HEADER OXIDOREDUCTASE 09-NOV-00 1G78 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 7 15-NOV-23 1G78 1 REMARK REVDAT 6 09-AUG-23 1G78 1 REMARK SEQADV LINK REVDAT 5 04-OCT-17 1G78 1 REMARK REVDAT 4 13-JUL-11 1G78 1 VERSN REVDAT 3 24-FEB-09 1G78 1 VERSN REVDAT 2 01-AUG-01 1G78 1 JRNL REVDAT 1 29-NOV-00 1G78 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. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 58984.760 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 15193 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) : 0.218 REMARK 3 FREE R VALUE : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 766 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.34 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2326 REMARK 3 BIN R VALUE (WORKING SET) : 0.3050 REMARK 3 BIN FREE R VALUE : 0.3210 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 136 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.027 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 : 73 REMARK 3 SOLVENT ATOMS : 87 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.04000 REMARK 3 B22 (A**2) : 6.04000 REMARK 3 B33 (A**2) : -12.08000 REMARK 3 B12 (A**2) : 5.11000 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) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.34 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) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.36 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.810 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) : 1.290 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.110 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.090 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.950 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 55.65 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 : &_1_PARAMETER_INFILE_6 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 1G78 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_1000012320. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-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 : 15203 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 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 : 4.400 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : 5.90000 REMARK 200 FOR THE DATA SET : 9.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.30 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.22900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 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 (%): 55.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM FORMATE 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 41.48000 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 82.96000 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 82.96000 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 41.48000 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, WHICH WAS CONSTRUCTUED REMARK 300 FROM CHAIN A AND ITS 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: 9550 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 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 95.10000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 54.90601 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 41.48000 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 MSE 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 ASP A 49 69.72 32.84 REMARK 500 TRP A 105 40.00 -95.99 REMARK 500 GLN A 146 125.19 -28.37 REMARK 500 SER A 147 -13.76 81.45 REMARK 500 GLN A 168 -8.69 68.27 REMARK 500 GLN A 169 31.91 80.11 REMARK 500 GLU A 171 -6.49 168.44 REMARK 500 VAL A 172 105.59 51.47 REMARK 500 HIS A 196 16.21 54.85 REMARK 500 GLU A 207 70.57 -150.63 REMARK 500 ASN A 208 57.79 78.48 REMARK 500 ASP A 209 -6.15 71.21 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 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. DBREF 1G78 A 1 218 UNP P28225 PDXH_ECOLI 1 218 SEQADV 1G78 MSE A 1 UNP P28225 MET 0 MODIFIED RESIDUE SEQADV 1G78 MSE A 53 UNP P28225 MET 52 MODIFIED RESIDUE SEQADV 1G78 MSE A 79 UNP P28225 MET 78 MODIFIED RESIDUE SEQADV 1G78 MSE A 113 UNP P28225 MET 112 MODIFIED RESIDUE SEQADV 1G78 MSE A 127 UNP P28225 MET 126 MODIFIED RESIDUE SEQRES 1 A 218 MSE 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 MSE 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 MSE 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 MSE VAL ILE GLY LYS SEQRES 10 A 218 ALA GLU ARG LEU SER THR LEU GLU VAL MSE 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 MODRES 1G78 MSE A 53 MET SELENOMETHIONINE MODRES 1G78 MSE A 79 MET SELENOMETHIONINE MODRES 1G78 MSE A 113 MET SELENOMETHIONINE MODRES 1G78 MSE A 127 MET SELENOMETHIONINE HET MSE A 53 8 HET MSE A 79 8 HET MSE A 113 8 HET MSE A 127 10 HET PO4 A 280 5 HET PO4 A 290 5 HET FMN A 250 31 HET PLP A 260 16 HET PLP A 270 16 HETNAM MSE SELENOMETHIONINE HETNAM PO4 PHOSPHATE ION HETNAM FMN FLAVIN MONONUCLEOTIDE HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN FMN RIBOFLAVIN MONOPHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 1 MSE 4(C5 H11 N O2 SE) 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 HOH *87(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 TRP A 105 LEU A 108 5 4 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 ARG A 153 GLN A 168 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 ARG A 206 -1 N LEU A 203 O ASP A 214 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 O GLN A 111 N TRP A 191 SHEET 5 A 8 ARG A 98 PHE A 103 -1 N VAL A 99 O GLY A 116 SHEET 6 A 8 ALA A 52 VAL A 58 -1 N VAL A 54 O LEU A 102 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 MSE A 79 N VAL A 183 LINK C ALA A 52 N MSE A 53 1555 1555 1.32 LINK C MSE A 53 N VAL A 54 1555 1555 1.33 LINK C GLY A 78 N MSE A 79 1555 1555 1.33 LINK C MSE A 79 N VAL A 80 1555 1555 1.33 LINK C VAL A 112 N MSE A 113 1555 1555 1.33 LINK C MSE A 113 N VAL A 114 1555 1555 1.33 LINK C VAL A 126 N MSE A 127 1555 1555 1.33 LINK C MSE A 127 N LYS A 128 1555 1555 1.33 SITE 1 AC1 8 ARG A 23 ARG A 24 ARG A 120 ALA A 152 SITE 2 AC1 8 ARG A 153 ARG A 215 HOH A 311 HOH A 342 SITE 1 AC2 2 SER A 148 ARG A 149 SITE 1 AC3 18 ARG A 67 ILE A 68 VAL A 69 LEU A 70 SITE 2 AC3 18 TYR A 82 THR A 83 SER A 87 ARG A 88 SITE 3 AC3 18 LYS A 89 GLN A 111 GLN A 146 SER A 147 SITE 4 AC3 18 TRP A 191 ARG A 201 PLP A 260 HOH A 308 SITE 5 AC3 18 HOH A 315 HOH A 330 SITE 1 AC4 8 LYS A 72 TYR A 129 ARG A 133 SER A 137 SITE 2 AC4 8 ARG A 197 HIS A 199 PRO A 218 FMN A 250 SITE 1 AC5 9 ARG A 25 ASP A 26 ASN A 84 TRP A 142 SITE 2 AC5 9 SER A 144 LYS A 145 PHE A 177 HOH A 481 SITE 3 AC5 9 HOH A 491 CRYST1 63.400 63.400 124.440 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 0.015773 0.009106 0.000000 0.00000 SCALE2 0.000000 0.018213 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008036 0.00000