PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33679194-6 2021 In addition, SARS-CoV-2 S trimer model uncovered the presence of N-acetyl glucosamine ligands. Acetylglucosamine 65-85 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 13-14