HEADER LYASE 29-JAN-99 1OAS TITLE O-ACETYLSERINE SULFHYDRYLASE FROM SALMONELLA TYPHIMURIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: O-ACETYLSERINE SULFHYDRYLASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CYSTEIN SYNTHASE; COMPND 5 EC: 4.2.99.8; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM; SOURCE 3 ORGANISM_TAXID: 602; SOURCE 4 EXPRESSION_SYSTEM: SALMONELLA TYPHIMURIUM; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 602 KEYWDS CYSTEIN BIOSYNTHESIS, BETA REPLACEMENT ENZYME, PLP DEPENDENT ENZYME, KEYWDS 2 HOMODIMER, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR P.BURKHARD,G.S.J.RAO,E.HOHENESTER,K.D.SCHNACKERZ,P.F.COOK, AUTHOR 2 J.N.JANSONIUS REVDAT 5 27-DEC-23 1OAS 1 REMARK LINK REVDAT 4 13-JUL-11 1OAS 1 VERSN REVDAT 3 24-FEB-09 1OAS 1 VERSN REVDAT 2 01-APR-03 1OAS 1 JRNL REVDAT 1 28-JAN-00 1OAS 0 JRNL AUTH P.BURKHARD,G.S.RAO,E.HOHENESTER,K.D.SCHNACKERZ,P.F.COOK, JRNL AUTH 2 J.N.JANSONIUS JRNL TITL THREE-DIMENSIONAL STRUCTURE OF O-ACETYLSERINE SULFHYDRYLASE JRNL TITL 2 FROM SALMONELLA TYPHIMURIUM. JRNL REF J.MOL.BIOL. V. 283 121 1998 JRNL REFN ISSN 0022-2836 JRNL PMID 9761678 JRNL DOI 10.1006/JMBI.1998.2037 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 39404 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : A POSTERIORI REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.200 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1191 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.34 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5961 REMARK 3 BIN R VALUE (WORKING SET) : 0.2370 REMARK 3 BIN FREE R VALUE : 0.2690 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 2.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 177 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4720 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 408 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 10.35000 REMARK 3 B22 (A**2) : -6.94000 REMARK 3 B33 (A**2) : -3.41000 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) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.23 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) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.050 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) : 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 : 0.34 REMARK 3 BSOL : 80.69 REMARK 3 REMARK 3 NCS MODEL : CONSTR 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 : PARAM.PLP REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : TOPH.PLP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1OAS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-FEB-99. REMARK 100 THE DEPOSITION ID IS D_1000000420. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-APR-97 REMARK 200 TEMPERATURE (KELVIN) : 287.00 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM1A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.02 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 43785 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.06400 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: MIR REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.00 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 27.30000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 72.70000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 49.10000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 72.70000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.30000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 49.10000 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: 5900 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23000 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 THR A 316 REMARK 465 GLU A 317 REMARK 465 LYS A 318 REMARK 465 GLU A 319 REMARK 465 LEU A 320 REMARK 465 GLN A 321 REMARK 465 GLN A 322 REMARK 465 THR B 316 REMARK 465 GLU B 317 REMARK 465 LYS B 318 REMARK 465 GLU B 319 REMARK 465 LEU B 320 REMARK 465 GLN B 321 REMARK 465 GLN B 322 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 481 O HOH B 501 1455 2.09 REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 133 75.54 -175.50 REMARK 500 PRO A 134 -9.27 -56.03 REMARK 500 GLN A 141 78.21 59.93 REMARK 500 THR A 155 -63.82 -123.38 REMARK 500 SER A 207 59.36 -157.23 REMARK 500 PRO A 208 46.79 -73.18 REMARK 500 THR B 68 149.52 -177.14 REMARK 500 ASP B 133 75.38 -175.63 REMARK 500 PRO B 134 -8.85 -56.22 REMARK 500 GLN B 141 76.93 59.52 REMARK 500 THR B 155 -62.89 -122.14 REMARK 500 SER B 207 59.27 -158.32 REMARK 500 PRO B 208 46.35 -73.33 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 SCHIFF-BASE LINKAGE TO K41 A REMARK 600 REMARK 600 SCHIFF-BASE LINKAGE TO K41 B REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: PLP REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: SCHIFF-BASE LINKAGE TO COFACTOR REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 323 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 323 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCE DIFFERENCES REPORTED IN SEQADV ARE PROBABLY REMARK 999 SEQUENCING MISTAKES. DBREF 1OAS A 1 322 UNP P0A1E3 CYSK_SALTY 2 323 DBREF 1OAS B 1 322 UNP P0A1E3 CYSK_SALTY 2 323 SEQADV 1OAS GLY A 266 UNP P0A1E3 VAL 266 SEE REMARK 999 SEQADV 1OAS GLY B 266 UNP P0A1E3 VAL 266 SEE REMARK 999 SEQADV 1OAS ILE A 267 UNP P0A1E3 PHE 267 SEE REMARK 999 SEQADV 1OAS ILE B 267 UNP P0A1E3 PHE 267 SEE REMARK 999 SEQRES 1 A 322 SER LYS ILE TYR GLU ASP ASN SER LEU THR ILE GLY HIS SEQRES 2 A 322 THR PRO LEU VAL ARG LEU ASN ARG ILE GLY ASN GLY ARG SEQRES 3 A 322 ILE LEU ALA LYS VAL GLU SER ARG ASN PRO SER PHE SER SEQRES 4 A 322 VAL LYS CYS ARG ILE GLY ALA ASN MET ILE TRP ASP ALA SEQRES 5 A 322 GLU LYS ARG GLY VAL LEU LYS PRO GLY VAL GLU LEU VAL SEQRES 6 A 322 GLU PRO THR ASN GLY ASN THR GLY ILE ALA LEU ALA TYR SEQRES 7 A 322 VAL ALA ALA ALA ARG GLY TYR LYS LEU THR LEU THR MET SEQRES 8 A 322 PRO GLU THR MET SER ILE GLU ARG ARG LYS LEU LEU LYS SEQRES 9 A 322 ALA LEU GLY ALA ASN LEU VAL LEU THR GLU GLY ALA LYS SEQRES 10 A 322 GLY MET LYS GLY ALA ILE GLN LYS ALA GLU GLU ILE VAL SEQRES 11 A 322 ALA SER ASP PRO GLN LYS TYR LEU LEU LEU GLN GLN PHE SEQRES 12 A 322 SER ASN PRO ALA ASN PRO GLU ILE HIS GLU LYS THR THR SEQRES 13 A 322 GLY PRO GLU ILE TRP GLU ASP THR ASP GLY GLN VAL ASP SEQRES 14 A 322 VAL PHE ILE SER GLY VAL GLY THR GLY GLY THR LEU THR SEQRES 15 A 322 GLY VAL THR ARG TYR ILE LYS GLY THR LYS GLY LYS THR SEQRES 16 A 322 ASP LEU ILE THR VAL ALA VAL GLU PRO THR ASP SER PRO SEQRES 17 A 322 VAL ILE ALA GLN ALA LEU ALA GLY GLU GLU ILE LYS PRO SEQRES 18 A 322 GLY PRO HIS LYS ILE GLN GLY ILE GLY ALA GLY PHE ILE SEQRES 19 A 322 PRO GLY ASN LEU ASP LEU LYS LEU ILE ASP LYS VAL VAL SEQRES 20 A 322 GLY ILE THR ASN GLU GLU ALA ILE SER THR ALA ARG ARG SEQRES 21 A 322 LEU MET GLU GLU GLU GLY ILE LEU ALA GLY ILE SER SER SEQRES 22 A 322 GLY ALA ALA VAL ALA ALA ALA LEU LYS LEU GLN GLU ASP SEQRES 23 A 322 GLU SER PHE THR ASN LYS ASN ILE VAL VAL ILE LEU PRO SEQRES 24 A 322 SER SER GLY GLU ARG TYR LEU SER THR ALA LEU PHE ALA SEQRES 25 A 322 ASP LEU PHE THR GLU LYS GLU LEU GLN GLN SEQRES 1 B 322 SER LYS ILE TYR GLU ASP ASN SER LEU THR ILE GLY HIS SEQRES 2 B 322 THR PRO LEU VAL ARG LEU ASN ARG ILE GLY ASN GLY ARG SEQRES 3 B 322 ILE LEU ALA LYS VAL GLU SER ARG ASN PRO SER PHE SER SEQRES 4 B 322 VAL LYS CYS ARG ILE GLY ALA ASN MET ILE TRP ASP ALA SEQRES 5 B 322 GLU LYS ARG GLY VAL LEU LYS PRO GLY VAL GLU LEU VAL SEQRES 6 B 322 GLU PRO THR ASN GLY ASN THR GLY ILE ALA LEU ALA TYR SEQRES 7 B 322 VAL ALA ALA ALA ARG GLY TYR LYS LEU THR LEU THR MET SEQRES 8 B 322 PRO GLU THR MET SER ILE GLU ARG ARG LYS LEU LEU LYS SEQRES 9 B 322 ALA LEU GLY ALA ASN LEU VAL LEU THR GLU GLY ALA LYS SEQRES 10 B 322 GLY MET LYS GLY ALA ILE GLN LYS ALA GLU GLU ILE VAL SEQRES 11 B 322 ALA SER ASP PRO GLN LYS TYR LEU LEU LEU GLN GLN PHE SEQRES 12 B 322 SER ASN PRO ALA ASN PRO GLU ILE HIS GLU LYS THR THR SEQRES 13 B 322 GLY PRO GLU ILE TRP GLU ASP THR ASP GLY GLN VAL ASP SEQRES 14 B 322 VAL PHE ILE SER GLY VAL GLY THR GLY GLY THR LEU THR SEQRES 15 B 322 GLY VAL THR ARG TYR ILE LYS GLY THR LYS GLY LYS THR SEQRES 16 B 322 ASP LEU ILE THR VAL ALA VAL GLU PRO THR ASP SER PRO SEQRES 17 B 322 VAL ILE ALA GLN ALA LEU ALA GLY GLU GLU ILE LYS PRO SEQRES 18 B 322 GLY PRO HIS LYS ILE GLN GLY ILE GLY ALA GLY PHE ILE SEQRES 19 B 322 PRO GLY ASN LEU ASP LEU LYS LEU ILE ASP LYS VAL VAL SEQRES 20 B 322 GLY ILE THR ASN GLU GLU ALA ILE SER THR ALA ARG ARG SEQRES 21 B 322 LEU MET GLU GLU GLU GLY ILE LEU ALA GLY ILE SER SER SEQRES 22 B 322 GLY ALA ALA VAL ALA ALA ALA LEU LYS LEU GLN GLU ASP SEQRES 23 B 322 GLU SER PHE THR ASN LYS ASN ILE VAL VAL ILE LEU PRO SEQRES 24 B 322 SER SER GLY GLU ARG TYR LEU SER THR ALA LEU PHE ALA SEQRES 25 B 322 ASP LEU PHE THR GLU LYS GLU LEU GLN GLN HET PLP A 323 15 HET PLP B 323 15 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 PLP 2(C8 H10 N O6 P) FORMUL 5 HOH *408(H2 O) HELIX 1 1 ASN A 7 THR A 10 5 4 HELIX 2 2 VAL A 40 LYS A 54 5 15 HELIX 3 3 ASN A 71 ARG A 83 1 13 HELIX 4 4 ILE A 97 ALA A 105 1 9 HELIX 5 5 GLY A 115 ASP A 133 5 19 HELIX 6 6 ALA A 147 LYS A 154 1 8 HELIX 7 7 THR A 156 ASP A 163 1 8 HELIX 8 8 GLY A 179 LYS A 189 1 11 HELIX 9 9 THR A 205 SER A 207 5 3 HELIX 10 10 VAL A 209 ALA A 215 1 7 HELIX 11 11 LEU A 240 LEU A 242 5 3 HELIX 12 12 ASN A 251 GLU A 265 1 15 HELIX 13 13 ILE A 271 GLU A 285 1 15 HELIX 14 14 GLU A 287 PHE A 289 5 3 HELIX 15 15 GLY A 302 TYR A 305 5 4 HELIX 16 16 ALA A 309 PHE A 311 5 3 HELIX 17 17 ASN B 7 THR B 10 5 4 HELIX 18 18 VAL B 40 LYS B 54 5 15 HELIX 19 19 ASN B 71 ARG B 83 1 13 HELIX 20 20 ILE B 97 ALA B 105 1 9 HELIX 21 21 GLY B 115 ASP B 133 5 19 HELIX 22 22 ALA B 147 LYS B 154 1 8 HELIX 23 23 THR B 156 ASP B 163 1 8 HELIX 24 24 GLY B 179 LYS B 189 1 11 HELIX 25 25 THR B 205 SER B 207 5 3 HELIX 26 26 VAL B 209 ALA B 215 1 7 HELIX 27 27 LEU B 240 LEU B 242 5 3 HELIX 28 28 ASN B 251 GLU B 265 1 15 HELIX 29 29 ILE B 271 GLU B 285 1 15 HELIX 30 30 GLU B 287 PHE B 289 5 3 HELIX 31 31 GLY B 302 TYR B 305 5 4 HELIX 32 32 ALA B 309 PHE B 311 5 3 SHEET 1 A 6 LEU A 16 ARG A 18 0 SHEET 2 A 6 ILE A 27 VAL A 31 -1 N ALA A 29 O VAL A 17 SHEET 3 A 6 ILE A 294 LEU A 298 1 N ILE A 294 O LEU A 28 SHEET 4 A 6 VAL A 170 GLY A 174 1 N VAL A 170 O VAL A 295 SHEET 5 A 6 ILE A 198 PRO A 204 1 N ILE A 198 O PHE A 171 SHEET 6 A 6 LYS A 245 ILE A 249 1 N LYS A 245 O ALA A 201 SHEET 1 B 4 TYR A 137 LEU A 139 0 SHEET 2 B 4 GLU A 63 PRO A 67 1 N GLU A 63 O LEU A 138 SHEET 3 B 4 LEU A 87 PRO A 92 1 N THR A 88 O LEU A 64 SHEET 4 B 4 ASN A 109 THR A 113 1 N ASN A 109 O LEU A 89 SHEET 1 C 6 LEU B 16 ARG B 18 0 SHEET 2 C 6 ILE B 27 VAL B 31 -1 N ALA B 29 O VAL B 17 SHEET 3 C 6 ILE B 294 LEU B 298 1 N ILE B 294 O LEU B 28 SHEET 4 C 6 VAL B 170 GLY B 174 1 N VAL B 170 O VAL B 295 SHEET 5 C 6 ILE B 198 PRO B 204 1 N ILE B 198 O PHE B 171 SHEET 6 C 6 LYS B 245 ILE B 249 1 N LYS B 245 O ALA B 201 SHEET 1 D 4 TYR B 137 LEU B 139 0 SHEET 2 D 4 GLU B 63 PRO B 67 1 N GLU B 63 O LEU B 138 SHEET 3 D 4 LEU B 87 PRO B 92 1 N THR B 88 O LEU B 64 SHEET 4 D 4 ASN B 109 THR B 113 1 N ASN B 109 O LEU B 89 LINK NZ LYS A 41 C4A PLP A 323 1555 1555 1.28 LINK NZ LYS B 41 C4A PLP B 323 1555 1555 1.28 SITE 1 PLP 2 LYS A 41 LYS B 41 SITE 1 AC1 17 LYS A 41 ASN A 71 GLY A 174 GLY A 176 SITE 2 AC1 17 THR A 177 GLY A 178 THR A 180 GLY A 228 SITE 3 AC1 17 ILE A 229 SER A 272 PRO A 299 SER A 300 SITE 4 AC1 17 TYR A 305 HOH A 329 HOH A 334 HOH A 350 SITE 5 AC1 17 HOH A 365 SITE 1 AC2 18 LYS B 41 ASN B 71 GLY B 174 VAL B 175 SITE 2 AC2 18 GLY B 176 THR B 177 GLY B 178 GLY B 179 SITE 3 AC2 18 THR B 180 GLY B 228 ILE B 229 SER B 272 SITE 4 AC2 18 PRO B 299 SER B 300 TYR B 305 HOH B 335 SITE 5 AC2 18 HOH B 338 HOH B 339 CRYST1 54.600 98.200 145.400 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 0.018315 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010183 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006877 0.00000 MTRIX1 1 0.383461 -0.575913 -0.721999 54.34330 1 MTRIX2 1 -0.574270 -0.760938 0.301972 16.16350 1 MTRIX3 1 -0.723306 0.298827 -0.622519 91.54460 1