May be essential for the correct composition of cartilage and bone matrix during development. Has no activity toward steroid sulfates. Defects in ARSE are the cause of chondrodysplasia punctata X-linked recessive type 1 (CDPX1). CDP is a clinically and genetically heterogeneous disorder characterized by punctiform calcification of the bones. CDPX1 is a congenital defect of bone and cartilage development characterized by aberrant bone mineralization, severe underdevelopment of nasal cartilage, and distal phalangeal hypoplasia. This disease can also be induced by inhibition with the drug warfarin. Belongs to the sulfatase family. Note: This description may include information from UniProtKB.