The Enzyme Database

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Accepted name: alkanal monooxygenase (FMN)
Reaction: an aldehyde + FMNH2 + O2 = a carboxylate + FMN + H2O +
Glossary: an aldehyde = R-CHO
a carboxylate = R-COO-
Other name(s): bacterial luciferase; aldehyde monooxygenase; luciferase; Vibrio fischeri luciferase; alkanal,reduced-FMN:oxygen oxidoreductase (1-hydroxylating, luminescing); alkanal,FMNH2:oxygen oxidoreductase (1-hydroxylating, luminescing)
Systematic name: aldehyde,FMNH2:oxygen oxidoreductase (1-hydroxylating, luminescing)
Comments: The reaction sequence involves incorporation of a molecule of oxygen into reduced FMN, and subsequent reaction with the aldehyde to form an activated FMN.H2O complex, which breaks down with emission of light. The enzyme is highly specific for reduced FMN, and for long-chain aliphatic aldehydes with eight carbons or more.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9014-00-0
1.  Hastings, J.W. Bacterial bioluminescence light emission in the mixed function oxidation of reduced flavin and fatty aldehyde. Crit. Rev. Biochem. 5 (1978) 163–184. [PMID: 363350]
2.  Hastings, J.W. and Nealson, K.H. Bacterial bioluminescence. Annu. Rev. Microbiol. 31 (1977) 549–595. [PMID: 199107]
3.  Hastings, J.W. and Presswood, R.P. Bacterial luciferase: FMNH2-aldehyde oxidase. Methods Enzymol. 53 (1978) 558–570. [PMID: 309549]
4.  Nealson, K.H. and Hastings, J.W. Bacterial bioluminescence: its control and ecological significance. Microbiol. Rev. 43 (1979) 496–518. [PMID: 396467]
5.  Suzuki, K., Kaidoh, T., Katagiri, M. and Tsuchiya, T. O2 incorporation into a long-chain fatty-acid during bacterial luminescence. Biochim. Biophys. Acta 722 (1983) 297–301.
[EC created 1981]

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