4958 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9538014 JRNL DOI 10.1021/BI972884D 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. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.9 REMARK 3 NUMBER OF REFLECTIONS : 26451 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) : 0.181 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2632 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.51 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 78.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2517 REMARK 3 BIN R VALUE (WORKING SET) : 0.2420 REMARK 3 BIN FREE R VALUE : 0.3150 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 293 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 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 : 40 REMARK 3 SOLVENT ATOMS : 79 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 30.0 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.232 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.96 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.148 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 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 : TOPHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PLP.PAR REMARK 3 PARAMETER FILE 3 : WATER.PAR REMARK 3 PARAMETER FILE 4 : SO4.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PARHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : PLP.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : SO4.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: USED SOLVENT MASK DURING REFINEMENT REMARK 4 REMARK 4 4DAA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179297. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : AUG-96 REMARK 200 TEMPERATURE (KELVIN) : 278 REMARK 200 PH : 7.6-8.5 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31959 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 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 (%) : 91.9 REMARK 200 DATA REDUNDANCY : 2.910 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.35 REMARK 200 R MERGE FOR SHELL (I) : 0.29300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: PDB ENTRY 1DAA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CONCENTRATED TO 30 MG/ML REMARK 280 IN 100 MM POTASSIUM PHOSPHATE BUFFER PH 7.6 CONTAINING 50 UM PLP REMARK 280 AND 0.001 BETA-MERCAPTOETHANOL. CRYSTALS WERE THEN GROWN BY THE REMARK 280 HANGING DROP METHOD IN 25% PEG 4000, 200 MM AMMONIUM SULFATE, REMARK 280 100 MM SODIUM ACETATE, 1 MM ALPHA-KETOGLUTARATE, AND 0.1 M TRIS- REMARK 280 CHLORIDE PH 8.5., VAPOR DIFFUSION - HANGING DROP, VAPOR REMARK 280 DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 70.55000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.45000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 70.55000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 34.45000 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: 6130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22140 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -70.0 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 -109.43 67.42 REMARK 500 ASN A 83 -76.74 -97.24 REMARK 500 ALA A 99 145.91 -171.88 REMARK 500 PRO A 103 -161.41 -63.32 REMARK 500 LEU A 140 30.93 -86.91 REMARK 500 ASN A 172 83.14 47.94 REMARK 500 ASN A 173 -44.75 77.58 REMARK 500 THR A 176 -71.90 -115.90 REMARK 500 SER A 180 50.99 -155.36 REMARK 500 ASN A 197 -149.55 -131.49 REMARK 500 GLU A 244 -119.45 56.46 REMARK 500 ARG A 257 -92.55 60.95 REMARK 500 ASN B 6 -106.63 72.14 REMARK 500 GLU B 20 31.91 -95.86 REMARK 500 PHE B 26 -6.40 -140.34 REMARK 500 THR B 43 43.03 35.51 REMARK 500 ASN B 83 -75.84 -98.52 REMARK 500 ALA B 99 148.10 -176.96 REMARK 500 PRO B 103 -169.22 -72.58 REMARK 500 THR B 106 -7.24 -156.24 REMARK 500 TRP B 139 -175.97 -61.24 REMARK 500 ARG B 141 54.70 -114.38 REMARK 500 ASN B 172 77.43 55.68 REMARK 500 ASN B 173 -33.69 69.16 REMARK 500 THR B 176 -73.41 -99.00 REMARK 500 SER B 180 37.97 -160.77 REMARK 500 GLU B 244 -124.55 59.27 REMARK 500 ARG B 257 -91.24 61.46 REMARK 500 THR B 274 0.19 -69.00 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ASA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE A. REMARK 800 REMARK 800 SITE_IDENTIFIER: ASB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ESSENTIALLY THE SAME AS ASA. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 287 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 287 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 285 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 285 DBREF 4DAA A 1 277 UNP P19938 DAAA_BACYM 1 277 DBREF 4DAA B 1 277 UNP P19938 DAAA_BACYM 1 277 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 GLU 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 GLU 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 SO4 A 287 5 HET PLP A 285 15 HET SO4 B 287 5 HET PLP B 285 15 HETNAM SO4 SULFATE ION HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 SO4 2(O4 S 2-) FORMUL 4 PLP 2(C8 H10 N O6 P) FORMUL 7 HOH *79(H2 O) HELIX 1 1 ASP A 12 GLU A 14 5 3 HELIX 2 2 ARG A 22 PHE A 26 1 5 HELIX 3 3 VAL A 44 ILE A 58 1 15 HELIX 4 4 LYS A 66 LYS A 79 1 14 HELIX 5 5 LEU A 122 LYS A 127 1 6 HELIX 6 6 LEU A 150 GLU A 161 1 12 HELIX 7 7 ILE A 204 GLU A 215 1 12 HELIX 8 8 THR A 227 LYS A 232 1 6 HELIX 9 9 GLU A 263 THR A 274 1 12 HELIX 10 10 ASP B 12 GLU B 14 5 3 HELIX 11 11 ARG B 22 GLN B 25 1 4 HELIX 12 12 VAL B 44 LYS B 57 1 14 HELIX 13 13 LYS B 66 LYS B 79 1 14 HELIX 14 14 LEU B 122 LYS B 127 1 6 HELIX 15 15 LEU B 150 GLU B 161 1 12 HELIX 16 16 ILE B 204 GLU B 215 1 12 HELIX 17 17 THR B 227 LYS B 232 1 6 HELIX 18 18 GLU B 263 LYS B 275 1 13 SHEET 1 A 5 GLN A 8 LYS A 11 0 SHEET 2 A 5 TYR A 2 TRP A 5 -1 N TRP A 5 O GLN A 8 SHEET 3 A 5 VAL A 110 GLU A 117 -1 N GLY A 113 O LEU A 4 SHEET 4 A 5 GLY A 85 THR A 92 -1 N THR A 92 O VAL A 110 SHEET 5 A 5 GLY A 29 VAL A 36 -1 N VAL A 36 O GLY A 85 SHEET 1 B 3 GLU A 166 HIS A 170 0 SHEET 2 B 3 VAL A 129 GLU A 135 1 N THR A 132 O GLU A 166 SHEET 3 B 3 VAL A 248 ILE A 251 1 N ILE A 249 O VAL A 129 SHEET 1 C 4 ILE A 190 THR A 193 0 SHEET 2 C 4 ASN A 182 LYS A 187 -1 N LYS A 187 O ILE A 190 SHEET 3 C 4 GLU A 235 SER A 240 -1 N THR A 239 O ASN A 182 SHEET 4 C 4 GLU A 244 PRO A 247 -1 N THR A 246 O VAL A 238 SHEET 1 D 2 TYR B 2 TRP B 5 0 SHEET 2 D 2 GLN B 8 LYS B 11 -1 N VAL B 10 O THR B 3 SHEET 1 E 3 GLY B 29 VAL B 36 0 SHEET 2 E 3 GLY B 85 THR B 92 -1 N VAL B 91 O VAL B 30 SHEET 3 E 3 VAL B 110 GLU B 117 -1 N LYS B 116 O HIS B 86 SHEET 1 F 3 GLU B 166 HIS B 170 0 SHEET 2 F 3 VAL B 129 GLU B 135 1 N THR B 132 O GLU B 166 SHEET 3 F 3 VAL B 248 ILE B 251 1 N ILE B 249 O VAL B 129 SHEET 1 G 4 ILE B 190 THR B 193 0 SHEET 2 G 4 ASN B 182 LYS B 187 -1 N LYS B 187 O ILE B 190 SHEET 3 G 4 GLU B 235 SER B 240 -1 N THR B 239 O ASN B 182 SHEET 4 G 4 GLU B 244 PRO B 247 -1 N THR B 246 O VAL B 238 LINK NZ LYS A 145 C4A PLP A 285 1555 1555 1.35 LINK NZ LYS B 145 C4A PLP B 285 1555 1555 1.33 SITE 1 ASA 6 PLP A 285 LYS A 145 TYR A 31 HIS B 100 SITE 2 ASA 6 ARG B 98 GLU 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 GLU B 177 SITE 1 AC1 7 TYR A 31 LYS A 145 SER A 180 PLP A 285 SITE 2 AC1 7 HOH A 619 ARG B 98 HIS B 100 SITE 1 AC2 6 ARG A 98 HIS A 100 TYR B 31 LYS B 145 SITE 2 AC2 6 SER B 180 PLP B 285 SITE 1 AC3 15 HIS A 47 ARG A 50 ARG A 138 LYS A 145 SITE 2 AC3 15 GLU A 177 SER A 181 ASN A 182 LEU A 201 SITE 3 AC3 15 GLY A 203 ILE A 204 THR A 205 THR A 241 SITE 4 AC3 15 SO4 A 287 HOH A 619 HOH A 629 SITE 1 AC4 14 HIS B 47 ARG B 50 LYS B 145 GLU B 177 SITE 2 AC4 14 SER B 181 ASN B 182 LEU B 201 GLY B 203 SITE 3 AC4 14 ILE B 204 THR B 205 SER B 240 THR B 241 SITE 4 AC4 14 SO4 B 287 HOH B 676 CRYST1 141.100 68.900 87.400 90.00 119.50 90.00 C 1 2 1 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 0.007087 0.000000 0.004010 0.00000 SCALE2 0.000000 0.014514 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013146 0.00000