Involved in teeth and skeletal development. Has an essential role in the biosynthesis and trafficking of glycosaminoglycans and glycoproteins to produce a proper functioning extracellular matrix. Required for extracellular matrix mineralization. Also involved in the regulation of cellular calcium homeostasis. Does not show transport activity towards bile acids or steroid sulfates. Belongs to the bile acid:sodium symporter (BASS) (TC 2.A.28) family.