PDB Short entry for 3HY8 HEADER OXIDOREDUCTASE 22-JUN-09 3HY8 TITLE CRYSTAL STRUCTURE OF HUMAN PYRIDOXINE 5'-PHOSPHATE OXIDASE R229W TITLE 2 MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYRIDOXINE-5'-PHOSPHATE OXIDASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PYRIDOXAMINE-PHOSPHATE OXIDASE; COMPND 5 EC: 1.4.3.5; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: PNPO; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA(LAMBDADE3)PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS FMN BINDING PROTEIN, OXIDASE, DISEASE MUTATION, EPILEPSY, KEYWDS 2 FLAVOPROTEIN, FMN, OXIDOREDUCTASE, PHOSPHOPROTEIN, PYRIDOXAL KEYWDS 3 PHOSPHATE, PYRIDOXINE BIOSYNTHESIS EXPDTA X-RAY DIFFRACTION AUTHOR M.K.SAFO,F.N.MUSAYEV,M.L.DI SALVO,M.K.SAAVEDRA,V.SCHIRCH REVDAT 5 06-SEP-23 3HY8 1 REMARK REVDAT 4 13-OCT-21 3HY8 1 REMARK SEQADV REVDAT 3 13-JUL-11 3HY8 1 VERSN REVDAT 2 15-DEC-09 3HY8 1 JRNL REVDAT 1 28-JUL-09 3HY8 0 JRNL AUTH F.N.MUSAYEV,M.L.DI SALVO,M.A.SAAVEDRA,R.CONTESTABILE, JRNL AUTH 2 M.S.GHATGE,A.HAYNES,V.SCHIRCH,M.K.SAFO JRNL TITL MOLECULAR BASIS OF REDUCED PYRIDOXINE 5'-PHOSPHATE OXIDASE JRNL TITL 2 CATALYTIC ACTIVITY IN NEONATAL EPILEPTIC ENCEPHALOPATHY JRNL TITL 3 DISORDER JRNL REF J.BIOL.CHEM. V. 284 30949 2009 JRNL REFN ISSN 0021-9258 JRNL PMID 19759001 JRNL DOI 10.1074/JBC.M109.038372 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.02 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1931652.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 8195 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) : 0.226 REMARK 3 FREE R VALUE : 0.287 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 382 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.015 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.61 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 946 REMARK 3 BIN R VALUE (WORKING SET) : 0.3240 REMARK 3 BIN FREE R VALUE : 0.3990 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 54 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.054 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1732 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 62 REMARK 3 SOLVENT ATOMS : 50 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 62.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.29 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.31000 REMARK 3 B22 (A**2) : 0.31000 REMARK 3 B33 (A**2) : -0.63000 REMARK 3 B12 (A**2) : 8.31000 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) : 0.33 REMARK 3 ESD FROM SIGMAA (A) : 0.36 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) : 0.47 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.48 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.960 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) : 5.450 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 7.380 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 7.300 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 9.290 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 45.78 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 3HY8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JUN-09. REMARK 100 THE DEPOSITION ID IS D_1000053729. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-OCT-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.7 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 MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8215 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 35.630 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 9.660 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 22.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 9.79 REMARK 200 R MERGE FOR SHELL (I) : 0.33000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1NRG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MONO-AMMONIUM DIHYDROGEN PHOSPHATE, REMARK 280 SODIUM CITRATE, PH 5.7, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 295K 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 19.59600 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 39.19200 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 39.19200 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 19.59600 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 REMARK 350 TOTAL BURIED SURFACE AREA: 9420 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -81.0 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 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 39.19200 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 THR A 2 REMARK 465 CYS A 3 REMARK 465 TRP A 4 REMARK 465 LEU A 5 REMARK 465 ARG A 6 REMARK 465 GLY A 7 REMARK 465 VAL A 8 REMARK 465 THR A 9 REMARK 465 ALA A 10 REMARK 465 THR A 11 REMARK 465 PHE A 12 REMARK 465 GLY A 13 REMARK 465 ARG A 14 REMARK 465 PRO A 15 REMARK 465 ALA A 16 REMARK 465 GLU A 17 REMARK 465 TRP A 18 REMARK 465 PRO A 19 REMARK 465 GLY A 20 REMARK 465 TYR A 21 REMARK 465 LEU A 22 REMARK 465 SER A 23 REMARK 465 HIS A 24 REMARK 465 LEU A 25 REMARK 465 CYS A 26 REMARK 465 GLY A 27 REMARK 465 ARG A 28 REMARK 465 SER A 29 REMARK 465 ALA A 30 REMARK 465 ALA A 31 REMARK 465 MET A 32 REMARK 465 ASP A 33 REMARK 465 LEU A 34 REMARK 465 GLY A 35 REMARK 465 PRO A 36 REMARK 465 MET A 37 REMARK 465 ARG A 38 REMARK 465 LYS A 39 REMARK 465 SER A 40 REMARK 465 TYR A 41 REMARK 465 ARG A 42 REMARK 465 GLY A 43 REMARK 465 ASP A 44 REMARK 465 ARG A 45 REMARK 465 GLU A 46 REMARK 465 ALA A 47 REMARK 465 GLY A 239 REMARK 465 ASP A 240 REMARK 465 SER A 241 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 GLU A 49 90.94 -50.22 REMARK 500 THR A 51 -65.98 -11.05 REMARK 500 HIS A 52 21.78 153.31 REMARK 500 GLU A 77 77.95 -107.26 REMARK 500 LYS A 100 79.64 -116.58 REMARK 500 ASN A 124 82.41 -170.34 REMARK 500 PRO A 125 41.59 -61.19 REMARK 500 GLN A 174 127.57 -32.06 REMARK 500 SER A 175 -2.73 86.67 REMARK 500 PRO A 213 94.73 -44.70 REMARK 500 ARG A 225 -6.50 74.52 REMARK 500 LEU A 236 -82.13 -93.41 REMARK 500 PRO A 237 63.93 1.06 REMARK 500 GLU A 252 -137.57 55.60 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 FMN A 390 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 350 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 360 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 370 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 380 DBREF 3HY8 A 1 261 UNP Q9NVS9 PNPO_HUMAN 1 261 SEQADV 3HY8 TRP A 229 UNP Q9NVS9 ARG 229 ENGINEERED MUTATION SEQRES 1 A 261 MET THR CYS TRP LEU ARG GLY VAL THR ALA THR PHE GLY SEQRES 2 A 261 ARG PRO ALA GLU TRP PRO GLY TYR LEU SER HIS LEU CYS SEQRES 3 A 261 GLY ARG SER ALA ALA MET ASP LEU GLY PRO MET ARG LYS SEQRES 4 A 261 SER TYR ARG GLY ASP ARG GLU ALA PHE GLU GLU THR HIS SEQRES 5 A 261 LEU THR SER LEU ASP PRO VAL LYS GLN PHE ALA ALA TRP SEQRES 6 A 261 PHE GLU GLU ALA VAL GLN CYS PRO ASP ILE GLY GLU ALA SEQRES 7 A 261 ASN ALA MET CYS LEU ALA THR CYS THR ARG ASP GLY LYS SEQRES 8 A 261 PRO SER ALA ARG MET LEU LEU LEU LYS GLY PHE GLY LYS SEQRES 9 A 261 ASP GLY PHE ARG PHE PHE THR ASN PHE GLU SER ARG LYS SEQRES 10 A 261 GLY LYS GLU LEU ASP SER ASN PRO PHE ALA SER LEU VAL SEQRES 11 A 261 PHE TYR TRP GLU PRO LEU ASN ARG GLN VAL ARG VAL GLU SEQRES 12 A 261 GLY PRO VAL LYS LYS LEU PRO GLU GLU GLU ALA GLU CYS SEQRES 13 A 261 TYR PHE HIS SER ARG PRO LYS SER SER GLN ILE GLY ALA SEQRES 14 A 261 VAL VAL SER HIS GLN SER SER VAL ILE PRO ASP ARG GLU SEQRES 15 A 261 TYR LEU ARG LYS LYS ASN GLU GLU LEU GLU GLN LEU TYR SEQRES 16 A 261 GLN ASP GLN GLU VAL PRO LYS PRO LYS SER TRP GLY GLY SEQRES 17 A 261 TYR VAL LEU TYR PRO GLN VAL MET GLU PHE TRP GLN GLY SEQRES 18 A 261 GLN THR ASN ARG LEU HIS ASP TRP ILE VAL PHE ARG ARG SEQRES 19 A 261 GLY LEU PRO THR GLY ASP SER PRO LEU GLY PRO MET THR SEQRES 20 A 261 HIS ARG GLY GLU GLU ASP TRP LEU TYR GLU ARG LEU ALA SEQRES 21 A 261 PRO HET FMN A 390 31 HET PLP A 350 16 HET PO4 A 360 5 HET PO4 A 370 5 HET PO4 A 380 5 HETNAM FMN FLAVIN MONONUCLEOTIDE HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM PO4 PHOSPHATE ION HETSYN FMN RIBOFLAVIN MONOPHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 FMN C17 H21 N4 O9 P FORMUL 3 PLP C8 H10 N O6 P FORMUL 4 PO4 3(O4 P 3-) FORMUL 7 HOH *50(H2 O) HELIX 1 1 ASP A 57 GLN A 71 1 15 HELIX 2 2 SER A 115 SER A 123 1 9 HELIX 3 3 GLU A 134 LEU A 136 5 3 HELIX 4 4 PRO A 150 HIS A 159 1 10 HELIX 5 5 PRO A 162 SER A 172 1 11 HELIX 6 6 ASP A 180 TYR A 195 1 16 SHEET 1 A 6 PRO A 92 LEU A 98 0 SHEET 2 A 6 ALA A 80 CYS A 86 -1 N MET A 81 O LEU A 97 SHEET 3 A 6 PHE A 126 TRP A 133 -1 O SER A 128 N ALA A 84 SHEET 4 A 6 ARG A 138 LYS A 148 -1 O VAL A 140 N PHE A 131 SHEET 5 A 6 TRP A 206 LEU A 211 -1 O VAL A 210 N LYS A 147 SHEET 6 A 6 PHE A 107 ASN A 112 -1 N PHE A 107 O LEU A 211 SHEET 1 B 8 PRO A 92 LEU A 98 0 SHEET 2 B 8 ALA A 80 CYS A 86 -1 N MET A 81 O LEU A 97 SHEET 3 B 8 PHE A 126 TRP A 133 -1 O SER A 128 N ALA A 84 SHEET 4 B 8 ARG A 138 LYS A 148 -1 O VAL A 140 N PHE A 131 SHEET 5 B 8 VAL A 215 GLN A 220 -1 O VAL A 215 N GLU A 143 SHEET 6 B 8 ASP A 228 ARG A 234 -1 O PHE A 232 N MET A 216 SHEET 7 B 8 TRP A 254 ARG A 258 -1 O LEU A 255 N ARG A 233 SHEET 8 B 8 HIS A 248 ARG A 249 -1 N HIS A 248 O TYR A 256 SITE 1 AC1 18 ARG A 95 MET A 96 LEU A 97 LEU A 98 SITE 2 AC1 18 PHE A 110 THR A 111 SER A 115 ARG A 116 SITE 3 AC1 18 LYS A 117 TYR A 132 GLN A 139 ARG A 141 SITE 4 AC1 18 GLN A 174 TRP A 219 TRP A 229 HOH A 308 SITE 5 AC1 18 PLP A 350 PO4 A 370 SITE 1 AC2 10 GLU A 77 LEU A 98 LYS A 100 ARG A 161 SITE 2 AC2 10 PRO A 162 SER A 165 TRP A 219 ARG A 225 SITE 3 AC2 10 HIS A 227 FMN A 390 SITE 1 AC3 6 LYS A 100 GLY A 101 ARG A 108 PHE A 110 SITE 2 AC3 6 GLU A 153 TYR A 157 SITE 1 AC4 6 ARG A 116 ARG A 141 GLU A 143 GLU A 217 SITE 2 AC4 6 TRP A 229 FMN A 390 SITE 1 AC5 5 SER A 55 LYS A 60 GLU A 251 HOH A 297 SITE 2 AC5 5 HOH A 320 CRYST1 82.270 82.270 58.788 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 0.012155 0.007018 0.000000 0.00000 SCALE2 0.000000 0.014035 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017010 0.00000