An enzyme that specifically cleaves the ester sulfate of iduronic acid. Its deficiency has been demonstrated in Hunter`s syndrome, which is characterized by an excess of dermatan sulfate and heparan sulfate. EC 126.96.36.199.
Iduronate 2-sulfatase (550 aa, ~62 kDa) is encoded by the human IDS gene. This protein is involved in the degradation of glycosaminoglycans.