PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23368640-4 2013 ApoC3 exists in three main glycoisoforms, including ApoC3-1 and ApoC3-2, which contain an O-linked carbohydrate moiety consisting of three and four monosaccharide residues, respectively, and ApoC3-0 that lacks the entire glycosylation chain. o-linked carbohydrate 90-111 apolipoprotein C3 Homo sapiens 0-5