PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32584546-5 2020 Furthermore, we classified the different mucin types of O-glycopeptides from characteristic B2 (HexNAc2) or Y2alpha (PEP + HexNAc2), and Y2beta (PEP + HexNAcHex) fragment ions, along with the number of GlcNAc. o-glycopeptides 56-71 progestagen associated endometrial protein Homo sapiens 117-120