HEADER OXIDOREDUCTASE 04-SEP-03 1QX4 TITLE STRUCTRUE OF S127P MUTANT OF CYTOCHROME B5 REDUCTASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NADH-CYTOCHROME B5 REDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.6.2.2; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: DIA1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21-CODON-PLUS (DE3)RIL KEYWDS METHEMOGLOBINEMIA, FLAVIN FLEXIBILITY, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.C.BEWLEY,C.A.DAVIS,C.C.MAROHNIC,D.TAORMINA,M.J.BARBER REVDAT 4 23-AUG-23 1QX4 1 REMARK REVDAT 3 27-OCT-21 1QX4 1 REMARK SEQADV REVDAT 2 24-FEB-09 1QX4 1 VERSN REVDAT 1 14-SEP-04 1QX4 0 JRNL AUTH M.C.BEWLEY,C.A.DAVIS,C.C.MAROHNIC,D.TAORMINA,M.J.BARBER JRNL TITL THE STRUCTURE OF THE S127P MUTANT OF CYTOCHROME B5 REDUCTASE JRNL TITL 2 THAT CAUSES METHEMOGLOBINEMIA SHOWS THE AMP MOIETY OF THE JRNL TITL 3 FLAVIN OCCUPYING THE SUBSTRATE BINDING SITE JRNL REF BIOCHEMISTRY V. 42 13145 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 14609324 JRNL DOI 10.1021/BI034915C REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 48320 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) : 0.207 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1014 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 : 4226 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 106 REMARK 3 SOLVENT ATOMS : 256 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.99800 REMARK 3 B22 (A**2) : 1.29900 REMARK 3 B33 (A**2) : -0.30100 REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : -1.80600 REMARK 3 B23 (A**2) : NULL 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 1.294 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.847 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.168 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.034 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.44 REMARK 3 BSOL : 24.02 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 1QX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-SEP-03. REMARK 100 THE DEPOSITION ID IS D_1000020174. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-01 REMARK 200 TEMPERATURE (KELVIN) : 99 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48325 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06400 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1IB0 WITHOUT FAD MOLECULE 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: GLYCEROL, AMMONIUM SULFATE, TRIS REMARK 280 BUFFER, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 24.00200 REMARK 290 SMTRY3 2 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 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 27 REMARK 465 HIS A 28 REMARK 465 HIS A 29 REMARK 465 HIS A 30 REMARK 465 THR A 116 REMARK 465 HIS A 117 REMARK 465 PRO A 118 REMARK 465 LYS A 119 REMARK 465 PHE A 120 REMARK 465 PRO A 121 REMARK 465 MET B 27 REMARK 465 HIS B 28 REMARK 465 HIS B 29 REMARK 465 HIS B 30 REMARK 465 THR B 116 REMARK 465 HIS B 117 REMARK 465 PRO B 118 REMARK 465 LYS B 119 REMARK 465 PHE B 120 REMARK 465 PRO B 121 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 LYS A 114 163.26 -40.66 REMARK 500 HIS A 228 54.67 -141.39 REMARK 500 TYR A 247 -154.22 -111.66 REMARK 500 CYS A 283 -70.47 -94.42 REMARK 500 LYS B 114 111.34 -6.32 REMARK 500 HIS B 228 52.56 -142.06 REMARK 500 TYR B 247 -158.33 -112.16 REMARK 500 CYS B 283 -70.69 -92.93 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 FAD A 301 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD B 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IB0 RELATED DB: PDB REMARK 900 STRUCTURE OF CYTOCHROME B5 REDUCTASE FROM RAT REMARK 900 RELATED ID: 1I7P RELATED DB: PDB REMARK 900 STRUCTURE OF CYTOCHROME B5 REDUCTASE COMPLEXED WITH NAD DBREF 1QX4 A 33 300 UNP P20070 NCB5R_RAT 33 300 DBREF 1QX4 B 33 300 UNP P20070 NCB5R_RAT 33 300 SEQADV 1QX4 MET A 27 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS A 28 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS A 29 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS A 30 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS A 31 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 MET A 32 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 LEU A 52 UNP P20070 ILE 52 CONFLICT SEQADV 1QX4 GLU A 115 UNP P20070 ASP 115 CONFLICT SEQADV 1QX4 PRO A 127 UNP P20070 SER 127 ENGINEERED MUTATION SEQADV 1QX4 MET B 27 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS B 28 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS B 29 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS B 30 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 HIS B 31 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 MET B 32 UNP P20070 CLONING ARTIFACT SEQADV 1QX4 LEU B 52 UNP P20070 ILE 52 CONFLICT SEQADV 1QX4 GLU B 115 UNP P20070 ASP 115 CONFLICT SEQADV 1QX4 PRO B 127 UNP P20070 SER 127 ENGINEERED MUTATION SEQRES 1 A 274 MET HIS HIS HIS HIS MET ILE THR LEU GLU ASN PRO ASP SEQRES 2 A 274 ILE LYS TYR PRO LEU ARG LEU ILE ASP LYS GLU ILE LEU SEQRES 3 A 274 SER HIS ASP THR ARG ARG PHE ARG PHE ALA LEU PRO SER SEQRES 4 A 274 PRO GLN HIS ILE LEU GLY LEU PRO ILE GLY GLN HIS ILE SEQRES 5 A 274 TYR LEU SER THR ARG ILE ASP GLY ASN LEU VAL ILE ARG SEQRES 6 A 274 PRO TYR THR PRO VAL SER SER ASP ASP ASP LYS GLY PHE SEQRES 7 A 274 VAL ASP LEU VAL VAL LYS VAL TYR PHE LYS GLU THR HIS SEQRES 8 A 274 PRO LYS PHE PRO ALA GLY GLY LYS MET PRO GLN TYR LEU SEQRES 9 A 274 GLU ASN MET ASN ILE GLY ASP THR ILE GLU PHE ARG GLY SEQRES 10 A 274 PRO ASN GLY LEU LEU VAL TYR GLN GLY LYS GLY LYS PHE SEQRES 11 A 274 ALA ILE ARG ALA ASP LYS LYS SER ASN PRO VAL VAL ARG SEQRES 12 A 274 THR VAL LYS SER VAL GLY MET ILE ALA GLY GLY THR GLY SEQRES 13 A 274 ILE THR PRO MET LEU GLN VAL ILE ARG ALA VAL LEU LYS SEQRES 14 A 274 ASP PRO ASN ASP HIS THR VAL CYS TYR LEU LEU PHE ALA SEQRES 15 A 274 ASN GLN SER GLU LYS ASP ILE LEU LEU ARG PRO GLU LEU SEQRES 16 A 274 GLU GLU LEU ARG ASN GLU HIS SER SER ARG PHE LYS LEU SEQRES 17 A 274 TRP TYR THR VAL ASP LYS ALA PRO ASP ALA TRP ASP TYR SEQRES 18 A 274 SER GLN GLY PHE VAL ASN GLU GLU MET ILE ARG ASP HIS SEQRES 19 A 274 LEU PRO PRO PRO GLY GLU GLU THR LEU ILE LEU MET CYS SEQRES 20 A 274 GLY PRO PRO PRO MET ILE GLN PHE ALA CYS LEU PRO ASN SEQRES 21 A 274 LEU GLU ARG VAL GLY HIS PRO LYS GLU ARG CYS PHE THR SEQRES 22 A 274 PHE SEQRES 1 B 274 MET HIS HIS HIS HIS MET ILE THR LEU GLU ASN PRO ASP SEQRES 2 B 274 ILE LYS TYR PRO LEU ARG LEU ILE ASP LYS GLU ILE LEU SEQRES 3 B 274 SER HIS ASP THR ARG ARG PHE ARG PHE ALA LEU PRO SER SEQRES 4 B 274 PRO GLN HIS ILE LEU GLY LEU PRO ILE GLY GLN HIS ILE SEQRES 5 B 274 TYR LEU SER THR ARG ILE ASP GLY ASN LEU VAL ILE ARG SEQRES 6 B 274 PRO TYR THR PRO VAL SER SER ASP ASP ASP LYS GLY PHE SEQRES 7 B 274 VAL ASP LEU VAL VAL LYS VAL TYR PHE LYS GLU THR HIS SEQRES 8 B 274 PRO LYS PHE PRO ALA GLY GLY LYS MET PRO GLN TYR LEU SEQRES 9 B 274 GLU ASN MET ASN ILE GLY ASP THR ILE GLU PHE ARG GLY SEQRES 10 B 274 PRO ASN GLY LEU LEU VAL TYR GLN GLY LYS GLY LYS PHE SEQRES 11 B 274 ALA ILE ARG ALA ASP LYS LYS SER ASN PRO VAL VAL ARG SEQRES 12 B 274 THR VAL LYS SER VAL GLY MET ILE ALA GLY GLY THR GLY SEQRES 13 B 274 ILE THR PRO MET LEU GLN VAL ILE ARG ALA VAL LEU LYS SEQRES 14 B 274 ASP PRO ASN ASP HIS THR VAL CYS TYR LEU LEU PHE ALA SEQRES 15 B 274 ASN GLN SER GLU LYS ASP ILE LEU LEU ARG PRO GLU LEU SEQRES 16 B 274 GLU GLU LEU ARG ASN GLU HIS SER SER ARG PHE LYS LEU SEQRES 17 B 274 TRP TYR THR VAL ASP LYS ALA PRO ASP ALA TRP ASP TYR SEQRES 18 B 274 SER GLN GLY PHE VAL ASN GLU GLU MET ILE ARG ASP HIS SEQRES 19 B 274 LEU PRO PRO PRO GLY GLU GLU THR LEU ILE LEU MET CYS SEQRES 20 B 274 GLY PRO PRO PRO MET ILE GLN PHE ALA CYS LEU PRO ASN SEQRES 21 B 274 LEU GLU ARG VAL GLY HIS PRO LYS GLU ARG CYS PHE THR SEQRES 22 B 274 PHE HET FAD A 301 53 HET FAD B 302 53 HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE FORMUL 3 FAD 2(C27 H33 N9 O15 P2) FORMUL 5 HOH *256(H2 O) HELIX 1 1 GLY A 124 ASN A 132 1 9 HELIX 2 2 GLY A 182 ASP A 196 1 15 HELIX 3 3 LYS A 213 ILE A 215 5 3 HELIX 4 4 LEU A 217 HIS A 228 1 12 HELIX 5 5 ASN A 253 LEU A 261 1 9 HELIX 6 6 PRO A 275 ALA A 282 1 8 HELIX 7 7 CYS A 283 GLY A 291 1 9 HELIX 8 8 PRO A 293 GLU A 295 5 3 HELIX 9 9 GLY B 124 ASN B 132 1 9 HELIX 10 10 GLY B 182 ASP B 196 1 15 HELIX 11 11 LYS B 213 ILE B 215 5 3 HELIX 12 12 LEU B 217 HIS B 228 1 12 HELIX 13 13 ASN B 253 LEU B 261 1 9 HELIX 14 14 PRO B 275 ALA B 282 1 8 HELIX 15 15 CYS B 283 GLY B 291 1 9 HELIX 16 16 PRO B 293 GLU B 295 5 3 SHEET 1 A 2 MET A 32 ILE A 33 0 SHEET 2 A 2 HIS A 68 ILE A 69 1 O ILE A 69 N MET A 32 SHEET 1 B 6 ASN A 87 TYR A 93 0 SHEET 2 B 6 HIS A 77 ILE A 84 -1 N ILE A 84 O ASN A 87 SHEET 3 B 6 THR A 138 ASN A 145 -1 O ASN A 145 N HIS A 77 SHEET 4 B 6 TYR A 42 ILE A 51 -1 N LEU A 44 O ILE A 139 SHEET 5 B 6 THR A 56 ALA A 62 -1 O ARG A 60 N ASP A 48 SHEET 6 B 6 PHE A 104 LYS A 110 -1 O LEU A 107 N PHE A 59 SHEET 1 C 3 LEU A 148 GLY A 152 0 SHEET 2 C 3 LYS A 155 ILE A 158 -1 O ALA A 157 N VAL A 149 SHEET 3 C 3 VAL A 167 THR A 170 -1 O VAL A 167 N ILE A 158 SHEET 1 D 6 SER A 248 GLN A 249 0 SHEET 2 D 6 PHE A 232 LYS A 240 1 N VAL A 238 O SER A 248 SHEET 3 D 6 VAL A 202 SER A 211 1 N LEU A 205 O LYS A 233 SHEET 4 D 6 SER A 173 GLY A 179 1 N ALA A 178 O ALA A 208 SHEET 5 D 6 THR A 268 CYS A 273 1 O LEU A 269 N GLY A 175 SHEET 6 D 6 CYS A 297 THR A 299 1 O PHE A 298 N ILE A 270 SHEET 1 E 2 MET B 32 ILE B 33 0 SHEET 2 E 2 HIS B 68 ILE B 69 1 O ILE B 69 N MET B 32 SHEET 1 F 6 ASN B 87 TYR B 93 0 SHEET 2 F 6 HIS B 77 ILE B 84 -1 N ILE B 84 O ASN B 87 SHEET 3 F 6 THR B 138 ASN B 145 -1 O ASN B 145 N HIS B 77 SHEET 4 F 6 TYR B 42 ILE B 51 -1 N TYR B 42 O PHE B 141 SHEET 5 F 6 THR B 56 ALA B 62 -1 O ARG B 58 N GLU B 50 SHEET 6 F 6 PHE B 104 LYS B 110 -1 O LEU B 107 N PHE B 59 SHEET 1 G 3 LEU B 148 GLY B 152 0 SHEET 2 G 3 LYS B 155 ILE B 158 -1 O ALA B 157 N VAL B 149 SHEET 3 G 3 VAL B 167 THR B 170 -1 O VAL B 167 N ILE B 158 SHEET 1 H 6 SER B 248 GLN B 249 0 SHEET 2 H 6 PHE B 232 LYS B 240 1 N VAL B 238 O SER B 248 SHEET 3 H 6 VAL B 202 SER B 211 1 N CYS B 203 O LYS B 233 SHEET 4 H 6 SER B 173 GLY B 179 1 N ALA B 178 O ALA B 208 SHEET 5 H 6 THR B 268 CYS B 273 1 O LEU B 271 N GLY B 175 SHEET 6 H 6 CYS B 297 THR B 299 1 O PHE B 298 N ILE B 270 CISPEP 1 GLY A 143 PRO A 144 0 -0.50 CISPEP 2 GLY B 143 PRO B 144 0 0.31 SITE 1 AC1 32 HIS B 77 PRO B 92 TYR B 93 THR B 94 SITE 2 AC1 32 VAL B 108 VAL B 109 LYS B 110 TYR B 112 SITE 3 AC1 32 GLY B 179 GLY B 180 THR B 181 GLY B 182 SITE 4 AC1 32 THR B 184 ALA B 208 ASN B 209 GLN B 210 SITE 5 AC1 32 ASP B 239 PHE B 251 GLY B 274 PRO B 275 SITE 6 AC1 32 PRO B 277 MET B 278 PHE B 300 HOH B 310 SITE 7 AC1 32 HOH B 321 HOH B 330 HOH B 346 HOH B 365 SITE 8 AC1 32 HOH B 371 HOH B 375 HOH B 389 HOH B 411 CRYST1 77.236 48.004 77.247 90.00 107.69 90.00 P 1 21 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 0.012947 0.000000 0.004130 0.00000 SCALE2 0.000000 0.020832 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013588 0.00000