RSPO1 Protein, Human, Recombinant

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RSPO1 Protein, Human, Recombinant: 製品情報

純度
(53.2+43.4) % as determined by SDS-PAGE
内毒素
< 1.0 EU per μg of the protein as determined by the LAL method
活性
Measured by its ability to induce activation of ßcatenin response in a Topflash Luciferase assay using HEK293T human embryonic kidney cells. The ED50 for this effect is typically 20-120 ng/mL in the presence of 5 ng/mL recombinant mouse Wnt3a.
タンパク質の構築
A DNA sequence encoding the human RSPO1 (NP_001033722.1) ( Met 1-Ala 263 )was expressed and purified.
発現ホスト
CHO Stable Cells
Human
予測N末端
Ser 21
分子量
The recombinant human RSPO1 consists of 243 amino acids and has a predicted molecular mass of 26.8 kDa. As a result of glycosylation, the apparent molecular mass of it is approximately 40 and 31 kDa in SDS-PAGE under reducing conditions.
バッファー
Lyophilized from sterile PBS, PH 7.4.
Please contact us for any concerns or special requirements.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the hard copy of CoA.
配送
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
安定性 & 保存条件
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
再構成
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

RSPO1 Protein, Human, Recombinant: 画像

Measured by its ability to induce activation of ßcatenin response in a Topflash Luciferase assay using HEK293T human embryonic kidney cells. The ED50 for this effect is typically 20-120 ng/mL in the presence of 5 ng/mL recombinant mouse Wnt3a.

RSPO1 Protein, Human, Recombinant: 別名

CRISTIN3 Protein, Human; R-Spondin 1 Protein, Human; RSPO Protein, Human

RSPO1 背景情報

RSPO1 gene is a member of the R-spondin family. It encodes RSPO1 which is known as a secreted activator protein with two cystein-rich, furin-like domains and one thrombospondin type 1 domain. In mice, RSPO1 induces the rapid onset of crypt cell proliferation and increases intestinal epithelial healing, providing a protective effect against chemotherapy-induced adverse effects. This protein is an activator of the beta-catenin signaling cascade, leading to TCF-dependent gene activation. RSPO1 acts both in the canonical Wnt/beta-catenin-dependent pathway and in non-canonical Wnt signaling pathway, probably by acting as an inhibitor of ZNRF3, an important regulator of the Wnt signaling pathway. It also acts as a ligand for frizzled FZD8 and LRP6.
完全な名称
R-spondin 1
参考文献
  • Kamata T, et al. (2004) R-spondin, a novel gene with thrombospondin type 1 domain, was expressed in the dorsal neural tube and affected in Wnts mutants. Biochim Biophys Acta. 1676(1):51-62.
  • Ota T, et al. (2004) Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 36(1):40-5.
  • Strausberg RL, et al. (2003) Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences. Proc Natl Acad Sci. 99(26):16899-903.
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