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Information on EC 1.14.13.111 - methanesulfonate monooxygenase (NADH)

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IUBMB Comments
A flavoprotein. Methanesulfonate is the simplest of the sulfonates and is a substrate for the growth of certain methylotrophic microorganisms. Compared with EC 1.14.14.5, alkanesulfonate monooxygenase, this enzyme has a restricted substrate range that includes only the short-chain aliphatic sulfonates (methanesulfonate to butanesulfonate) and excludes all larger molecules, such as arylsulfonates . The enzyme from the bacterium Methylosulfonomonas methylovora is a multicomponent system comprising a hydroxylase, a reductase (MsmD) and a ferredoxin (MsmC). The hydroxylase has both large (MsmA) and small (MsmB) subunits, with each large subunit containing a Rieske-type [2Fe-2S] cluster. cf. EC 1.14.14.34, methanesulfonate monooxygenase (FMNH2).
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The enzyme appears in viruses and cellular organisms
Synonyms
methanesulfonate monooxygenase, methanesulfonic acid monooxygenase, MSA monooxygenase, MSAMO, Msm, MsmA, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
methanesulfonate + NADH + H+ + O2 = formaldehyde + NAD+ + sulfite + H2O
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PATHWAY SOURCE
PATHWAYS
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