STT3A

Formats

Anti-STT3A Recombinant Antibody Products

Mouse Anti-STT3A Recombinant Antibody (clone 32H9) (MOB-2932z)
- Derivation: Mouse
- Species Reactivity: Human
- Type: Mouse IgG1, κ
- Application: WB, ELISA, IHC
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Recombinant Mouse anti-Human STT3A Monoclonal antibody (EML478) (MOB-1974CT)
- Species Reactivity: Human
- Application: IHC-P, WB
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For Research Use Only. Not For Clinical Use.

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 cotranslational glycosylation and mediate glycosylation of sites that have been skipped by STT3A.

Protein class

Cancer-related genes, Disease related genes, Enzymes, Human disease related genes, Metabolic proteins, Potential drug targets, Transporters

Predicted location

Membrane

Single cell type specificity

Cell type enhanced (Plasma cells)

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

Component of the oligosaccharyltransferase (OST) complex (PubMed:31831667). OST exists in two different complex forms which contain common core subunits RPN1, RPN2, OST48, OST4, DAD1 and TMEM258, either STT3A or STT3B as catalytic subunits, and form-specific accessory subunits (PubMed:23606741, 25135935, 31831667). STT3A complex assembly occurs through the formation of 3 subcomplexes. Subcomplex 1 contains RPN1 and TMEM258, subcomplex 2 contains the STT3A-specific subunits STT3A, DC2/OSTC, and KCP2 as well as the core subunit OST4, and subcomplex 3 contains RPN2, DAD1, and OST48. The STT3A complex can form stable complexes with the Sec61 complex or with both the Sec61 and TRAP complexes (By similarity).

Molecular function

Glycosyltransferase, Transferase

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