HEADER OXIDOREDUCTASE 10-AUG-07 2QX9 TITLE CRYSTAL STRUCTURE OF QUINONE REDUCTASE II COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBOSYLDIHYDRONICOTINAMIDE DEHYDROGENASE [QUINONE]; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: NRH DEHYDROGENASE [QUINONE] 2, QUINONE REDUCTASE 2, QR2, COMPND 5 NRH:QUINONE OXIDOREDUCTASE 2; COMPND 6 EC: 1.10.99.2; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 GENE: NQO2, NMOR2; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET23D KEYWDS OXIDOREDUCTASE, CYTOPLASM, FAD, FLAVOPROTEIN, METAL-BINDING, KEYWDS 2 POLYMORPHISM, ZINC EXPDTA X-RAY DIFFRACTION AUTHOR B.CALAMINI,B.D.SANTARSIERO,J.A.BOUTIN,A.D.MESECAR REVDAT 3 21-FEB-24 2QX9 1 REMARK REVDAT 2 24-FEB-09 2QX9 1 VERSN REVDAT 1 02-SEP-08 2QX9 0 JRNL AUTH B.CALAMINI,B.D.SANTARSIERO,J.A.BOUTIN,A.D.MESECAR JRNL TITL KINETIC, THERMODYNAMIC AND X-RAY STRUCTURAL INSIGHTS INTO JRNL TITL 2 THE INTERACTION OF MELATONIN AND ANALOGUES WITH QUINONE JRNL TITL 3 REDUCTASE 2. JRNL REF BIOCHEM.J. V. 413 81 2008 JRNL REFN ISSN 0264-6021 JRNL PMID 18254726 JRNL DOI 10.1042/BJ20071373 REMARK 2 REMARK 2 RESOLUTION. 2.31 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.31 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.9 REMARK 3 NUMBER OF REFLECTIONS : 19831 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.286 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 959 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3648 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 144 REMARK 3 SOLVENT ATOMS : 145 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.29 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.83 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 12.76800 REMARK 3 B22 (A**2) : 8.43300 REMARK 3 B33 (A**2) : -21.20100 REMARK 3 B12 (A**2) : 0.00000 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.900 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 65.99 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 4 : FAD.PAR REMARK 3 PARAMETER FILE 5 : MEL.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2QX9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-OCT-07. REMARK 100 THE DEPOSITION ID IS D_1000044159. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-FEB-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22987 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.190 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : 0.20300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.19 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 0.88800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: BISTRIS, NACL, AMMONIUM SULFATE, 2 REMARK 280 -IODOMELATONIN, DTT, FAD, GLYCEROL, PH 6.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 26.01250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.08900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.76400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.08900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.01250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.76400 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 300 REMARK: BIOLOGICAL UNIT IS A DIMER OF CHAINS A AND B IN THE REMARK 300 ASYMMETRIC UNIT 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: 8480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -27.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 16 174.25 -55.13 REMARK 500 SER A 107 -159.69 -140.06 REMARK 500 PHE A 124 -61.82 -95.61 REMARK 500 TYR A 132 -121.09 62.08 REMARK 500 THR A 175 -76.72 -109.66 REMARK 500 ALA A 191 60.65 19.14 REMARK 500 GLU A 198 23.37 -71.28 REMARK 500 GLU A 199 -52.36 -135.08 REMARK 500 LEU B 59 155.77 -46.99 REMARK 500 SER B 60 34.43 -90.12 REMARK 500 ASN B 61 62.48 143.24 REMARK 500 SER B 107 -153.70 -151.64 REMARK 500 TYR B 132 -109.13 59.00 REMARK 500 TYR B 155 49.51 -99.17 REMARK 500 ALA B 191 58.74 38.72 REMARK 500 CYS B 222 72.86 -60.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 231 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 173 ND1 REMARK 620 2 HIS A 177 ND1 101.2 REMARK 620 3 CYS A 222 O 103.7 107.5 REMARK 620 4 CYS A 222 SG 129.0 115.1 98.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 231 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 173 ND1 REMARK 620 2 HIS B 177 ND1 113.9 REMARK 620 3 CYS B 222 O 110.7 108.3 REMARK 620 4 CYS B 222 SG 118.1 121.8 75.9 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 231 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 231 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD A 232 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD B 232 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ML2 A 233 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ML2 A 234 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SG0 RELATED DB: PDB REMARK 900 RELATED ID: 2QX4 RELATED DB: PDB REMARK 900 RELATED ID: 2QX6 RELATED DB: PDB REMARK 900 RELATED ID: 2QX8 RELATED DB: PDB DBREF 2QX9 A 1 230 UNP P16083 NQO2_HUMAN 2 231 DBREF 2QX9 B 1 230 UNP P16083 NQO2_HUMAN 2 231 SEQRES 1 A 230 ALA GLY LYS LYS VAL LEU ILE VAL TYR ALA HIS GLN GLU SEQRES 2 A 230 PRO LYS SER PHE ASN GLY SER LEU LYS ASN VAL ALA VAL SEQRES 3 A 230 ASP GLU LEU SER ARG GLN GLY CYS THR VAL THR VAL SER SEQRES 4 A 230 ASP LEU TYR ALA MET ASN PHE GLU PRO ARG ALA THR ASP SEQRES 5 A 230 LYS ASP ILE THR GLY THR LEU SER ASN PRO GLU VAL PHE SEQRES 6 A 230 ASN TYR GLY VAL GLU THR HIS GLU ALA TYR LYS GLN ARG SEQRES 7 A 230 SER LEU ALA SER ASP ILE THR ASP GLU GLN LYS LYS VAL SEQRES 8 A 230 ARG GLU ALA ASP LEU VAL ILE PHE GLN PHE PRO LEU TYR SEQRES 9 A 230 TRP PHE SER VAL PRO ALA ILE LEU LYS GLY TRP MET ASP SEQRES 10 A 230 ARG VAL LEU CYS GLN GLY PHE ALA PHE ASP ILE PRO GLY SEQRES 11 A 230 PHE TYR ASP SER GLY LEU LEU GLN GLY LYS LEU ALA LEU SEQRES 12 A 230 LEU SER VAL THR THR GLY GLY THR ALA GLU MET TYR THR SEQRES 13 A 230 LYS THR GLY VAL ASN GLY ASP SER ARG TYR PHE LEU TRP SEQRES 14 A 230 PRO LEU GLN HIS GLY THR LEU HIS PHE CYS GLY PHE LYS SEQRES 15 A 230 VAL LEU ALA PRO GLN ILE SER PHE ALA PRO GLU ILE ALA SEQRES 16 A 230 SER GLU GLU GLU ARG LYS GLY MET VAL ALA ALA TRP SER SEQRES 17 A 230 GLN ARG LEU GLN THR ILE TRP LYS GLU GLU PRO ILE PRO SEQRES 18 A 230 CYS THR ALA HIS TRP HIS PHE GLY GLN SEQRES 1 B 230 ALA GLY LYS LYS VAL LEU ILE VAL TYR ALA HIS GLN GLU SEQRES 2 B 230 PRO LYS SER PHE ASN GLY SER LEU LYS ASN VAL ALA VAL SEQRES 3 B 230 ASP GLU LEU SER ARG GLN GLY CYS THR VAL THR VAL SER SEQRES 4 B 230 ASP LEU TYR ALA MET ASN PHE GLU PRO ARG ALA THR ASP SEQRES 5 B 230 LYS ASP ILE THR GLY THR LEU SER ASN PRO GLU VAL PHE SEQRES 6 B 230 ASN TYR GLY VAL GLU THR HIS GLU ALA TYR LYS GLN ARG SEQRES 7 B 230 SER LEU ALA SER ASP ILE THR ASP GLU GLN LYS LYS VAL SEQRES 8 B 230 ARG GLU ALA ASP LEU VAL ILE PHE GLN PHE PRO LEU TYR SEQRES 9 B 230 TRP PHE SER VAL PRO ALA ILE LEU LYS GLY TRP MET ASP SEQRES 10 B 230 ARG VAL LEU CYS GLN GLY PHE ALA PHE ASP ILE PRO GLY SEQRES 11 B 230 PHE TYR ASP SER GLY LEU LEU GLN GLY LYS LEU ALA LEU SEQRES 12 B 230 LEU SER VAL THR THR GLY GLY THR ALA GLU MET TYR THR SEQRES 13 B 230 LYS THR GLY VAL ASN GLY ASP SER ARG TYR PHE LEU TRP SEQRES 14 B 230 PRO LEU GLN HIS GLY THR LEU HIS PHE CYS GLY PHE LYS SEQRES 15 B 230 VAL LEU ALA PRO GLN ILE SER PHE ALA PRO GLU ILE ALA SEQRES 16 B 230 SER GLU GLU GLU ARG LYS GLY MET VAL ALA ALA TRP SER SEQRES 17 B 230 GLN ARG LEU GLN THR ILE TRP LYS GLU GLU PRO ILE PRO SEQRES 18 B 230 CYS THR ALA HIS TRP HIS PHE GLY GLN HET FAD A 232 53 HET ML2 A 233 18 HET ML2 A 234 18 HET ZN A 231 1 HET FAD B 232 53 HET ZN B 231 1 HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE HETNAM ML2 N-[2-(2-IODO-5-METHOXY-1H-INDOL-3-YL)ETHYL]ACETAMIDE HETNAM ZN ZINC ION FORMUL 3 FAD 2(C27 H33 N9 O15 P2) FORMUL 4 ML2 2(C13 H15 I N2 O2) FORMUL 6 ZN 2(ZN 2+) FORMUL 9 HOH *145(H2 O) HELIX 1 1 SER A 16 GLN A 32 1 17 HELIX 2 2 LEU A 41 ASN A 45 1 5 HELIX 3 3 THR A 51 ILE A 55 5 5 HELIX 4 4 ASN A 66 GLN A 77 1 12 HELIX 5 5 ALA A 81 ALA A 94 1 14 HELIX 6 6 PRO A 109 LEU A 120 1 12 HELIX 7 7 PHE A 131 GLY A 135 5 5 HELIX 8 8 ASP A 163 PHE A 167 5 5 HELIX 9 9 LEU A 168 HIS A 173 1 6 HELIX 10 10 SER A 196 GLN A 212 1 17 HELIX 11 11 THR A 213 GLU A 217 5 5 HELIX 12 12 THR A 223 GLY A 229 1 7 HELIX 13 13 SER B 16 GLN B 32 1 17 HELIX 14 14 LEU B 41 ASN B 45 1 5 HELIX 15 15 THR B 51 ILE B 55 5 5 HELIX 16 16 ASN B 66 GLN B 77 1 12 HELIX 17 17 ALA B 81 ALA B 94 1 14 HELIX 18 18 PRO B 109 LEU B 120 1 12 HELIX 19 19 PHE B 131 GLY B 135 5 5 HELIX 20 20 THR B 151 THR B 156 5 6 HELIX 21 21 SER B 164 HIS B 173 1 10 HELIX 22 22 LEU B 176 GLY B 180 5 5 HELIX 23 23 SER B 196 ILE B 214 1 19 HELIX 24 24 TRP B 215 GLU B 217 5 3 HELIX 25 25 THR B 223 GLY B 229 1 7 SHEET 1 A 5 THR A 35 ASP A 40 0 SHEET 2 A 5 LYS A 4 TYR A 9 1 N VAL A 5 O THR A 35 SHEET 3 A 5 LEU A 96 PRO A 102 1 O LEU A 96 N LEU A 6 SHEET 4 A 5 LEU A 141 THR A 147 1 O SER A 145 N PHE A 99 SHEET 5 A 5 LYS A 182 VAL A 183 1 O LYS A 182 N ALA A 142 SHEET 1 B 5 THR A 35 ASP A 40 0 SHEET 2 B 5 LYS A 4 TYR A 9 1 N VAL A 5 O THR A 35 SHEET 3 B 5 LEU A 96 PRO A 102 1 O LEU A 96 N LEU A 6 SHEET 4 B 5 LEU A 141 THR A 147 1 O SER A 145 N PHE A 99 SHEET 5 B 5 GLN A 187 SER A 189 1 O GLN A 187 N VAL A 146 SHEET 1 C 5 THR B 35 ASP B 40 0 SHEET 2 C 5 LYS B 4 TYR B 9 1 N VAL B 5 O THR B 35 SHEET 3 C 5 LEU B 96 PRO B 102 1 O ILE B 98 N VAL B 8 SHEET 4 C 5 LEU B 141 THR B 147 1 O SER B 145 N PHE B 99 SHEET 5 C 5 LYS B 182 VAL B 183 1 O LYS B 182 N ALA B 142 SHEET 1 D 5 THR B 35 ASP B 40 0 SHEET 2 D 5 LYS B 4 TYR B 9 1 N VAL B 5 O THR B 35 SHEET 3 D 5 LEU B 96 PRO B 102 1 O ILE B 98 N VAL B 8 SHEET 4 D 5 LEU B 141 THR B 147 1 O SER B 145 N PHE B 99 SHEET 5 D 5 GLN B 187 SER B 189 1 O SER B 189 N VAL B 146 LINK ND1 HIS A 173 ZN ZN A 231 1555 1555 2.22 LINK ND1 HIS A 177 ZN ZN A 231 1555 1555 2.21 LINK O CYS A 222 ZN ZN A 231 1555 1555 2.33 LINK SG CYS A 222 ZN ZN A 231 1555 1555 2.51 LINK ND1 HIS B 173 ZN ZN B 231 1555 1555 2.19 LINK ND1 HIS B 177 ZN ZN B 231 1555 1555 2.15 LINK O CYS B 222 ZN ZN B 231 1555 1555 2.27 LINK SG CYS B 222 ZN ZN B 231 1555 1555 2.51 CISPEP 1 ILE A 128 PRO A 129 0 0.15 CISPEP 2 ILE B 128 PRO B 129 0 -0.17 SITE 1 AC1 3 HIS A 173 HIS A 177 CYS A 222 SITE 1 AC2 3 HIS B 173 HIS B 177 CYS B 222 SITE 1 AC3 21 HIS A 11 LYS A 15 SER A 16 PHE A 17 SITE 2 AC3 21 ASN A 18 SER A 20 LEU A 103 TYR A 104 SITE 3 AC3 21 TRP A 105 PHE A 106 THR A 147 THR A 148 SITE 4 AC3 21 GLY A 149 GLY A 150 TYR A 155 GLU A 193 SITE 5 AC3 21 ARG A 200 LYS A 201 ASN B 66 TYR B 67 SITE 6 AC3 21 ASP B 117 SITE 1 AC4 22 ASN A 66 ASP A 117 HOH A 242 HIS B 11 SITE 2 AC4 22 LYS B 15 SER B 16 PHE B 17 ASN B 18 SITE 3 AC4 22 SER B 20 PRO B 102 LEU B 103 TYR B 104 SITE 4 AC4 22 TRP B 105 PHE B 106 THR B 147 THR B 148 SITE 5 AC4 22 GLY B 149 GLY B 150 TYR B 155 GLU B 193 SITE 6 AC4 22 ARG B 200 LYS B 201 SITE 1 AC5 7 TYR A 155 ASN A 161 GLU A 193 HOH A 274 SITE 2 AC5 7 GLY B 68 PHE B 126 PHE B 178 SITE 1 AC6 6 GLN A 122 PHE A 126 PHE A 178 TRP B 105 SITE 2 AC6 6 GLY B 149 ASN B 161 CRYST1 52.025 81.528 106.178 90.00 90.00 90.00 P 21 21 21 8 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 0.019222 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012266 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009418 0.00000