PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 32985653-3 2021 The Spike protein of SARS-CoV-2 is extensively glycosylated with 22 occupied N glycan sites and is required for viral entry. n glycan 77-85 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 4-9