The Enzyme Database

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Accepted name: sulfoacetaldehyde reductase (NADPH)
Reaction: isethionate + NADP+ = 2-sulfoacetaldehyde + NADPH + H+
Glossary: isethionate = 2-hydroxyethanesulfonate
2-sulfoacetaldehyde = 2-oxoethanesulfonate
Other name(s): isfD (gene name)
Systematic name: isethionate:NADP+ oxidoreductase
Comments: Catalyses the reaction only in the opposite direction. Involved in taurine degradation. The bacterium Chromohalobacter salexigens strain DSM 3043 possesses two enzymes that catalyse this reaction, a constitutive enzyme (encoded by isfD2) and an inducible enzyme (encoded by isfD). The latter is induced by taurine, and is responsible for most of the activity observed in taurine-grown cells. cf. EC, sulfoacetaldehyde reductase (NADH).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Krejcik, Z., Hollemeyer, K., Smits, T.H. and Cook, A.M. Isethionate formation from taurine in Chromohalobacter salexigens: purification of sulfoacetaldehyde reductase. Microbiology 156 (2010) 1547–1555. [DOI] [PMID: 20133363]
[EC created 2011, modified 2022]

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