HEADER OXIDOREDUCTASE 09-NOV-00 1G79 TITLE X-RAY STRUCTURE OF ESCHERICHIA COLI PYRIDOXINE 5'-PHOSPHATE OXIDASE TITLE 2 COMPLEXED WITH PYRIDOXAL 5'-PHOSPHATE AT 2.0 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYRIDOXINE 5'-PHOSPHATE OXIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.4.3.5; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET22B KEYWDS PLP COMPLEX, FMN COMPLEX, PYRIDOXINE 5'-PHOSPHATE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.K.SAFO,F.N.MUSAYEV,M.L.DI SALVO,V.SCHIRCH REVDAT 6 09-AUG-23 1G79 1 REMARK REVDAT 5 04-OCT-17 1G79 1 REMARK REVDAT 4 13-JUL-11 1G79 1 VERSN REVDAT 3 24-FEB-09 1G79 1 VERSN REVDAT 2 01-AUG-01 1G79 1 JRNL REVDAT 1 29-NOV-00 1G79 0 JRNL AUTH M.K.SAFO,F.N.MUSAYEV,M.L.DI SALVO,V.SCHIRCH JRNL TITL X-RAY STRUCTURE OF ESCHERICHIA COLI PYRIDOXINE 5'-PHOSPHATE JRNL TITL 2 OXIDASE COMPLEXED WITH PYRIDOXAL 5'-PHOSPHATE AT 2.0 A JRNL TITL 3 RESOLUTION. JRNL REF J.MOL.BIOL. V. 310 817 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11453690 JRNL DOI 10.1006/JMBI.2001.4734 REMARK 2 REMARK 2 RESOLUTION. 2.00 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 AND HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 78166.340 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 20197 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) : 0.208 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1037 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3111 REMARK 3 BIN R VALUE (WORKING SET) : 0.2490 REMARK 3 BIN FREE R VALUE : 0.2520 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 177 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1642 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 77 REMARK 3 SOLVENT ATOMS : 144 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.90000 REMARK 3 B22 (A**2) : 3.90000 REMARK 3 B33 (A**2) : -7.80000 REMARK 3 B12 (A**2) : 3.14000 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) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.21 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.830 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) : 1.520 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.300 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.150 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.040 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 44.73 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 : PHOSPHATE.PARAM REMARK 3 PARAMETER FILE 3 : FMN.PARAM REMARK 3 PARAMETER FILE 4 : PLP.PARAM REMARK 3 PARAMETER FILE 5 : SEO.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : FMN.TOP REMARK 3 TOPOLOGY FILE 4 : PHOSPHATE.TOP REMARK 3 TOPOLOGY FILE 5 : PLP.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT CORRECTION REMARK 4 REMARK 4 1G79 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-NOV-00. REMARK 100 THE DEPOSITION ID IS D_1000012321. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-MAR-00 REMARK 200 TEMPERATURE (KELVIN) : 98 REMARK 200 PH : 7.0 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) : L REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MSC MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BIOTEX REMARK 200 DATA SCALING SOFTWARE : BIOTEX REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20202 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 55.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 12.3000 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) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.25100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: LAUE REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1DNL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE AND MES, PH 7.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 41.45333 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 82.90667 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 82.90667 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 41.45333 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: THE BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTUED FROM CHAIN REMARK 300 A SYMMETRY PARTNER GENERATED BY THE TWO-FOLD AXIS 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: 9890 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17750 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -56.0 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 95.58000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 55.18314 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 41.45333 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 MET A 1 REMARK 465 SER A 2 REMARK 465 ASP A 3 REMARK 465 ASN A 4 REMARK 465 ASP A 5 REMARK 465 GLU A 6 REMARK 465 LEU A 7 REMARK 465 GLN A 8 REMARK 465 GLN A 9 REMARK 465 ILE A 10 REMARK 465 ALA A 11 REMARK 465 HIS A 12 REMARK 465 LEU A 13 REMARK 465 ARG A 14 REMARK 465 ARG A 15 REMARK 465 GLU A 16 REMARK 465 TYR A 17 REMARK 465 THR A 18 REMARK 465 LYS A 19 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 SER A 132 63.98 -104.22 REMARK 500 PRO A 134 126.96 -34.11 REMARK 500 GLN A 146 123.86 -29.88 REMARK 500 SER A 147 -16.33 83.45 REMARK 500 GLN A 168 -49.43 -18.12 REMARK 500 GLN A 169 65.26 -111.04 REMARK 500 GLU A 171 135.54 -172.79 REMARK 500 GLU A 195 158.87 -42.49 REMARK 500 HIS A 196 15.99 45.90 REMARK 500 ARG A 197 12.92 80.64 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 PO4 A 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 290 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMN A 250 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 260 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G76 RELATED DB: PDB REMARK 900 1G76 CONTAINS THE SAME PROTEIN COMPLEXED WITH THE SAME LIGAND. REMARK 900 HOWEVER, THE NUMBER OF BOUND LIGANDS DIFFER. REMARK 900 RELATED ID: 1G77 RELATED DB: PDB REMARK 900 1G77 CONTAINS THE SAME PROTEIN COMPLEXED WITH THE SAME LIGAND. REMARK 900 HOWEVER, THE NUMBER OF BOUND LIGANDS DIFFER. REMARK 900 RELATED ID: 1G78 RELATED DB: PDB REMARK 900 1G78 CONTAINS THE SAME PROTEIN COMPLEXED WITH THE SAME LIGAND. DBREF 1G79 A 1 218 UNP P28225 PDXH_ECOLI 1 218 SEQRES 1 A 218 MET SER ASP ASN ASP GLU LEU GLN GLN ILE ALA HIS LEU SEQRES 2 A 218 ARG ARG GLU TYR THR LYS GLY GLY LEU ARG ARG ARG ASP SEQRES 3 A 218 LEU PRO ALA ASP PRO LEU THR LEU PHE GLU ARG TRP LEU SEQRES 4 A 218 SER GLN ALA CYS GLU ALA LYS LEU ALA ASP PRO THR ALA SEQRES 5 A 218 MET VAL VAL ALA THR VAL ASP GLU HIS GLY GLN PRO TYR SEQRES 6 A 218 GLN ARG ILE VAL LEU LEU LYS HIS TYR ASP GLU LYS GLY SEQRES 7 A 218 MET VAL PHE TYR THR ASN LEU GLY SER ARG LYS ALA HIS SEQRES 8 A 218 GLN ILE GLU ASN ASN PRO ARG VAL SER LEU LEU PHE PRO SEQRES 9 A 218 TRP HIS THR LEU GLU ARG GLN VAL MET VAL ILE GLY LYS SEQRES 10 A 218 ALA GLU ARG LEU SER THR LEU GLU VAL MET LYS TYR PHE SEQRES 11 A 218 HIS SER ARG PRO ARG ASP SER GLN ILE GLY ALA TRP VAL SEQRES 12 A 218 SER LYS GLN SER SER ARG ILE SER ALA ARG GLY ILE LEU SEQRES 13 A 218 GLU SER LYS PHE LEU GLU LEU LYS GLN LYS PHE GLN GLN SEQRES 14 A 218 GLY GLU VAL PRO LEU PRO SER PHE TRP GLY GLY PHE ARG SEQRES 15 A 218 VAL SER LEU GLU GLN ILE GLU PHE TRP GLN GLY GLY GLU SEQRES 16 A 218 HIS ARG LEU HIS ASP ARG PHE LEU TYR GLN ARG GLU ASN SEQRES 17 A 218 ASP ALA TRP LYS ILE ASP ARG LEU ALA PRO HET PO4 A 280 5 HET PO4 A 290 5 HET FMN A 250 31 HET PLP A 260 16 HET PLP A 270 32 HET BME A 300 4 HETNAM PO4 PHOSPHATE ION HETNAM FMN FLAVIN MONONUCLEOTIDE HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM BME BETA-MERCAPTOETHANOL HETSYN FMN RIBOFLAVIN MONOPHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 PO4 2(O4 P 3-) FORMUL 4 FMN C17 H21 N4 O9 P FORMUL 5 PLP 2(C8 H10 N O6 P) FORMUL 7 BME C2 H6 O S FORMUL 8 HOH *144(H2 O) HELIX 1 1 ARG A 23 LEU A 27 5 5 HELIX 2 2 ASP A 30 ALA A 45 1 16 HELIX 3 3 SER A 87 ASN A 96 1 10 HELIX 4 4 HIS A 106 LEU A 108 5 3 HELIX 5 5 SER A 122 HIS A 131 1 10 HELIX 6 6 PRO A 134 SER A 144 1 11 HELIX 7 7 ALA A 152 PHE A 167 1 16 HELIX 8 8 GLY A 194 LEU A 198 5 5 SHEET 1 A 8 TRP A 211 ARG A 215 0 SHEET 2 A 8 ASP A 200 GLU A 207 -1 N ASP A 200 O GLN A 192 SHEET 3 A 8 TRP A 178 GLN A 192 -1 N ARG A 182 O GLU A 119 SHEET 4 A 8 ARG A 110 ARG A 120 -1 N ARG A 110 O TRP A 105 SHEET 5 A 8 ARG A 98 TRP A 105 -1 O SER A 100 N ALA A 56 SHEET 6 A 8 ALA A 52 VAL A 58 -1 N MET A 53 O VAL A 69 SHEET 7 A 8 PRO A 64 ASP A 75 -1 N TYR A 65 O THR A 57 SHEET 8 A 8 GLY A 78 ASN A 84 -1 O MET A 79 N VAL A 183 SITE 1 AC1 9 ARG A 23 ARG A 24 ARG A 120 ALA A 152 SITE 2 AC1 9 ARG A 153 ARG A 215 HOH A 311 HOH A 341 SITE 3 AC1 9 HOH A 350 SITE 1 AC2 4 SER A 148 ARG A 149 HOH A 369 HOH A 422 SITE 1 AC3 19 ARG A 67 ILE A 68 VAL A 69 LEU A 70 SITE 2 AC3 19 TYR A 82 THR A 83 SER A 87 ARG A 88 SITE 3 AC3 19 LYS A 89 GLN A 111 GLN A 146 SER A 147 SITE 4 AC3 19 TRP A 191 ARG A 201 PLP A 260 HOH A 308 SITE 5 AC3 19 HOH A 315 HOH A 330 HOH A 409 SITE 1 AC4 9 LYS A 72 TYR A 129 ARG A 133 GLN A 146 SITE 2 AC4 9 ARG A 197 HIS A 199 FMN A 250 HOH A 368 SITE 3 AC4 9 HOH A 405 SITE 1 AC5 15 ARG A 25 ASP A 26 LEU A 27 ASN A 84 SITE 2 AC5 15 TRP A 142 SER A 144 LYS A 145 LYS A 159 SITE 3 AC5 15 SER A 176 PHE A 177 HOH A 362 HOH A 373 SITE 4 AC5 15 HOH A 374 HOH A 395 HOH A 415 SITE 1 AC6 2 CYS A 43 PRO A 50 CRYST1 63.720 63.720 124.360 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 0.015694 0.009061 0.000000 0.00000 SCALE2 0.000000 0.018121 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008041 0.00000