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STT3A

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3A is a protein in humans that is encoded by STT3A gene. Catalytic subunit of the N-oligosaccharyl transferase (OST) complex which catalyzes the transfer of a high mannose oligosaccharide from a lipid-linked oligosaccharide donor to an asparagine residue within an Asn-X-Ser/Thr consensus motif in nascent polypeptide chains. N-glycosylation occurs cotranslationally and the complex associates with the Sec61 complex at the channel-forming translocon complex that mediates protein translocation across the endoplasmic reticulum (ER). SST3A seems to be involved in complex substrate specificity. STT3A is present in the majority of OST complexes and mediates cotranslational N-glycosylation of most sites on target proteins, while STT3B-containing complexes are required for efficient post-translational glycosylation and mediate glycosylation of sites that have been skipped by STT3A.

STT3A Antibodies

STT3A for Homo sapiens (Human)

STT3A Proteins

STT3A Proteins for Mus musculus (Mouse)

STT3A Proteins for Homo sapiens (Human)

STT3A Proteins for Bos taurus (Bovine)

STT3A Proteins for Pongo abelii (Sumatran orangutan)