OST4 report

I. Expression across cell types

II. Expression across tissues

III. Associated gene sets

GO_0018279Biological processprotein N-linked glycosylation via asparagine
GO_0006487Biological processprotein N-linked glycosylation
GO_0008250Cellular componentoligosaccharyltransferase complex
GO_0005789Cellular componentendoplasmic reticulum membrane
GO_0005515Molecular functionprotein binding

IV. Literature review

[source]
Gene nameOST4
Protein nameDolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4
Synonyms
DescriptionFUNCTION: Subunit of the oligosaccharyl transferase (OST) complex that catalyzes the initial transfer of a defined glycan (Glc(3)Man(9)GlcNAc(2) in eukaryotes) from the lipid carrier dolichol-pyrophosphate to an asparagine residue within an Asn-X-Ser/Thr consensus motif in nascent polypeptide chains, the first step in protein N-glycosylation . 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). All subunits are required for a maximal enzyme activity. Specifically involved in maintaining stability of STT3A-containing OST complexes. .

AccessionsENST00000447619.5
P0C6T2
ENST00000456793.2
ENST00000429985.1