HEADER OXIDOREDUCTASE 20-SEP-10 3OWX TITLE X-RAY STRUCTURAL STUDY OF QUINONE REDUCTASE II INHIBITION BY COMPOUNDS TITLE 2 WITH MICROMOLAR TO NANOMOLAR RANGE IC50 VALUES COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBOSYLDIHYDRONICOTINAMIDE DEHYDROGENASE [QUINONE]; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: NRH DEHYDROGENASE [QUINONE] 2, NRH:QUINONE OXIDOREDUCTASE 2, COMPND 5 QUINONE REDUCTASE 2, QR2; 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 ORGANISM_TAXID: 9606; SOURCE 5 GENE: NQO2, NMOR2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS QR2, NQ02, FLAVOPROTEIN, METAL-2 BINDING, OXIDOREDUCTASE, KEYWDS 2 PHOSPHOPROTEIN, PRAZOSIN, FAD EXPDTA X-RAY DIFFRACTION AUTHOR S.D.PEGAN,M.STURDY,G.FERRY,P.DELAGRANGE,J.A.BOUTIN,A.D.MESECAR REVDAT 4 21-FEB-24 3OWX 1 REMARK LINK REVDAT 3 08-NOV-17 3OWX 1 REMARK REVDAT 2 06-JUL-11 3OWX 1 JRNL REVDAT 1 25-MAY-11 3OWX 0 JRNL AUTH S.D.PEGAN,M.STURDY,G.FERRY,P.DELAGRANGE,J.A.BOUTIN, JRNL AUTH 2 A.D.MESECAR JRNL TITL X-RAY STRUCTURAL STUDIES OF QUINONE REDUCTASE 2 NANOMOLAR JRNL TITL 2 RANGE INHIBITORS. JRNL REF PROTEIN SCI. V. 20 1182 2011 JRNL REFN ISSN 0961-8368 JRNL PMID 21538647 JRNL DOI 10.1002/PRO.647 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 65.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 43567 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) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2197 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.90 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2991 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.98 REMARK 3 BIN R VALUE (WORKING SET) : 0.2930 REMARK 3 BIN FREE R VALUE SET COUNT : 168 REMARK 3 BIN FREE R VALUE : 0.3480 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3614 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 164 REMARK 3 SOLVENT ATOMS : 369 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.74000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : -1.75000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.138 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.092 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.060 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.952 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.932 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3830 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5219 ; 1.277 ; 1.976 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 453 ; 5.887 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 170 ;34.453 ;24.118 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 608 ;12.364 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 16 ;17.420 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 556 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3026 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 2260 ; 0.687 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3643 ; 1.281 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1570 ; 1.801 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1576 ; 2.950 ; 4.500 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. U VALUES REFINED INDIVIDUALLY. REMARK 4 REMARK 4 3OWX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-SEP-10. REMARK 100 THE DEPOSITION ID IS D_1000061674. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-APR-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.7 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 300 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 43715 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 65.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.3 M AMMONIUM SULFATE, 0.1 M BIS REMARK 280 -TRIS, 0.1 M NACL, 5 MM DTT, 12 M FAD, PH 6.7, 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 28.25600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.39750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.75200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.39750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.25600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 41.75200 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: 7240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17930 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 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 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 0 REMARK 465 ALA A 1 REMARK 465 GLY A 229 REMARK 465 GLN A 230 REMARK 465 MET B 0 REMARK 465 ALA B 1 REMARK 465 GLN B 230 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 TYR A 132 -123.82 55.04 REMARK 500 THR A 175 -66.33 -109.79 REMARK 500 ALA A 195 -155.63 54.02 REMARK 500 TYR B 132 -124.23 45.78 REMARK 500 TYR B 155 44.64 -94.40 REMARK 500 THR B 175 -66.21 -108.04 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 99.0 REMARK 620 3 CYS A 222 O 103.0 96.0 REMARK 620 4 CYS A 222 SG 132.5 119.9 99.2 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 101.5 REMARK 620 3 CYS B 222 O 103.4 97.9 REMARK 620 4 CYS B 222 SG 129.8 118.8 99.6 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 FAD A 232 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XRA A 233 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 231 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD B 232 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XRA B 233 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3OVM RELATED DB: PDB REMARK 900 RELATED ID: 3OWH RELATED DB: PDB DBREF 3OWX A 0 230 UNP P16083 NQO2_HUMAN 1 231 DBREF 3OWX B 0 230 UNP P16083 NQO2_HUMAN 1 231 SEQRES 1 A 231 MET ALA GLY LYS LYS VAL LEU ILE VAL TYR ALA HIS GLN SEQRES 2 A 231 GLU PRO LYS SER PHE ASN GLY SER LEU LYS ASN VAL ALA SEQRES 3 A 231 VAL ASP GLU LEU SER ARG GLN GLY CYS THR VAL THR VAL SEQRES 4 A 231 SER ASP LEU TYR ALA MET ASN PHE GLU PRO ARG ALA THR SEQRES 5 A 231 ASP LYS ASP ILE THR GLY THR LEU SER ASN PRO GLU VAL SEQRES 6 A 231 PHE ASN TYR GLY VAL GLU THR HIS GLU ALA TYR LYS GLN SEQRES 7 A 231 ARG SER LEU ALA SER ASP ILE THR ASP GLU GLN LYS LYS SEQRES 8 A 231 VAL ARG GLU ALA ASP LEU VAL ILE PHE GLN PHE PRO LEU SEQRES 9 A 231 TYR TRP PHE SER VAL PRO ALA ILE LEU LYS GLY TRP MET SEQRES 10 A 231 ASP ARG VAL LEU CYS GLN GLY PHE ALA PHE ASP ILE PRO SEQRES 11 A 231 GLY PHE TYR ASP SER GLY LEU LEU GLN GLY LYS LEU ALA SEQRES 12 A 231 LEU LEU SER VAL THR THR GLY GLY THR ALA GLU MET TYR SEQRES 13 A 231 THR LYS THR GLY VAL ASN GLY ASP SER ARG TYR PHE LEU SEQRES 14 A 231 TRP PRO LEU GLN HIS GLY THR LEU HIS PHE CYS GLY PHE SEQRES 15 A 231 LYS VAL LEU ALA PRO GLN ILE SER PHE ALA PRO GLU ILE SEQRES 16 A 231 ALA SER GLU GLU GLU ARG LYS GLY MET VAL ALA ALA TRP SEQRES 17 A 231 SER GLN ARG LEU GLN THR ILE TRP LYS GLU GLU PRO ILE SEQRES 18 A 231 PRO CYS THR ALA HIS TRP HIS PHE GLY GLN SEQRES 1 B 231 MET ALA GLY LYS LYS VAL LEU ILE VAL TYR ALA HIS GLN SEQRES 2 B 231 GLU PRO LYS SER PHE ASN GLY SER LEU LYS ASN VAL ALA SEQRES 3 B 231 VAL ASP GLU LEU SER ARG GLN GLY CYS THR VAL THR VAL SEQRES 4 B 231 SER ASP LEU TYR ALA MET ASN PHE GLU PRO ARG ALA THR SEQRES 5 B 231 ASP LYS ASP ILE THR GLY THR LEU SER ASN PRO GLU VAL SEQRES 6 B 231 PHE ASN TYR GLY VAL GLU THR HIS GLU ALA TYR LYS GLN SEQRES 7 B 231 ARG SER LEU ALA SER ASP ILE THR ASP GLU GLN LYS LYS SEQRES 8 B 231 VAL ARG GLU ALA ASP LEU VAL ILE PHE GLN PHE PRO LEU SEQRES 9 B 231 TYR TRP PHE SER VAL PRO ALA ILE LEU LYS GLY TRP MET SEQRES 10 B 231 ASP ARG VAL LEU CYS GLN GLY PHE ALA PHE ASP ILE PRO SEQRES 11 B 231 GLY PHE TYR ASP SER GLY LEU LEU GLN GLY LYS LEU ALA SEQRES 12 B 231 LEU LEU SER VAL THR THR GLY GLY THR ALA GLU MET TYR SEQRES 13 B 231 THR LYS THR GLY VAL ASN GLY ASP SER ARG TYR PHE LEU SEQRES 14 B 231 TRP PRO LEU GLN HIS GLY THR LEU HIS PHE CYS GLY PHE SEQRES 15 B 231 LYS VAL LEU ALA PRO GLN ILE SER PHE ALA PRO GLU ILE SEQRES 16 B 231 ALA SER GLU GLU GLU ARG LYS GLY MET VAL ALA ALA TRP SEQRES 17 B 231 SER GLN ARG LEU GLN THR ILE TRP LYS GLU GLU PRO ILE SEQRES 18 B 231 PRO CYS THR ALA HIS TRP HIS PHE GLY GLN HET ZN A 231 1 HET FAD A 232 53 HET XRA A 233 56 HET ZN B 231 1 HET FAD B 232 53 HET XRA B 233 56 HETNAM ZN ZINC ION HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE HETNAM XRA 2-[4-(FURAN-2-YLCARBONYL)PIPERAZIN-1-YL]-6,7- HETNAM 2 XRA DIMETHOXYQUINAZOLIN-4-AMINE HETSYN XRA PRAZOSIN FORMUL 3 ZN 2(ZN 2+) FORMUL 4 FAD 2(C27 H33 N9 O15 P2) FORMUL 5 XRA 2(C19 H21 N5 O4) FORMUL 9 HOH *369(H2 O) HELIX 1 1 SER A 16 GLN A 32 1 17 HELIX 2 2 THR A 51 ILE A 55 5 5 HELIX 3 3 ASN A 66 GLN A 77 1 12 HELIX 4 4 ALA A 81 ALA A 94 1 14 HELIX 5 5 PRO A 109 LEU A 120 1 12 HELIX 6 6 PHE A 131 GLY A 135 5 5 HELIX 7 7 ALA A 152 THR A 156 5 5 HELIX 8 8 ASP A 163 HIS A 173 1 11 HELIX 9 9 LEU A 176 GLY A 180 5 5 HELIX 10 10 ALA A 191 ALA A 195 5 5 HELIX 11 11 SER A 196 THR A 213 1 18 HELIX 12 12 ILE A 214 GLU A 217 5 4 HELIX 13 13 THR A 223 PHE A 228 1 6 HELIX 14 14 SER B 16 GLN B 32 1 17 HELIX 15 15 THR B 51 ILE B 55 5 5 HELIX 16 16 ASN B 66 ARG B 78 1 13 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 ASP B 163 HIS B 173 1 11 HELIX 21 21 SER B 196 THR B 213 1 18 HELIX 22 22 ILE B 214 GLU B 217 5 4 HELIX 23 23 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 ILE A 7 O SER A 39 SHEET 3 A 5 LEU A 96 PRO A 102 1 O ILE A 98 N VAL A 8 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 ILE A 7 O SER A 39 SHEET 3 B 5 LEU A 96 PRO A 102 1 O ILE A 98 N VAL A 8 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 SER A 189 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 ILE B 7 O THR B 37 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 ILE B 7 O THR B 37 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 GLN B 187 N LEU B 144 LINK ND1 HIS A 173 ZN ZN A 231 1555 1555 2.10 LINK ND1 HIS A 177 ZN ZN A 231 1555 1555 2.03 LINK O CYS A 222 ZN ZN A 231 1555 1555 2.23 LINK SG CYS A 222 ZN ZN A 231 1555 1555 2.29 LINK ND1 HIS B 173 ZN ZN B 231 1555 1555 2.06 LINK ND1 HIS B 177 ZN ZN B 231 1555 1555 2.11 LINK O CYS B 222 ZN ZN B 231 1555 1555 2.12 LINK SG CYS B 222 ZN ZN B 231 1555 1555 2.24 CISPEP 1 ILE A 128 PRO A 129 0 6.65 CISPEP 2 ALA A 195 SER A 196 0 -1.05 CISPEP 3 ILE B 128 PRO B 129 0 1.03 SITE 1 AC1 3 HIS A 173 HIS A 177 CYS A 222 SITE 1 AC2 26 HIS A 11 LYS A 15 SER A 16 PHE A 17 SITE 2 AC2 26 ASN A 18 SER A 20 PRO A 102 LEU A 103 SITE 3 AC2 26 TYR A 104 TRP A 105 PHE A 106 THR A 147 SITE 4 AC2 26 THR A 148 GLY A 149 GLY A 150 TYR A 155 SITE 5 AC2 26 GLU A 193 ARG A 200 LYS A 201 VAL A 204 SITE 6 AC2 26 XRA A 233 HOH A 242 HOH A 292 HOH A 369 SITE 7 AC2 26 ASN B 66 ASP B 117 SITE 1 AC3 17 TRP A 105 GLY A 149 GLY A 150 MET A 154 SITE 2 AC3 17 VAL A 160 ASN A 161 GLU A 193 ILE A 194 SITE 3 AC3 17 FAD A 232 HOH A 265 HOH A 298 VAL B 69 SITE 4 AC3 17 PHE B 126 ILE B 128 PHE B 131 GLY B 174 SITE 5 AC3 17 PHE B 178 SITE 1 AC4 3 HIS B 173 HIS B 177 CYS B 222 SITE 1 AC5 26 ASN A 66 ASP A 117 HIS B 11 LYS B 15 SITE 2 AC5 26 SER B 16 PHE B 17 ASN B 18 SER B 20 SITE 3 AC5 26 PRO B 102 LEU B 103 TYR B 104 TRP B 105 SITE 4 AC5 26 PHE B 106 THR B 147 THR B 148 GLY B 149 SITE 5 AC5 26 GLY B 150 TYR B 155 GLU B 193 ARG B 200 SITE 6 AC5 26 XRA B 233 HOH B 244 HOH B 337 HOH B 411 SITE 7 AC5 26 HOH B 420 HOH B 422 SITE 1 AC6 13 VAL A 69 PHE A 126 GLY A 174 PHE A 178 SITE 2 AC6 13 TRP B 105 PHE B 106 GLY B 149 MET B 154 SITE 3 AC6 13 ASN B 161 GLU B 193 ILE B 194 FAD B 232 SITE 4 AC6 13 HOH B 351 CRYST1 56.512 83.504 106.795 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 0.017695 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011975 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009364 0.00000