HEADER HYDROLASE 05-DEC-12 3ZEI TITLE STRUCTURE OF THE MYCOBACTERIUM TUBERCULOSIS O-ACETYLSERINE TITLE 2 SULFHYDRYLASE (OASS) CYSK1 IN COMPLEX WITH A SMALL MOLECULE INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: O-ACETYLSERINE SULFHYDRYLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: OAS SULFHYDRYLASE, OASS, CYSTEINE SYNTHASE A, CSASE A, O- COMPND 5 ACETYLSERINE (THIOL)-LYASE A, OAS-TL A, O-ACETYLSERINE-SPECIFIC COMPND 6 CYSTEINE SYNTHASE, SULFIDE-DEPENDENT CYSTEINE SYNTHASE; COMPND 7 EC: 2.5.1.47; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE, INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR O.POYRAZ,R.SCHNELL,G.SCHNEIDER REVDAT 3 20-DEC-23 3ZEI 1 REMARK LINK REVDAT 2 04-SEP-13 3ZEI 1 JRNL REVDAT 1 07-AUG-13 3ZEI 0 JRNL AUTH O.POYRAZ,V.U.JEANKUMAR,S.SAXENA,R.SCHNELL,M.HARALDSSON, JRNL AUTH 2 P.YOGEESWARI,D.SRIRAM,G.SCHNEIDER JRNL TITL STRUCTURE-GUIDED DESIGN OF NOVEL THIAZOLIDINE INHIBITORS OF JRNL TITL 2 O-ACETYL SERINE SULFHYDRYLASE FROM MYCOBACTERIUM JRNL TITL 3 TUBERCULOSIS. JRNL REF J.MED.CHEM. V. 56 6457 2013 JRNL REFN ISSN 0022-2623 JRNL PMID 23879381 JRNL DOI 10.1021/JM400710K REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0032 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 56.15 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 30862 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 + TEST SET) : 0.203 REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1635 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2242 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.79 REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE SET COUNT : 109 REMARK 3 BIN FREE R VALUE : 0.3370 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2227 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 60 REMARK 3 SOLVENT ATOMS : 96 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) : 1.35000 REMARK 3 B22 (A**2) : 1.35000 REMARK 3 B33 (A**2) : -2.70000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.138 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.134 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.105 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.971 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.945 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2344 ; 0.013 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3195 ; 1.937 ; 2.011 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 307 ; 5.233 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 92 ;33.666 ;23.913 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 385 ;13.286 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 21 ;14.570 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 375 ; 0.212 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1765 ; 0.008 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT. U VALUES REFINED INDIVIDUALLY. REMARK 4 REMARK 4 3ZEI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 05-DEC-12. REMARK 100 THE DEPOSITION ID IS D_1290055008. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-OCT-10 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97920 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32556 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 56.090 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.71000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1Q3B REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.54 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM HEPES, PH8.0, 80% MPD REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 89.81500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 35.91000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 35.91000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 44.90750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 35.91000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 35.91000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 134.72250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 35.91000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 35.91000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 44.90750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 35.91000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 35.91000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 134.72250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 89.81500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6570 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21740 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -64.1 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 SER A 301 REMARK 465 THR A 302 REMARK 465 PRO A 303 REMARK 465 LEU A 304 REMARK 465 PHE A 305 REMARK 465 ALA A 306 REMARK 465 ASP A 307 REMARK 465 VAL A 308 REMARK 465 ALA A 309 REMARK 465 ASP A 310 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 THR A 23 22.45 -144.03 REMARK 500 THR A 157 -74.54 -115.32 REMARK 500 SER A 207 68.05 -150.83 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 1301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AWH A 1302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 1303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 1304 DBREF 3ZEI A 1 310 UNP P0A534 CYSK_MYCTU 1 310 SEQRES 1 A 310 MET SER ILE ALA GLU ASP ILE THR GLN LEU ILE GLY ARG SEQRES 2 A 310 THR PRO LEU VAL ARG LEU ARG ARG VAL THR ASP GLY ALA SEQRES 3 A 310 VAL ALA ASP ILE VAL ALA LYS LEU GLU PHE PHE ASN PRO SEQRES 4 A 310 ALA ASN SER VAL LYS ASP ARG ILE GLY VAL ALA MET LEU SEQRES 5 A 310 GLN ALA ALA GLU GLN ALA GLY LEU ILE LYS PRO ASP THR SEQRES 6 A 310 ILE ILE LEU GLU PRO THR SER GLY ASN THR GLY ILE ALA SEQRES 7 A 310 LEU ALA MET VAL CYS ALA ALA ARG GLY TYR ARG CYS VAL SEQRES 8 A 310 LEU THR MET PRO GLU THR MET SER LEU GLU ARG ARG MET SEQRES 9 A 310 LEU LEU ARG ALA TYR GLY ALA GLU LEU ILE LEU THR PRO SEQRES 10 A 310 GLY ALA ASP GLY MET SER GLY ALA ILE ALA LYS ALA GLU SEQRES 11 A 310 GLU LEU ALA LYS THR ASP GLN ARG TYR PHE VAL PRO GLN SEQRES 12 A 310 GLN PHE GLU ASN PRO ALA ASN PRO ALA ILE HIS ARG VAL SEQRES 13 A 310 THR THR ALA GLU GLU VAL TRP ARG ASP THR ASP GLY LYS SEQRES 14 A 310 VAL ASP ILE VAL VAL ALA GLY VAL GLY THR GLY GLY THR SEQRES 15 A 310 ILE THR GLY VAL ALA GLN VAL ILE LYS GLU ARG LYS PRO SEQRES 16 A 310 SER ALA ARG PHE VAL ALA VAL GLU PRO ALA ALA SER PRO SEQRES 17 A 310 VAL LEU SER GLY GLY GLN LYS GLY PRO HIS PRO ILE GLN SEQRES 18 A 310 GLY ILE GLY ALA GLY PHE VAL PRO PRO VAL LEU ASP GLN SEQRES 19 A 310 ASP LEU VAL ASP GLU ILE ILE THR VAL GLY ASN GLU ASP SEQRES 20 A 310 ALA LEU ASN VAL ALA ARG ARG LEU ALA ARG GLU GLU GLY SEQRES 21 A 310 LEU LEU VAL GLY ILE SER SER GLY ALA ALA THR VAL ALA SEQRES 22 A 310 ALA LEU GLN VAL ALA ARG ARG PRO GLU ASN ALA GLY LYS SEQRES 23 A 310 LEU ILE VAL VAL VAL LEU PRO ASP PHE GLY GLU ARG TYR SEQRES 24 A 310 LEU SER THR PRO LEU PHE ALA ASP VAL ALA ASP HET PLP A1301 15 HET AWH A1302 29 HET MPD A1303 8 HET MPD A1304 8 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM AWH 3-[(Z)-[(5Z)-5-[[2-(2-HYDROXY-2-OXOETHYLOXY) HETNAM 2 AWH PHENYL]METHYLIDENE]-3-METHYL-4-OXIDANYLIDENE-1,3- HETNAM 3 AWH THIAZOLIDIN-2-YLIDENE]AMINO]BENZOIC ACID HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL HETSYN PLP VITAMIN B6 PHOSPHATE HETSYN AWH 3-((Z)-((Z)-5-(2(CARBOXYMETHOXY)BENZYLIDENE)-3-METHYL- HETSYN 2 AWH 4-OXOTHIAZOLIDIN-2-YLIDENE)AMINO)BENZOIC ACID FORMUL 2 PLP C8 H10 N O6 P FORMUL 3 AWH C20 H16 N2 O6 S FORMUL 4 MPD 2(C6 H14 O2) FORMUL 6 HOH *96(H2 O) HELIX 1 1 ASP A 6 ILE A 11 5 6 HELIX 2 2 PHE A 36 ASN A 38 5 3 HELIX 3 3 VAL A 43 ALA A 58 1 16 HELIX 4 4 GLY A 73 GLY A 87 1 15 HELIX 5 5 SER A 99 TYR A 109 1 11 HELIX 6 6 PRO A 117 ALA A 119 5 3 HELIX 7 7 ASP A 120 ASP A 136 1 17 HELIX 8 8 PRO A 148 THR A 157 1 10 HELIX 9 9 THR A 157 THR A 166 1 10 HELIX 10 10 GLY A 180 LYS A 194 1 15 HELIX 11 11 ASP A 233 VAL A 237 5 5 HELIX 12 12 GLY A 244 GLY A 260 1 17 HELIX 13 13 GLY A 264 ARG A 279 1 16 HELIX 14 14 ARG A 280 ALA A 284 5 5 HELIX 15 15 GLY A 296 LEU A 300 5 5 SHEET 1 AA 6 LEU A 16 ARG A 18 0 SHEET 2 AA 6 ASP A 29 LEU A 34 -1 O ALA A 32 N VAL A 17 SHEET 3 AA 6 LEU A 287 LEU A 292 1 O ILE A 288 N VAL A 31 SHEET 4 AA 6 ILE A 172 GLY A 176 1 O ILE A 172 N VAL A 289 SHEET 5 AA 6 ARG A 198 PRO A 204 1 O ARG A 198 N VAL A 173 SHEET 6 AA 6 GLU A 239 VAL A 243 1 O GLU A 239 N ALA A 201 SHEET 1 AB 4 GLU A 112 THR A 116 0 SHEET 2 AB 4 ARG A 89 PRO A 95 1 O CYS A 90 N GLU A 112 SHEET 3 AB 4 ILE A 66 PRO A 70 1 O ILE A 67 N VAL A 91 SHEET 4 AB 4 TYR A 139 PHE A 140 1 O PHE A 140 N LEU A 68 LINK NZ LYS A 44 C4A PLP A1301 1555 1555 1.58 SITE 1 AC1 19 LYS A 44 ASN A 74 GLY A 176 VAL A 177 SITE 2 AC1 19 GLY A 178 THR A 179 GLY A 180 GLY A 181 SITE 3 AC1 19 THR A 182 GLN A 221 GLY A 222 ILE A 223 SITE 4 AC1 19 SER A 266 PRO A 293 ASP A 294 HOH A2033 SITE 5 AC1 19 HOH A2054 HOH A2062 HOH A2065 SITE 1 AC2 14 THR A 71 SER A 72 GLY A 73 ILE A 126 SITE 2 AC2 14 GLN A 144 PHE A 145 LYS A 215 GLY A 222 SITE 3 AC2 14 GLY A 224 ALA A 225 PHE A 227 HOH A2023 SITE 4 AC2 14 HOH A2073 HOH A2078 SITE 1 AC3 5 LEU A 249 ALA A 252 ARG A 253 VAL A 263 SITE 2 AC3 5 GLY A 296 SITE 1 AC4 3 ASP A 247 GLN A 276 ARG A 279 CRYST1 71.820 71.820 179.630 90.00 90.00 90.00 P 41 21 2 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 0.013924 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013924 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005567 0.00000