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 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 MASTER 324 0 6 8 8 0 17 6 0 0 0 17 END