The Enzyme Database

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Accepted name: serine-type anaerobic sulfatase-maturating enzyme
Reaction: S-adenosyl-L-methionine + a [sulfatase]-L-serine = a [sulfatase]-3-oxo-L-alanine + 5′-deoxyadenosine + L-methionine
Glossary: 3-oxo-L-alanine = (S)-formylglycine = (S)-Cα-formylglycine = FGly
Other name(s): atsB (gene name)
Systematic name: [sulfatase]-L-serine:S-adenosyl-L-methionine oxidoreductase (3-oxo-L-alanine-forming)
Comments: A bacterial radical S-adenosyl-L-methionine (AdoMet) enzyme that contains three [4Fe-4S] clusters. The enzyme, found in some bacteria, activates a type I sulfatase enzyme (EC by converting a conserved L-serine residue in the active site to a unique 3-oxo-L-alanine residue that is essential for the sulfatase activity. While the enzyme from Klebsiella pneumoniae is specific for L-serine, the enzyme from Clostridium perfringens can also act on L-cysteine, see EC, cysteine-type anaerobic sulfatase-maturating enzyme.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Szameit, C., Miech, C., Balleininger, M., Schmidt, B., von Figura, K. and Dierks, T. The iron sulfur protein AtsB is required for posttranslational formation of formylglycine in the Klebsiella sulfatase. J. Biol. Chem. 274 (1999) 15375–15381. [PMID: 10336424]
2.  Fang, Q., Peng, J. and Dierks, T. Post-translational formylglycine modification of bacterial sulfatases by the radical S-adenosylmethionine protein AtsB. J. Biol. Chem. 279 (2004) 14570–14578. [PMID: 14749327]
3.  Grove, T.L., Lee, K.H., St Clair, J., Krebs, C. and Booker, S.J. In vitro characterization of AtsB, a radical SAM formylglycine-generating enzyme that contains three [4Fe-4S] clusters. Biochemistry 47 (2008) 7523–7538. [PMID: 18558715]
[EC created 2020]

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