PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22537678-4 2012 Other enzymes of sphingolipid metabolism, such as neutral ceramidase, acid sphingomyelinase, acid glucosylceramide hydrolase, sphingomyelin synthase and glucosylceramide synthase, are not affected. Sphingolipids 17-29 sphingomyelin phosphodiesterase 1 Homo sapiens 70-91