PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10451222-5 1999 This hCG isoform was not only 100% nicked, but also contained 100% tetrasaccharide-core O-linked carbohydrate moieties in its beta COOH-terminal region. tetrasaccharide 67-82 chorionic gonadotropin subunit beta 5 Homo sapiens 5-8