PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2880725-4 1987 This communication demonstrates that CD2 contains N-linked carbohydrate as endo-beta-N-acetylglucosaminidase F digestion reduced its apparent mol. n-linked carbohydrate 50-71 O-GlcNAcase Homo sapiens 80-108