HEADER OXIDOREDUCTASE 25-FEB-21 7NNX TITLE E. COLI NFSA WITH 1,4-BENZOQUINONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: OXYGEN-INSENSITIVE NADPH NITROREDUCTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MODULATOR OF DRUG ACTIVITY A; COMPND 5 EC: 1.-.-.-; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: CYS90 HAS BEEN MODIFIED BY REACTION WITH 1,4 COMPND 8 BENZOQUINONE TO GIVE A QUINOL ADDUCT. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI (STRAIN K12); SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 GENE: NFSA, MDA18, MDAA, YBJB, B0851, JW0835; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PPS1341A1 KEYWDS COMPLEX WITH BENZOQUINONE SUBSTRATE, FLAVOPROTEIN, NITROREDUCTASE, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.D.DAY,D.JARROM,E.I.HYDE,S.A.WHITE REVDAT 3 16-OCT-24 7NNX 1 REMARK REVDAT 2 31-JAN-24 7NNX 1 REMARK REVDAT 1 21-JUL-21 7NNX 0 JRNL AUTH M.A.DAY,D.JARROM,A.J.CHRISTOFFERSON,A.E.GRAZIANO, JRNL AUTH 2 J.L.R.ANDERSON,P.F.SEARLE,E.I.HYDE,S.A.WHITE JRNL TITL THE STRUCTURES OF E. COLI NFSA BOUND TO THE ANTIBIOTIC JRNL TITL 2 NITROFURANTOIN; TO 1,4-BENZOQUINONE AND TO FMN. JRNL REF BIOCHEM.J. V. 478 2601 2021 JRNL REFN ESSN 1470-8728 JRNL PMID 34142705 JRNL DOI 10.1042/BCJ20210160 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.59 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 22647 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 + TEST SET) : 0.142 REMARK 3 R VALUE (WORKING SET) : 0.141 REMARK 3 FREE R VALUE : 0.170 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1170 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1417 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.63 REMARK 3 BIN R VALUE (WORKING SET) : 0.1940 REMARK 3 BIN FREE R VALUE SET COUNT : 64 REMARK 3 BIN FREE R VALUE : 0.2310 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1875 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 64 REMARK 3 SOLVENT ATOMS : 258 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.84 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.09000 REMARK 3 B22 (A**2) : -1.99000 REMARK 3 B33 (A**2) : 0.34000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.48000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.105 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.096 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.063 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.527 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.965 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.945 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2171 ; 0.008 ; 0.017 REMARK 3 BOND LENGTHS OTHERS (A): 2060 ; 0.001 ; 0.019 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2968 ; 1.260 ; 1.869 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4750 ; 1.089 ; 2.661 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 281 ; 5.578 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 115 ;35.293 ;22.261 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 364 ;11.955 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 16 ;19.802 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 324 ; 0.080 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2561 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 501 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 240 REMARK 3 ORIGIN FOR THE GROUP (A): 3.9900 -25.4660 7.2140 REMARK 3 T TENSOR REMARK 3 T11: 0.0779 T22: 0.1207 REMARK 3 T33: 0.0084 T12: -0.0053 REMARK 3 T13: -0.0225 T23: -0.0007 REMARK 3 L TENSOR REMARK 3 L11: 0.7091 L22: 0.3334 REMARK 3 L33: 1.2884 L12: -0.0844 REMARK 3 L13: 0.1476 L23: 0.0483 REMARK 3 S TENSOR REMARK 3 S11: -0.0353 S12: -0.0970 S13: 0.0218 REMARK 3 S21: 0.0650 S22: 0.0078 S23: -0.0199 REMARK 3 S31: -0.1511 S32: 0.0541 S33: 0.0276 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.10 REMARK 3 ION PROBE RADIUS : 0.70 REMARK 3 SHRINKAGE RADIUS : 0.70 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: U VALUES : WITH TLS ADDED HYDROGENS REMARK 3 HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : RESIDUAL ONLY REMARK 4 REMARK 4 7NNX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-FEB-21. REMARK 100 THE DEPOSITION ID IS D_1292114369. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-AUG-11 REMARK 200 TEMPERATURE (KELVIN) : 100 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU SATURN 944 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23824 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 46.590 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 11.40 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 24.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.35000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1F5V REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG 3000, 100 MM IMIDAZOLE PH 7.0, REMARK 280 20% DMSO, 10 MM 1,4 BENZOQUINONE, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-Z 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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 45.88350 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.98150 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 45.88350 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.98150 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: 14300 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18150 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -79.0 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 0.00000 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 ARG A 12 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 208 CG CD NE CZ NH1 NH2 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 GLN A 44 67.24 38.36 REMARK 500 ASN A 179 -40.49 72.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7NB9 RELATED DB: PDB REMARK 900 THE SAME PROTEIN BOUND TO NITROFURANTOIN REMARK 900 RELATED ID: 7NIY RELATED DB: PDB REMARK 900 THE SAME PROTEIN BOUND TO A SECOND FMN REMARK 900 RELATED ID: 7NMP RELATED DB: PDB REMARK 900 THE SAME PROTEIN BOUND TO HYDROQUINONE DBREF 7NNX A 1 240 UNP P17117 NFSA_ECOLI 1 240 SEQRES 1 A 240 MET THR PRO THR ILE GLU LEU ILE CYS GLY HIS ARG SER SEQRES 2 A 240 ILE ARG HIS PHE THR ASP GLU PRO ILE SER GLU ALA GLN SEQRES 3 A 240 ARG GLU ALA ILE ILE ASN SER ALA ARG ALA THR SER SER SEQRES 4 A 240 SER SER PHE LEU GLN CYS SER SER ILE ILE ARG ILE THR SEQRES 5 A 240 ASP LYS ALA LEU ARG GLU GLU LEU VAL THR LEU THR GLY SEQRES 6 A 240 GLY GLN LYS HIS VAL ALA GLN ALA ALA GLU PHE TRP VAL SEQRES 7 A 240 PHE CYS ALA ASP PHE ASN ARG HIS LEU GLN ILE CYS PRO SEQRES 8 A 240 ASP ALA GLN LEU GLY LEU ALA GLU GLN LEU LEU LEU GLY SEQRES 9 A 240 VAL VAL ASP THR ALA MET MET ALA GLN ASN ALA LEU ILE SEQRES 10 A 240 ALA ALA GLU SER LEU GLY LEU GLY GLY VAL TYR ILE GLY SEQRES 11 A 240 GLY LEU ARG ASN ASN ILE GLU ALA VAL THR LYS LEU LEU SEQRES 12 A 240 LYS LEU PRO GLN HIS VAL LEU PRO LEU PHE GLY LEU CYS SEQRES 13 A 240 LEU GLY TRP PRO ALA ASP ASN PRO ASP LEU LYS PRO ARG SEQRES 14 A 240 LEU PRO ALA SER ILE LEU VAL HIS GLU ASN SER TYR GLN SEQRES 15 A 240 PRO LEU ASP LYS GLY ALA LEU ALA GLN TYR ASP GLU GLN SEQRES 16 A 240 LEU ALA GLU TYR TYR LEU THR ARG GLY SER ASN ASN ARG SEQRES 17 A 240 ARG ASP THR TRP SER ASP HIS ILE ARG ARG THR ILE ILE SEQRES 18 A 240 LYS GLU SER ARG PRO PHE ILE LEU ASP TYR LEU HIS LYS SEQRES 19 A 240 GLN GLY TRP ALA THR ARG HET HQE A 301 13 HET FMN A 302 31 HET DMS A 303 4 HET EDO A 304 4 HET EDO A 305 4 HET CL A 306 1 HET EDO A 307 4 HET PLQ A 308 8 HETNAM HQE BENZENE-1,4-DIOL HETNAM FMN FLAVIN MONONUCLEOTIDE HETNAM DMS DIMETHYL SULFOXIDE HETNAM EDO 1,2-ETHANEDIOL HETNAM CL CHLORIDE ION HETNAM PLQ 1,4-BENZOQUINONE HETSYN FMN RIBOFLAVIN MONOPHOSPHATE HETSYN EDO ETHYLENE GLYCOL HETSYN PLQ CYCLOHEXA-2,5-DIENE-1,4-DIONE; QUINONE RING OF THE HETSYN 2 PLQ PLASTOQUINONE 9 FORMUL 2 HQE C6 H6 O2 FORMUL 3 FMN C17 H21 N4 O9 P FORMUL 4 DMS C2 H6 O S FORMUL 5 EDO 3(C2 H6 O2) FORMUL 7 CL CL 1- FORMUL 9 PLQ C6 H4 O2 FORMUL 10 HOH *258(H2 O) HELIX 1 AA1 THR A 2 GLY A 10 1 9 HELIX 2 AA2 SER A 23 ALA A 36 1 14 HELIX 3 AA3 SER A 39 LEU A 43 5 5 HELIX 4 AA4 ASP A 53 THR A 64 1 12 HELIX 5 AA5 LYS A 68 ALA A 73 1 6 HELIX 6 AA6 PHE A 83 CYS A 90 1 8 HELIX 7 AA7 LEU A 97 LEU A 122 1 26 HELIX 8 AA8 GLY A 130 ASN A 134 5 5 HELIX 9 AA9 ASN A 135 LEU A 143 1 9 HELIX 10 AB1 PRO A 171 VAL A 176 1 6 HELIX 11 AB2 ASP A 185 THR A 202 1 18 HELIX 12 AB3 THR A 211 ILE A 220 1 10 HELIX 13 AB4 PHE A 227 GLN A 235 1 9 SHEET 1 AA1 4 SER A 46 ARG A 50 0 SHEET 2 AA1 4 GLU A 75 ASP A 82 -1 O CYS A 80 N SER A 47 SHEET 3 AA1 4 VAL A 149 GLY A 158 -1 O LEU A 152 N PHE A 79 SHEET 4 AA1 4 GLY A 125 ILE A 129 -1 N GLY A 125 O GLY A 158 LINK SG CYS A 90 C2 HQE A 301 1555 1555 1.81 CRYST1 91.767 51.963 64.686 90.00 133.92 90.00 C 1 2 1 4 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 0.010897 0.000000 0.010494 0.00000 SCALE2 0.000000 0.019244 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021462 0.00000