PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18046457-3 2008 Here, we report that a thermophilic archaeon, Pyrococcus furiosus OST is composed of the STT3 protein alone, and catalyzes the transfer of a heptasaccharide, containing one hexouronate and two pentose residues, onto peptides in an Asn-X-Thr/Ser-motif-dependent manner. hexouronate 173-184 dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 Saccharomyces cerevisiae S288C 89-93