The Enzyme Database

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Accepted name: methanesulfonate monooxygenase (FMNH2)
Reaction: methanesulfonate + FMNH2 + O2 = formaldehyde + FMN + sulfite + H2O
Glossary: methanesulfonate = CH3-SO3-
formaldehyde = H-CHO
Other name(s): msuD (gene name); ssuD (gene name)
Systematic name: methanesulfonate,FMNH2:oxygen oxidoreductase
Comments: The enzyme, characterized from Pseudomonas strains, allows the organisms to utilize methanesulfonate as their sulfur source. It acts in combination with a dedicated NADH-dependent FMN reductase (EC, which provides it with reduced FMN. cf. EC, methanesulfonate monooxygenase (NADH).
Links to other databases: BRENDA, EAWAG-BBD, EXPASY, KEGG, MetaCyc, PDB
1.  Kertesz, M.A., Schmidt-Larbig, K. and Wuest, T. A novel reduced flavin mononucleotide-dependent methanesulfonate sulfonatase encoded by the sulfur-regulated msu operon of Pseudomonas aeruginosa. J. Bacteriol. 181 (1999) 1464–1473. [PMID: 10049377]
2.  Endoh, T., Kasuga, K., Horinouchi, M., Yoshida, T., Habe, H., Nojiri, H. and Omori, T. Characterization and identification of genes essential for dimethyl sulfide utilization in Pseudomonas putida strain DS1. Appl. Microbiol. Biotechnol. 62 (2003) 83–91. [DOI] [PMID: 12835925]
[EC created 2016]

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