... critical active-sitecysteinyl or seryl residue (Fig. 1A) . This has led to theclassification of sulfatases into two subtypes, namelyCys-type sulfatases and Ser-type sulfatases. In eukary-otes, ... Benjdia A, Leprince J, Guillot A, Vaudry H, Rabot S & Berteau O (2007) Anaerobic sulfatase-maturatingenzymes: radical SAM enzymes able to catalyze in vitrosulfatase post-translational modification. ... Zn-dependent alkylsulfatases [2] and thebroad family of arylsulfatases [3]. This latter familyof enzymes, termed ‘sulfatases’ in this article, iscertainly the most widespread among bacteria, someof...