Steroid sulfatase (or steryl-sulfatase), formerly known as arylsulfatase C, is a sulfatase enzyme involved in the metabolism of steroids. It is encoded by the STS gene.[1]
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The protein encoded by this gene catalyzes the conversion of sulfated steroid precursors to estrogens during pregnancy. The encoded protein is found in the endoplasmic reticulum, where it acts as a homodimer.[1]
A deficiency is associated with X-linked ichthyosis, a scaly-skin disease affecting roughly 1 in every 2,000-6,000 males.[2][3]
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