PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9254046-2 1997 A combination of 1H-NMR and mass spectrometry techniques (MALD-MS, ES-MS, and CID-MS-MS) allowed us to elucidate the N-linked oligosaccharides microheterogeneity on three different N-glycosylation sites, Asn233, Asn476, and Asn545, of a baculovirus-expressed recombinant bovine lactoferrin produced in Mamestra brassicae. n-linked oligosaccharides 117-142 lactotransferrin Bos taurus 278-289