PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
23267130-1	2013	BACKGROUND: Dihydroceramide desaturase 1 (DES) is the enzyme responsible for converting dihydroceramide into ceramide in the de novo sphingolipid biosynthesis pathway.	Sphingolipids	133-145	delta 4-desaturase, sphingolipid 1	Homo sapiens	12-40