PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
3782058-5	1986	Furthermore, although the carbon-13 NMR signals of sphingosine C-1, C-2, C-3, C-4, and C-5 showed significant chemical shift differences between D-erythro and L-threo-sphingosines of lysosphingolipids, it was concluded that the signal position of sphingosine C-3 was the most important for the determination of D-erythro and L-threo configuration in the long chain base moieties of lysosphingolipids.	Carbon	26-32	complement C4A (Rodgers blood group)	Homo sapiens	78-81