The Enzyme Database

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Accepted name: (R)-specific secondary-alkylsulfatase (type III)
Reaction: an (R)-secondary-alkyl sulfate + H2O = an (S)-secondary-alcohol + sulfate
Other name(s): S3 secondary alkylsulphohydrolase; Pisa1; secondary alkylsulphohydrolase; (R)-specific sec-alkylsulfatase; sec-alkylsulfatase; (R)-specific secondary-alkylsulfatase; type III (R)-specific secondary-alkylsulfatase
Systematic name: (R)-secondary-alkyl sulfate sulfohydrolase [(S)-secondary-alcohol-forming]
Comments: Sulfatase enzymes are classified as type I, in which the key catalytic residue is 3-oxo-L-alanine, type II, which are non-heme iron-dependent dioxygenases, or type III, whose catalytic domain adopts a metallo-β-lactamase fold and binds two zinc ions as cofactors. This enzyme belongs to the type III sulfatase family. The enzyme from the bacterium Rhodococcus ruber prefers linear secondary-alkyl sulfate esters, particularly octan-2-yl, octan-3-yl, and octan-4-yl sulfates [1]. The enzyme from the bacterium Pseudomonas sp. DSM6611 utilizes a range of secondary-alkyl sulfate esters bearing aromatic, olefinic and acetylenic moieties. Hydrolysis proceeds through inversion of the configuration at the stereogenic carbon atom, resulting in perfect enantioselectivity. cf. EC, arylsulfatase (type I), and EC, alkyl sulfatase (type II).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Pogorevc, M. and Faber, K. Purification and characterization of an inverting stereo- and enantioselective sec-alkylsulfatase from the gram-positive bacterium Rhodococcus ruber DSM 44541. Appl. Environ. Microbiol. 69 (2003) 2810–2815. [DOI] [PMID: 12732552]
2.  Wallner, S.R., Nestl, B.M. and Faber, K. Highly enantioselective sec-alkyl sulfatase activity of Sulfolobus acidocaldarius DSM 639. Org. Lett. 6 (2004) 5009–5010. [DOI] [PMID: 15606122]
3.  Knaus, T., Schober, M., Kepplinger, B., Faccinelli, M., Pitzer, J., Faber, K., Macheroux, P. and Wagner, U. Structure and mechanism of an inverting alkylsulfatase from Pseudomonas sp. DSM6611 specific for secondary alkyl sulfates. FEBS J. 279 (2012) 4374–4384. [DOI] [PMID: 23061549]
4.  Schober, M., Knaus, T., Toesch, M., Macheroux, P., Wagner, U. and Faber, K. The substrate spectrum of the inverting sec-alkylsulfatase Pisa1. Adv. Synth. Catal. 354 (2012) 1737–1742. [DOI]
[EC created 2013, modified 2021]

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