Ulvan-active sulfatase

UniProtKB accession:  T2KPK5

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UniProtKB description:  Sulfatase involved in ulvan degradation (PubMed:31285597). Ulvan is the main polysaccharide component of the Ulvales (green seaweed) cell wall. It is composed of disaccharide building blocks comprising 3-sulfated rhamnose (Rha3S) linked to D-glucuronic acid (GlcA), L-iduronic acid (IduA), or D-xylose (Xyl) (Probable). The sulfatase is most active on ulvan polymers, particularly on xylose-rich ulvan. It can desulfate oligosaccharides containing the motif Rha3S-Xyl2S-Rha3S and thus likely proceeds in an endolytic mode of action, removing sulfates from xylose residues in periplasmic oligosaccharides (PubMed:31285597).