PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12507512-4 2003 Furthermore, the recombinant pp-GalNAc-T14 transferred GalNAc to a panel of mucin-derived peptide substrates such as Muc2, Muc5AC, Muc7, and Muc13 (-58). N-acetylgalactosaminuronic acid 32-38 mucin 2, oligomeric mucus/gel-forming Homo sapiens 117-121