PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3549733-8 1987 The invertase from a mutant, mnn1 mnn9 dpg1, which underglycosylates its glycoproteins and produces invertase with 4-7 oligosaccharide chains, forms oligomers of much lower stability than the mnn1 mnn9 invertase, which has 8-11 carbohydrate chains. 4-7 oligosaccharide 115-134 mannosyltransferase complex subunit MNN9 Saccharomyces cerevisiae S288C 34-38