UniProt Summary: Acts as accessory component 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. Required for efficient substrate- specific N-glycosylation probably involving the STT3A-containing OST complex. May be involved in N-glycosylation of APP (amyloid- beta precursor protein). Can modulate gamma-secretase cleavage of APP by enhancing endoprotelysis of PSEN1. {ECO:0000269|PubMed:21768116, ECO:0000269|PubMed:22467853, ECO:0000305}.
Pfam DomainsGO Terms
Pfam Domains
Keratin assoc
GO Terms
protein N-linked glycosylation via arginine
oligosaccharyltransferase complex
peptidyl-arginine modification
protein N-linked glycosylation
macromolecule glycosylation
protein glycosylation
glycosylation
glycoprotein biosynthetic process
glycoprotein metabolic process
cellular component
carbohydrate derivative biosynthetic process
molecular function
peptidyl-amino acid modification
carbohydrate derivative metabolic process
organonitrogen compound biosynthetic process
cellular macromolecule biosynthetic process
macromolecule biosynthetic process
CRISPR Data
Compound HitMost Correlated Genes in ChemogenomicsTissues where Essential in the Avana Dataset (DepMap 20Q1)