PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3081038-2 1986 SAP-1 or sulfatide/GM1 ganglioside activator protein has previously been demonstrated to stimulate the enzymatic hydrolysis of sulfatide, GM1 ganglioside and globotriaosylceramide. globotriaosylceramide 158-179 prosaposin Homo sapiens 0-5