PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9266755-1 1997 SGP-1/prosaposin can be secreted or targeted to the lysosomes where it is processed into smaller saposins A, B, C, and D required for the hydrolysis of glycosphingolipids. saposins a, b, c, and d 97-120 prosaposin Mus musculus 6-16