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Human DDOST qPCR primer pairs

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Human DDOST qPCR Product Information
Gene Synonym:OST, WBP1, AGER1, CDG1R, OST48, OKSWcl45
PCR_SIZE (bp):
QPCR Primer Description:Verified forward and reverse primers for analyzing the quantitative expression of gene
Quality Control:The primer mix has been verified to generate satisfactory qPCR data on Roche LightCycler480
Shipping_carrier:1 vial of lyophilized qPCR primer mix (1 nmol each primer, sufficient for 200 numbers of 25 μl reactions) is shipped at ambiente temperatura.
Storage:The lyophilized product is stable for one year from date of receipt when stored at -20℃.
The suspended product is stable for six months from date of receipt when stored at -20℃.
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Sino biological qEASY qPCR primer pairs are used for SYBR Green-based real-time RT-PCR, The primers are designed by using SBI's proprietary primer design algorithm. Our primer collection covers the entire human genomes. It can be widely applied in the quantitative analysis of gene expression.

Unique Primer Design

To avoid genomic DNA amplification, at least one primer is designed crosses the junction of exons according to the conserved region of a specific gene with all variants.

Strict Validation Process

Confirmed in positive organizations; screened the primer with high specificity and high sensitivity.

Uniform PCR conditions, Saving time and cost

~100% amplification curve, ensuring the accuracy of the RNA quantitative

DDOST/OST48 Background

The enzyme oligosaccharyltransferase (dolichyl-diphosphooligosaccharide-protein glycosyltransferase) (DDOST), or 48-kDa subunit (OST48) is one of the catalytic subunits in this complex, exerts a typical type I membrane topology, containing a large luminal domain, a hydrophobic transmembrane domain and a short cytosolic peptide tail. DDOST/OST48 catalyzes the transfer of a high-mannose oligosaccharide (GlcNac2Man9Glc3) from a dolichol-linked oligosaccharide donor (dolichol-P-GlcNac2Man9Glc3) onto the asparagine acceptor site within an Asn-X-Ser/Thr consensus motif in nascent polypeptide chains across the membrane of the endoplasmic reticulum. The mammalian oligosaccharyltransferase (OST) is an oligomeric complex composed of three type I transmembrane proteins of the endoplasmic reticulum: ribophorin I (RI), ribophorin II (RII), and OST48. OST48 is not a glycoprotein and is not recognized by antibodies to either ribophorin. Like ribophorins I and II, OST48 was found to be an integral membrane protein, with the majority of the polypeptide located within the lumen of the endoplasmic reticulum (ER). OST48 does not show significant amino acid sequence homology to either ribophorin I or II. It had been found that only the luminal domain of RI contains ER retention information. The dilysine motif in OST48 functions as an ER localization motif because OST48 in which the two lysine residues are replaced by serine (OST48ss) is no longer retained in the ER and is found instead also at the plasma membrane.

Human DDOST/OST48 References
  • Silberstein S, et al. (1992) The 48-kDa subunit of the mammalian oligosaccharyltransferase complex is homologous to the essential yeast protein WBP1. J Biol Chem. 267(33): 23658-63.
  • Fu J, et al. (1997) Interactions among subunits of the oligosaccharyltransferase complex. J Biol Chem. 272(47): 29687-92.
  • Yamagata T, et al. (1997) Genomics. Genome organization of human 48-kDa oligosaccharyltransferase (DDOST). 45(3): 535-40.
  • Fu J, et al. (2000) Retention of subunits of the oligosaccharyltransferase complex in the endoplasmic reticulum. J Biol Chem. 275(6): 3984-90.
  • Hardt B, et al. (2001) Analysis of structural signals conferring localisation of pig OST48 to the endoplasmic reticulum. Biol Chem. 382(7): 1039-47.
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    Catalog: HP104794
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