HEADER TRANSFERASE 18-OCT-06 2ISQ TITLE CRYSTAL STRUCTURE OF O-ACETYLSERINE SULFHYDRYLASE FROM ARABIDOPSIS TITLE 2 THALIANA IN COMPLEX WITH C-TERMINAL PEPTIDE FROM ARABIDOPSIS SERINE TITLE 3 ACETYLTRANSFERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTEINE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: O-ACETYLSERINE SULFHYDRYLASE, O-ACETYLSERINE THIOL, -LYASE, COMPND 5 CSASE A, CS-A, OAS-TL A, CYS-3A, AT.OAS.5-8; COMPND 6 EC: 2.5.1.47; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: SERINE ACETYLTRANSFERASE 1; COMPND 10 CHAIN: B; COMPND 11 FRAGMENT: SAT PEPTIDE; COMPND 12 SYNONYM: ATSAT-1, SAT-P, ATSERAT2;1; COMPND 13 EC: 2.3.1.30; COMPND 14 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: THALE CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 GENE: OASA1; 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: PET28A-ATOASS; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 13 ORGANISM_COMMON: THALE CRESS; SOURCE 14 ORGANISM_TAXID: 3702; SOURCE 15 GENE: SAT1; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ALPHA BETA STRUCTRUAL DOMAIN, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.FRANCOIS,S.KUMARAN,J.M.JEZ REVDAT 3 13-JUL-11 2ISQ 1 VERSN REVDAT 2 24-FEB-09 2ISQ 1 VERSN REVDAT 1 13-FEB-07 2ISQ 0 JRNL AUTH J.A.FRANCOIS,S.KUMARAN,J.M.JEZ JRNL TITL STRUCTURAL BASIS FOR INTERACTION OF O-ACETYLSERINE JRNL TITL 2 SULFHYDRYLASE AND SERINE ACETYLTRANSFERASE IN THE JRNL TITL 3 ARABIDOPSIS CYSTEINE SYNTHASE COMPLEX. JRNL REF PLANT CELL V. 18 3647 2006 JRNL REFN ISSN 1040-4651 JRNL PMID 17194764 JRNL DOI 10.1105/TPC.106.047316 REMARK 2 REMARK 2 RESOLUTION. 2.80 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) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.00 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) (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 19828 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) : 0.188 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 991 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 : 2431 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 112 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) : 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.28 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 : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ISQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-OCT-06. REMARK 100 THE RCSB ID CODE IS RCSB039968. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 : ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER SMART 6000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : PROTEUM PLUS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19828 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 10.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.14500 REMARK 200 FOR THE DATA SET : 7.3600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.52600 REMARK 200 FOR SHELL : 2.010 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB 1Z7W REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 68.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5 M AMMONIUM SULFATE; 0.1 M PIPES, REMARK 280 PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 49.65750 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 52.43000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 52.43000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 74.48625 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 52.43000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 52.43000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 24.82875 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 52.43000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 52.43000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 74.48625 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 52.43000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 52.43000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 24.82875 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 49.65750 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 300 REMARK: PHYSIOLOGIC DIMER IS GENERATED BY CRYSTALLOGRAPHIC 2-FOLD REMARK 300 SYMMETRY. 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 9590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22730 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -77.0 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 350 BIOMT1 2 0.000000 -1.000000 0.000000 104.86000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 104.86000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -49.65750 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 PRO A 296 C - N - CA ANGL. DEV. = 10.3 DEGREES 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 ASN A 22 -71.48 -98.08 REMARK 500 SER A 43 -7.68 69.85 REMARK 500 GLU A 67 -53.70 -123.79 REMARK 500 THR A 74 123.28 -172.99 REMARK 500 MET A 101 116.32 -34.91 REMARK 500 SER A 102 154.20 -40.12 REMARK 500 GLN A 146 71.66 61.61 REMARK 500 SER A 210 44.41 -150.51 REMARK 500 THR A 305 173.25 -59.99 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 SO4 A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Z7W RELATED DB: PDB REMARK 900 ATOASS APOENZYME REMARK 900 RELATED ID: 1Z7Y RELATED DB: PDB REMARK 900 ATOASS K46A MUTANT DBREF 2ISQ A 3 322 UNP P47998 CYSK1_ARATH 3 322 DBREF 2ISQ B 900 907 UNP Q42588 SAT1_ARATH 307 314 SEQRES 1 A 320 SER ARG ILE ALA LYS ASP VAL THR GLU LEU ILE GLY ASN SEQRES 2 A 320 THR PRO LEU VAL TYR LEU ASN ASN VAL ALA GLU GLY CYS SEQRES 3 A 320 VAL GLY ARG VAL ALA ALA LYS LEU GLU MET MET GLU PRO SEQRES 4 A 320 CYS SER SER VAL LYS ASP ARG ILE GLY PHE SER MET ILE SEQRES 5 A 320 SER ASP ALA GLU LYS LYS GLY LEU ILE LYS PRO GLY GLU SEQRES 6 A 320 SER VAL LEU ILE GLU PRO THR SER GLY ASN THR GLY VAL SEQRES 7 A 320 GLY LEU ALA PHE THR ALA ALA ALA LYS GLY TYR LYS LEU SEQRES 8 A 320 ILE ILE THR MET PRO ALA SER MET SER THR GLU ARG ARG SEQRES 9 A 320 ILE ILE LEU LEU ALA PHE GLY VAL GLU LEU VAL LEU THR SEQRES 10 A 320 ASP PRO ALA LYS GLY MET LYS GLY ALA ILE ALA LYS ALA SEQRES 11 A 320 GLU GLU ILE LEU ALA LYS THR PRO ASN GLY TYR MET LEU SEQRES 12 A 320 GLN GLN PHE GLU ASN PRO ALA ASN PRO LYS ILE HIS TYR SEQRES 13 A 320 GLU THR THR GLY PRO GLU ILE TRP LYS GLY THR GLY GLY SEQRES 14 A 320 LYS ILE ASP GLY PHE VAL SER GLY ILE GLY THR GLY GLY SEQRES 15 A 320 THR ILE THR GLY ALA GLY LYS TYR LEU LYS GLU GLN ASN SEQRES 16 A 320 ALA ASN VAL LYS LEU TYR GLY VAL GLU PRO VAL GLU SER SEQRES 17 A 320 ALA ILE LEU SER GLY GLY LYS PRO GLY PRO HIS LYS ILE SEQRES 18 A 320 GLN GLY ILE GLY ALA GLY PHE ILE PRO SER VAL LEU ASN SEQRES 19 A 320 VAL ASP LEU ILE ASP GLU VAL VAL GLN VAL SER SER ASP SEQRES 20 A 320 GLU SER ILE ASP MET ALA ARG GLN LEU ALA LEU LYS GLU SEQRES 21 A 320 GLY LEU LEU VAL GLY ILE SER SER GLY ALA ALA ALA ALA SEQRES 22 A 320 ALA ALA ILE LYS LEU ALA GLN ARG PRO GLU ASN ALA GLY SEQRES 23 A 320 LYS LEU PHE VAL ALA ILE PHE PRO SER PHE GLY GLU ARG SEQRES 24 A 320 TYR LEU SER THR VAL LEU PHE ASP ALA THR ARG LYS GLU SEQRES 25 A 320 ALA GLU ALA MET THR PHE GLU ALA SEQRES 1 B 8 THR GLU TRP SER ASP TYR VAL ILE HET SO4 A 500 5 HET PLP A 400 15 HETNAM SO4 SULFATE ION HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 SO4 O4 S 2- FORMUL 4 PLP C8 H10 N O6 P FORMUL 5 HOH *112(H2 O) HELIX 1 1 ASP A 8 ILE A 13 5 6 HELIX 2 2 MET A 38 GLU A 40 5 3 HELIX 3 3 VAL A 45 LYS A 60 1 16 HELIX 4 4 GLY A 76 GLY A 90 1 15 HELIX 5 5 THR A 103 PHE A 112 1 10 HELIX 6 6 ASP A 120 ALA A 122 5 3 HELIX 7 7 LYS A 123 THR A 139 1 17 HELIX 8 8 PRO A 151 THR A 160 1 10 HELIX 9 9 THR A 160 THR A 169 1 10 HELIX 10 10 GLY A 183 ASN A 197 1 15 HELIX 11 11 GLU A 209 GLY A 215 5 7 HELIX 12 12 ASN A 236 ILE A 240 5 5 HELIX 13 13 SER A 247 GLY A 263 1 17 HELIX 14 14 GLY A 267 ARG A 283 1 17 HELIX 15 15 PRO A 284 ALA A 287 5 4 HELIX 16 16 PHE A 298 LEU A 303 5 6 HELIX 17 17 THR A 305 LEU A 307 5 3 HELIX 18 18 PHE A 308 MET A 318 1 11 SHEET 1 A 6 LEU A 18 TYR A 20 0 SHEET 2 A 6 ARG A 31 LEU A 36 -1 O ALA A 34 N VAL A 19 SHEET 3 A 6 LEU A 290 PHE A 295 1 O PHE A 291 N ARG A 31 SHEET 4 A 6 ILE A 173 GLY A 179 1 N ASP A 174 O LEU A 290 SHEET 5 A 6 LYS A 201 PRO A 207 1 O TYR A 203 N SER A 178 SHEET 6 A 6 GLU A 242 VAL A 246 1 O VAL A 244 N GLY A 204 SHEET 1 B 4 GLU A 115 THR A 119 0 SHEET 2 B 4 LYS A 92 PRO A 98 1 N LEU A 93 O GLU A 115 SHEET 3 B 4 VAL A 69 PRO A 73 1 N LEU A 70 O ILE A 94 SHEET 4 B 4 GLY A 142 MET A 144 1 O TYR A 143 N ILE A 71 LINK NZ LYS A 46 C4A PLP A 400 1555 1555 1.24 SITE 1 AC1 2 THR A 305 VAL A 306 SITE 1 AC2 16 LYS A 46 ASN A 77 GLY A 179 ILE A 180 SITE 2 AC2 16 GLY A 181 THR A 182 GLY A 183 THR A 185 SITE 3 AC2 16 GLY A 225 SER A 269 PRO A 296 SER A 297 SITE 4 AC2 16 TYR A 302 HOH A 503 HOH A 565 HOH B 6 CRYST1 104.860 104.860 99.315 90.00 90.00 90.00 P 43 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 0.009537 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009537 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010069 0.00000 MASTER 294 0 2 18 10 0 5 6 0 0 0 26 END