Delta 4,5-hexuronate-2-O-sulfatase

UniProtKB accession:  Q8A7C8

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UniProtKB description:  Exosulfatase involved in the degradation of the glycosaminoglycans (GAGs) chondroitin sulfate (CS), dermatan sulfate (DS) and heparan sulfate (HS). 2-O-sulfatase active on unsaturated non-reducing end hexuronate units. Has a slight preference for HS-derived structures (PubMed:25002587). GAG-specific sulfatases play a key role in the persistence of the major human gut symbiont B.thetaiotaomicron in the host gastrointestinal tract (PubMed:25002587).