HEADER OXIDOREDUCTASE 04-MAR-03 1OON TITLE NITROREDUCTASE FROM E-COLI IN COMPLEX WITH THE DINITROBENZAMIDE TITLE 2 PRODRUG SN27217 COMPND MOL_ID: 1; COMPND 2 MOLECULE: OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: FMN-DEPENDENT NITROREDUCTASE, DIHYDROPTERIDINE REDUCTASE; COMPND 5 EC: 1.6.99.7; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI K12; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 83333; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: K12 KEYWDS NAD(P)H-QUINONE REDUCTASE, FMN, NITROREDUCTASE, FLAVOPROTEIN, KEYWDS 2 SN27217, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR E.JOHANSSON,G.N.PARKINSON,W.A.DENNY,S.NEIDLE REVDAT 4 16-AUG-23 1OON 1 REMARK REVDAT 3 24-FEB-09 1OON 1 VERSN REVDAT 2 16-SEP-03 1OON 1 JRNL REVDAT 1 08-APR-03 1OON 0 JRNL AUTH E.JOHANSSON,G.N.PARKINSON,W.A.DENNY,S.NEIDLE JRNL TITL STUDIES ON THE NITROREDUCTASE PRODRUG-ACTIVATING SYSTEM. JRNL TITL 2 CRYSTAL STRUCTURES OF COMPLEXES WITH THE INHIBITOR JRNL TITL 3 DICOUMAROL AND DINITROBENZAMIDE PRODRUGS AND OF THE ENZYME JRNL TITL 4 ACTIVE FORM JRNL REF J.MED.CHEM. V. 46 4009 2003 JRNL REFN ISSN 0022-2623 JRNL PMID 12954054 JRNL DOI 10.1021/JM030843B REMARK 2 REMARK 2 RESOLUTION. 2.49 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) : 2.49 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.33 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 292629.160 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 15016 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) : 0.214 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1184 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) : 2.49 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2095 REMARK 3 BIN R VALUE (WORKING SET) : 0.2800 REMARK 3 BIN FREE R VALUE : 0.3140 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 180 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.023 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3352 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 89 REMARK 3 SOLVENT ATOMS : 232 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 31.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.38000 REMARK 3 B22 (A**2) : -3.38000 REMARK 3 B33 (A**2) : 6.75000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.27 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) : 0.38 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.33 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.540 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) : 7.750 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 10.220; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.020 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 8.660 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.26 REMARK 3 BSOL : 10.13 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 1OON COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAR-03. REMARK 100 THE DEPOSITION ID IS D_1000018510. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAY-01 REMARK 200 TEMPERATURE (KELVIN) : 97 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.93 REMARK 200 MONOCHROMATOR : DIAMOND (111), GERMANIUM (220) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15053 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.490 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.49 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.11900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1DS7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000 (25%-29%), 0.1 MM SODIUM REMARK 280 ACETATE, PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 132.37500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 28.67000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.67000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 66.18750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.67000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.67000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 198.56250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.67000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.67000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 66.18750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.67000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.67000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 198.56250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 132.37500 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: 9890 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 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 1 REMARK 465 MET B 1 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 36 20.91 -77.53 REMARK 500 ALA A 64 57.81 -96.57 REMARK 500 ASP A 131 -65.40 -95.73 REMARK 500 ASP A 134 47.25 -109.12 REMARK 500 GLN B 44 60.51 39.30 REMARK 500 LEU B 178 -179.78 -69.96 REMARK 500 LYS B 179 -45.44 77.31 REMARK 500 ASN B 200 -17.35 -153.00 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 360 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMN B 361 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEL A 362 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DS7 RELATED DB: PDB REMARK 900 THE SAME PROTEIN UNCOMPLEXED REMARK 900 RELATED ID: 1IDT RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH CB1954 REMARK 900 RELATED ID: 1OO5 RELATED DB: PDB REMARK 900 THE SAME PROTEIN UNCOMPLEXED BUT WITH REDUCED FMN REMARK 900 RELATED ID: 1OO6 RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH SN23862 REMARK 900 RELATED ID: 1OOQ RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH DICOUMAROL DBREF 1OON A 1 217 UNP P38489 NFNB_ECOLI 1 217 DBREF 1OON B 1 217 UNP P38489 NFNB_ECOLI 1 217 SEQRES 1 A 217 MET ASP ILE ILE SER VAL ALA LEU LYS ARG HIS SER THR SEQRES 2 A 217 LYS ALA PHE ASP ALA SER LYS LYS LEU THR PRO GLU GLN SEQRES 3 A 217 ALA GLU GLN ILE LYS THR LEU LEU GLN TYR SER PRO SER SEQRES 4 A 217 SER THR ASN SER GLN PRO TRP HIS PHE ILE VAL ALA SER SEQRES 5 A 217 THR GLU GLU GLY LYS ALA ARG VAL ALA LYS SER ALA ALA SEQRES 6 A 217 GLY ASN TYR VAL PHE ASN GLU ARG LYS MET LEU ASP ALA SEQRES 7 A 217 SER HIS VAL VAL VAL PHE CYS ALA LYS THR ALA MET ASP SEQRES 8 A 217 ASP VAL TRP LEU LYS LEU VAL VAL ASP GLN GLU ASP ALA SEQRES 9 A 217 ASP GLY ARG PHE ALA THR PRO GLU ALA LYS ALA ALA ASN SEQRES 10 A 217 ASP LYS GLY ARG LYS PHE PHE ALA ASP MET HIS ARG LYS SEQRES 11 A 217 ASP LEU HIS ASP ASP ALA GLU TRP MET ALA LYS GLN VAL SEQRES 12 A 217 TYR LEU ASN VAL GLY ASN PHE LEU LEU GLY VAL ALA ALA SEQRES 13 A 217 LEU GLY LEU ASP ALA VAL PRO ILE GLU GLY PHE ASP ALA SEQRES 14 A 217 ALA ILE LEU ASP ALA GLU PHE GLY LEU LYS GLU LYS GLY SEQRES 15 A 217 TYR THR SER LEU VAL VAL VAL PRO VAL GLY HIS HIS SER SEQRES 16 A 217 VAL GLU ASP PHE ASN ALA THR LEU PRO LYS SER ARG LEU SEQRES 17 A 217 PRO GLN ASN ILE THR LEU THR GLU VAL SEQRES 1 B 217 MET ASP ILE ILE SER VAL ALA LEU LYS ARG HIS SER THR SEQRES 2 B 217 LYS ALA PHE ASP ALA SER LYS LYS LEU THR PRO GLU GLN SEQRES 3 B 217 ALA GLU GLN ILE LYS THR LEU LEU GLN TYR SER PRO SER SEQRES 4 B 217 SER THR ASN SER GLN PRO TRP HIS PHE ILE VAL ALA SER SEQRES 5 B 217 THR GLU GLU GLY LYS ALA ARG VAL ALA LYS SER ALA ALA SEQRES 6 B 217 GLY ASN TYR VAL PHE ASN GLU ARG LYS MET LEU ASP ALA SEQRES 7 B 217 SER HIS VAL VAL VAL PHE CYS ALA LYS THR ALA MET ASP SEQRES 8 B 217 ASP VAL TRP LEU LYS LEU VAL VAL ASP GLN GLU ASP ALA SEQRES 9 B 217 ASP GLY ARG PHE ALA THR PRO GLU ALA LYS ALA ALA ASN SEQRES 10 B 217 ASP LYS GLY ARG LYS PHE PHE ALA ASP MET HIS ARG LYS SEQRES 11 B 217 ASP LEU HIS ASP ASP ALA GLU TRP MET ALA LYS GLN VAL SEQRES 12 B 217 TYR LEU ASN VAL GLY ASN PHE LEU LEU GLY VAL ALA ALA SEQRES 13 B 217 LEU GLY LEU ASP ALA VAL PRO ILE GLU GLY PHE ASP ALA SEQRES 14 B 217 ALA ILE LEU ASP ALA GLU PHE GLY LEU LYS GLU LYS GLY SEQRES 15 B 217 TYR THR SER LEU VAL VAL VAL PRO VAL GLY HIS HIS SER SEQRES 16 B 217 VAL GLU ASP PHE ASN ALA THR LEU PRO LYS SER ARG LEU SEQRES 17 B 217 PRO GLN ASN ILE THR LEU THR GLU VAL HET FMN A 360 31 HET BEL A 362 27 HET FMN B 361 31 HETNAM FMN FLAVIN MONONUCLEOTIDE HETNAM BEL 2,4-DINITRO,5-[BIS(2-BROMOETHYL)AMINO]-N-(2',3'- HETNAM 2 BEL DIOXOPROPYL)BENZAMIDE HETSYN FMN RIBOFLAVIN MONOPHOSPHATE FORMUL 3 FMN 2(C17 H21 N4 O9 P) FORMUL 4 BEL C14 H14 BR2 N4 O7 FORMUL 6 HOH *232(H2 O) HELIX 1 1 ASP A 2 ARG A 10 1 9 HELIX 2 2 THR A 23 TYR A 36 1 14 HELIX 3 3 SER A 39 SER A 43 5 5 HELIX 4 4 THR A 53 LYS A 62 1 10 HELIX 5 5 SER A 63 ALA A 64 5 2 HELIX 6 6 ALA A 65 PHE A 70 5 6 HELIX 7 7 ASN A 71 ALA A 78 1 8 HELIX 8 8 ASP A 91 ASP A 105 1 15 HELIX 9 9 THR A 110 LYS A 130 1 21 HELIX 10 10 ASP A 134 ALA A 156 1 23 HELIX 11 11 ASP A 168 GLY A 177 1 10 HELIX 12 12 GLY A 177 GLY A 182 1 6 HELIX 13 13 ASP A 198 THR A 202 5 5 HELIX 14 14 PRO A 209 THR A 213 1 5 HELIX 15 15 ASP B 2 ARG B 10 1 9 HELIX 16 16 THR B 23 TYR B 36 1 14 HELIX 17 17 SER B 39 SER B 43 5 5 HELIX 18 18 THR B 53 ALA B 61 1 9 HELIX 19 19 LYS B 62 ALA B 65 5 4 HELIX 20 20 TYR B 68 PHE B 70 5 3 HELIX 21 21 ASN B 71 ALA B 78 1 8 HELIX 22 22 ASP B 91 ASP B 105 1 15 HELIX 23 23 THR B 110 LYS B 130 1 21 HELIX 24 24 ASP B 134 ALA B 156 1 23 HELIX 25 25 ASP B 168 GLY B 177 1 10 HELIX 26 26 PRO B 209 THR B 213 1 5 SHEET 1 A 5 ASP A 160 ALA A 161 0 SHEET 2 A 5 TYR A 183 GLY A 192 -1 O GLY A 192 N ASP A 160 SHEET 3 A 5 HIS A 80 LYS A 87 -1 N HIS A 80 O VAL A 191 SHEET 4 A 5 TRP A 46 ALA A 51 -1 N ALA A 51 O VAL A 81 SHEET 5 A 5 LEU B 214 VAL B 217 1 O THR B 215 N VAL A 50 SHEET 1 B 5 LEU A 214 VAL A 217 0 SHEET 2 B 5 TRP B 46 ALA B 51 1 O PHE B 48 N THR A 215 SHEET 3 B 5 HIS B 80 LYS B 87 -1 O VAL B 81 N ALA B 51 SHEET 4 B 5 TYR B 183 GLY B 192 -1 O VAL B 191 N HIS B 80 SHEET 5 B 5 ASP B 160 ALA B 161 -1 N ASP B 160 O GLY B 192 SITE 1 AC1 25 ARG A 10 HIS A 11 SER A 12 LYS A 14 SITE 2 AC1 25 ASN A 71 LYS A 74 TYR A 144 PRO A 163 SITE 3 AC1 25 ILE A 164 GLU A 165 GLY A 166 ASN A 200 SITE 4 AC1 25 LYS A 205 ARG A 207 HOH A 368 HOH A 412 SITE 5 AC1 25 HOH A 417 PRO B 38 SER B 39 SER B 40 SITE 6 AC1 25 THR B 41 ASN B 42 GLN B 142 LEU B 145 SITE 7 AC1 25 HOH B 379 SITE 1 AC2 19 PRO A 38 SER A 39 SER A 40 ASN A 42 SITE 2 AC2 19 GLN A 142 LEU A 145 BEL A 362 ARG B 10 SITE 3 AC2 19 HIS B 11 SER B 12 LYS B 14 ASN B 71 SITE 4 AC2 19 LYS B 74 TYR B 144 PRO B 163 GLU B 165 SITE 5 AC2 19 GLY B 166 LYS B 205 ARG B 207 SITE 1 AC3 10 THR A 41 GLU A 102 ARG A 107 ASN A 117 SITE 2 AC3 10 PHE A 124 HOH A 439 HOH A 440 LYS B 14 SITE 3 AC3 10 PHE B 70 FMN B 361 CRYST1 57.340 57.340 264.750 90.00 90.00 90.00 P 41 21 2 16 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 0.017440 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017440 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003777 0.00000