PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 35191576-2 2022 The NMR-based distinction between the signals of those sialic acids in the glycans covalently attached to the spike protein and those belonging to the exogenous a2,3 and a2,6 sialyl N-Acetyllactosamine ligands has been achieved by synthesizing uniformly 13C-labelled trisaccharides at the sialic acid and galactose moieties. Galactose 305-314 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 110-115