HEADER TRANSFERASE 13-FEB-07 2ECO TITLE CRYSTAL STRUCTURE OF T.TH. HB8 O-ACETYLSERINE SULFHYDRYLASE COMPLEXED TITLE 2 WITH 4-METHYLVALERATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: O-ACETYLSERINE (THIOL)-LYASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: O-ACETYLSERINE SULFHYDRYLASE, CYSTEINE SYNTHASE; COMPND 5 EC: 2.5.1.47; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 300852; SOURCE 4 STRAIN: HB8; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21-CODONPLUS(DE3)-RP; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-20B KEYWDS PLP-DEPENDENT, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.GOTO REVDAT 3 13-JUL-11 2ECO 1 VERSN REVDAT 2 24-FEB-09 2ECO 1 VERSN REVDAT 1 19-FEB-08 2ECO 0 JRNL AUTH M.GOTO JRNL TITL CRYSTAL STRUCTURE OF T.TH. HB8 O-ACETYLSERINE SULFHYDRYLASE JRNL TITL 2 COMPLEXED WITH 4-METHYLVALERATE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1706618.660 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 39346 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) : 0.187 REMARK 3 FREE R VALUE : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3961 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5375 REMARK 3 BIN R VALUE (WORKING SET) : 0.2440 REMARK 3 BIN FREE R VALUE : 0.2730 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 629 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.011 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2292 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 301 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.46000 REMARK 3 B22 (A**2) : 0.46000 REMARK 3 B33 (A**2) : -0.92000 REMARK 3 B12 (A**2) : 0.83000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.14 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.17 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.30 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.76 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) : 1.170 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.750 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 21.660; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 12.110; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 55.95 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : 4MV.PARAM REMARK 3 PARAMETER FILE 4 : PLP.PARAM REMARK 3 PARAMETER FILE 5 : ETC.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WAT.TOP REMARK 3 TOPOLOGY FILE 3 : 4MV.TOP REMARK 3 TOPOLOGY FILE 4 : PLP.TOP REMARK 3 TOPOLOGY FILE 5 : INTSHIFF.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ECO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-FEB-07. REMARK 100 THE RCSB ID CODE IS RCSB026502. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-MAR-02 REMARK 200 TEMPERATURE (KELVIN) : 100 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 : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39346 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 45.290 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.1 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1VE1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.81 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, TRIS-HCL, GLYCEROL, REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.63300 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 53.26600 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 53.26600 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.63300 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: 4220 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21860 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 -0.500000 -0.866025 0.000000 156.90000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 90.58626 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 26.63300 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 GLU A 303 REMARK 465 PRO A 304 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 MET A 96 CG SD CE REMARK 470 ARG A 119 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 161 CG CD OE1 OE2 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 280 C - N - CA ANGL. DEV. = 11.0 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 LEU A 33 34.07 -87.10 REMARK 500 ASP A 115 109.69 -39.14 REMARK 500 ARG A 119 -129.34 36.16 REMARK 500 THR A 154 -61.28 -124.51 REMARK 500 SER A 204 59.12 -148.65 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 574 DISTANCE = 5.04 ANGSTROMS REMARK 525 HOH A 684 DISTANCE = 6.17 ANGSTROMS REMARK 525 HOH A 693 DISTANCE = 5.03 ANGSTROMS 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 413 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 4MV A 414 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ECQ RELATED DB: PDB DBREF 2ECO A 1 304 UNP Q5SLE6 Q5SLE6_THET8 1 304 SEQRES 1 A 304 MET ARG VAL GLU GLY ALA ILE GLY LYS THR PRO VAL VAL SEQRES 2 A 304 ARG LEU ALA LYS VAL VAL GLU PRO ASP MET ALA GLU VAL SEQRES 3 A 304 TRP VAL LYS LEU GLU GLY LEU ASN PRO GLY GLY SER ILE SEQRES 4 A 304 LYS ASP ARG PRO ALA TRP TYR MET ILE LYS ASP ALA GLU SEQRES 5 A 304 GLU ARG GLY ILE LEU ARG PRO GLY SER GLY GLN VAL ILE SEQRES 6 A 304 VAL GLU PRO THR SER GLY ASN THR GLY ILE GLY LEU ALA SEQRES 7 A 304 MET ILE ALA ALA SER ARG GLY TYR ARG LEU ILE LEU THR SEQRES 8 A 304 MET PRO ALA GLN MET SER GLU GLU ARG LYS ARG VAL LEU SEQRES 9 A 304 LYS ALA PHE GLY ALA GLU LEU VAL LEU THR ASP PRO GLU SEQRES 10 A 304 ARG ARG MET LEU ALA ALA ARG GLU GLU ALA LEU ARG LEU SEQRES 11 A 304 LYS GLU GLU LEU GLY ALA PHE MET PRO ASP GLN PHE LYS SEQRES 12 A 304 ASN PRO ALA ASN VAL ARG ALA HIS TYR GLU THR THR GLY SEQRES 13 A 304 PRO GLU LEU TYR GLU ALA LEU GLU GLY ARG ILE ASP ALA SEQRES 14 A 304 PHE VAL TYR GLY SER GLY THR GLY GLY THR ILE THR GLY SEQRES 15 A 304 VAL GLY ARG TYR LEU LYS GLU ARG ILE PRO HIS VAL LYS SEQRES 16 A 304 VAL ILE ALA VAL GLU PRO ALA ARG SER ASN VAL LEU SER SEQRES 17 A 304 GLY GLY LYS MET GLY GLN HIS GLY PHE GLN GLY MET GLY SEQRES 18 A 304 PRO GLY PHE ILE PRO GLU ASN LEU ASP LEU SER LEU LEU SEQRES 19 A 304 ASP GLY VAL ILE GLN VAL TRP GLU GLU ASP ALA PHE PRO SEQRES 20 A 304 LEU ALA ARG ARG LEU ALA ARG GLU GLU GLY LEU PHE LEU SEQRES 21 A 304 GLY MET SER SER GLY GLY ILE VAL TRP ALA ALA LEU GLN SEQRES 22 A 304 VAL ALA ARG GLU LEU GLY PRO GLY LYS ARG VAL ALA CYS SEQRES 23 A 304 ILE SER PRO ASP GLY GLY TRP LYS TYR LEU SER THR PRO SEQRES 24 A 304 LEU TYR ALA GLU PRO HET PLP A 413 15 HET 4MV A 414 8 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM 4MV 4-METHYL VALERIC ACID HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 PLP C8 H10 N O6 P FORMUL 3 4MV C6 H12 O2 FORMUL 4 HOH *301(H2 O) HELIX 1 1 ARG A 2 ILE A 7 5 6 HELIX 2 2 GLY A 32 ASN A 34 5 3 HELIX 3 3 LYS A 40 ARG A 54 1 15 HELIX 4 4 GLY A 71 GLY A 85 1 15 HELIX 5 5 SER A 97 PHE A 107 1 11 HELIX 6 6 ASP A 115 GLU A 117 5 3 HELIX 7 7 ARG A 118 GLY A 135 1 18 HELIX 8 8 ASN A 144 THR A 154 1 11 HELIX 9 9 THR A 154 LEU A 163 1 10 HELIX 10 10 GLY A 177 GLU A 189 1 13 HELIX 11 11 ARG A 203 ASN A 205 5 3 HELIX 12 12 ASP A 230 LEU A 234 5 5 HELIX 13 13 TRP A 241 GLY A 257 1 17 HELIX 14 14 GLY A 261 GLY A 279 1 19 HELIX 15 15 GLY A 291 TYR A 295 5 5 SHEET 1 A 6 VAL A 12 ARG A 14 0 SHEET 2 A 6 GLU A 25 LEU A 30 -1 O VAL A 28 N VAL A 13 SHEET 3 A 6 ARG A 283 SER A 288 1 O SER A 288 N LYS A 29 SHEET 4 A 6 ALA A 169 GLY A 173 1 N ALA A 169 O ALA A 285 SHEET 5 A 6 LYS A 195 PRO A 201 1 O LYS A 195 N PHE A 170 SHEET 6 A 6 GLY A 236 VAL A 240 1 O ILE A 238 N ALA A 198 SHEET 1 B 3 VAL A 64 PRO A 68 0 SHEET 2 B 3 ARG A 87 PRO A 93 1 O ARG A 87 N ILE A 65 SHEET 3 B 3 GLU A 110 THR A 114 1 O GLU A 110 N LEU A 88 LINK NZ LYS A 40 C4A PLP A 413 1555 1555 1.36 SITE 1 AC1 17 LYS A 40 ASN A 72 TYR A 172 GLY A 173 SITE 2 AC1 17 GLY A 175 THR A 176 GLY A 177 GLY A 178 SITE 3 AC1 17 THR A 179 GLN A 218 GLY A 219 SER A 263 SITE 4 AC1 17 PRO A 289 ASP A 290 4MV A 414 HOH A 418 SITE 5 AC1 17 HOH A 425 SITE 1 AC2 11 THR A 69 GLY A 71 ASN A 72 THR A 73 SITE 2 AC2 11 GLN A 141 PHE A 142 GLY A 175 THR A 176 SITE 3 AC2 11 GLY A 219 PLP A 413 HOH A 664 CRYST1 104.600 104.600 79.899 90.00 90.00 120.00 P 31 2 1 6 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 0.009560 0.005520 0.000000 0.00000 SCALE2 0.000000 0.011039 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012516 0.00000