Oxygen-insensitive NADPH nitroreductase

Details

Name
Oxygen-insensitive NADPH nitroreductase
Synonyms
  • 1.-.-.-
  • mda18
  • mdaA
  • Modulator of drug activity A
  • ybjB
Gene Name
nfsA
Organism
Escherichia coli (strain K12)
Amino acid sequence
>lcl|BSEQ0001238|Oxygen-insensitive NADPH nitroreductase
MTPTIELICGHRSIRHFTDEPISEAQREAIINSARATSSSSFLQCSSIIRITDKALREEL
VTLTGGQKHVAQAAEFWVFCADFNRHLQICPDAQLGLAEQLLLGVVDTAMMAQNALIAAE
SLGLGGVYIGGLRNNIEAVTKLLKLPQHVLPLFGLCLGWPADNPDLKPRLPASILVHENS
YQPLDKGALAQYDEQLAEYYLTRGSNNRRDTWSDHIRRTIIKESRPFILDYLHKQGWATR
Number of residues
240
Molecular Weight
26800.375
Theoretical pI
6.94
GO Classification
Functions
chromate reductase activity / FMN binding / oxidoreductase activity, acting on NAD(P)H, nitrogenous group as acceptor
Components
cytosol
General Function
Oxidoreductase activity, acting on nad(p)h, nitrogenous group as acceptor
Specific Function
Reduction of nitroaromatic compounds using NADH. Reduces nitrofurazone by a ping-pong bi-bi mechanism possibly to generate a two-electron transfer product. Major component of the oxygen-insensitive nitroreductase activity in E.coli.
Pfam Domain Function
Transmembrane Regions
Not Available
Cellular Location
Not Available
Gene sequence
>lcl|BSEQ0016154|Oxygen-insensitive NADPH nitroreductase (nfsA)
ATGACGCCAACCATTGAACTTATTTGTGGCCATCGCTCCATTCGCCATTTCACTGATGAA
CCCATTTCCGAAGCGCAGCGTGAGGCGATTATTAACAGCGCCCGTGCGACGTCCAGTTCC
AGTTTTTTGCAGTGCAGTAGCATTATTCGCATTACCGACAAAGCGTTACGTGAAGAACTG
GTGACGCTGACCGGCGGGCAAAAACACGTAGCGCAAGCGGCGGAGTTCTGGGTGTTCTGT
GCCGACTTTAACCGCCATTTACAGATCTGTCCGGATGCTCAGCTCGGCCTGGCGGAACAA
CTGTTGCTCGGTGTCGTTGATACGGCAATGATGGCGCAGAATGCATTAATCGCAGCGGAA
TCGCTGGGATTGGGCGGGGTATATATCGGCGGCCTGCGCAATAATATTGAAGCGGTGACG
AAACTGCTTAAATTACCGCAGCATGTTCTGCCGCTGTTTGGGCTGTGCCTTGGCTGGCCT
GCGGATAATCCGGATCTTAAGCCGCGTTTACCGGCCTCCATTTTGGTGCATGAAAACAGC
TATCAACCGCTGGATAAAGGCGCACTGGCGCAGTATGACGAGCAACTGGCGGAATATTAC
CTCACCCGTGGCAGCAATAATCGCCGGGATACCTGGAGCGATCATATCCGCCGAACAATC
ATTAAAGAAAGCCGCCCATTTATTCTGGATTATTTGCACAAACAGGGTTGGGCGACGCGC
TAA
Chromosome Location
Not Available
Locus
Not Available
External Identifiers
ResourceLink
UniProtKB IDP17117
UniProtKB Entry NameNFSA_ECOLI
GenBank Protein ID609324
GenBank Gene IDU18655
General References
  1. Chatterjee PK, Sternberg NL: A general genetic approach in Escherichia coli for determining the mechanism(s) of action of tumoricidal agents: application to DMP 840, a tumoricidal agent. Proc Natl Acad Sci U S A. 1995 Sep 12;92(19):8950-4. [Article]
  2. Zenno S, Koike H, Kumar AN, Jayaraman R, Tanokura M, Saigo K: Biochemical characterization of NfsA, the Escherichia coli major nitroreductase exhibiting a high amino acid sequence homology to Frp, a Vibrio harveyi flavin oxidoreductase. J Bacteriol. 1996 Aug;178(15):4508-14. [Article]
  3. Oshima T, Aiba H, Baba T, Fujita K, Hayashi K, Honjo A, Ikemoto K, Inada T, Itoh T, Kajihara M, Kanai K, Kashimoto K, Kimura S, Kitagawa M, Makino K, Masuda S, Miki T, Mizobuchi K, Mori H, Motomura K, Nakamura Y, Nashimoto H, Nishio Y, Saito N, Horiuchi T, et al.: A 718-kb DNA sequence of the Escherichia coli K-12 genome corresponding to the 12.7-28.0 min region on the linkage map. DNA Res. 1996 Jun 30;3(3):137-55. [Article]
  4. Blattner FR, Plunkett G 3rd, Bloch CA, Perna NT, Burland V, Riley M, Collado-Vides J, Glasner JD, Rode CK, Mayhew GF, Gregor J, Davis NW, Kirkpatrick HA, Goeden MA, Rose DJ, Mau B, Shao Y: The complete genome sequence of Escherichia coli K-12. Science. 1997 Sep 5;277(5331):1453-62. [Article]
  5. Hayashi K, Morooka N, Yamamoto Y, Fujita K, Isono K, Choi S, Ohtsubo E, Baba T, Wanner BL, Mori H, Horiuchi T: Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110. Mol Syst Biol. 2006;2:2006.0007. Epub 2006 Feb 21. [Article]
  6. Kang WK, Icho T, Isono S, Kitakawa M, Isono K: Characterization of the gene rimK responsible for the addition of glutamic acid residues to the C-terminus of ribosomal protein S6 in Escherichia coli K12. Mol Gen Genet. 1989 Jun;217(2-3):281-8. [Article]
  7. Zenno S, Kobori T, Tanokura M, Saigo K: Conversion of NfsA, the major Escherichia coli nitroreductase, to a flavin reductase with an activity similar to that of Frp, a flavin reductase in Vibrio harveyi, by a single amino acid substitution. J Bacteriol. 1998 Jan;180(2):422-5. [Article]
  8. Kobori T, Sasaki H, Lee WC, Zenno S, Saigo K, Murphy ME, Tanokura M: Structure and site-directed mutagenesis of a flavoprotein from Escherichia coli that reduces nitrocompounds: alteration of pyridine nucleotide binding by a single amino acid substitution. J Biol Chem. 2001 Jan 26;276(4):2816-23. Epub 2000 Oct 16. [Article]

Drug Relations

Drug Relations
DrugBank IDNameDrug groupPharmacological action?ActionsDetails
DB00698Nitrofurantoinapproved, vet_approvedyespotentiatorDetails
DB03247Flavin mononucleotideapproved, investigationalunknownDetails