PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9813032-3	1998	Distinct enzymes were found to contribute to three waves of ceramide, neutral sphingomyelinase, ceramide synthase, and acid sphingomyelinase, with peak activities at 1-2, 40, and around 200 min, respectively, the latter coinciding with progression to irreversible damage.	Ceramides	60-68	sphingomyelin phosphodiesterase 2	Homo sapiens	70-94