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Your Position: Home > All Other Proteins > R-Spondin 3 > Human R-Spondin 3 / RSPO3 (22-146) Protein, His Tag

Human R-Spondin 3 / RSPO3 (22-146) Protein, His Tag

  • Synonym
    RSPO3,CRISTIN1,PWTSR,THSD2
  • Source
    Human R-Spondin 3 (22-146), His Tag (RS6-H5222) is expressed from human 293 cells (HEK293). It contains AA Gln 22 - Val 146 (Accession # AAH22367).
    Predicted N-terminus: Gln 22
  • Molecular Characterization
    Online(Gln 22 - Val 146) AAH22367

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 15.3 kDa. The protein migrates as 18 kDa and 24 kDa under reducing (R) condition (SDS-PAGE) due to different glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    No activity loss was observed after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Human R-Spondin 3 (22-146), His Tag (Cat. No. RS6-H5222) SDS-PAGE gel

Human R-Spondin 3 (22-146), His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

  • Background
    R-Spondin 3 (RSPO3) is also called cysteine-rich and single thrombospondin domain containing-1 (CRISTIN1), Protein with TSP type-1 repeat (PWTSR), is a member of the R-spondin protein family. R-spondins (RSPO) are a recently discovered secretory protein family with four members in human and mouse. Although all four RSPO proteins activate the canonical Wnt pathway, RSPO2 and RSPO3 are more potent than RSPO1, whereas RSPO4 is relatively inactive. RSPO-3 is expressed ubiquitously and expressed at higher level in placenta, small intestine, fetal thymus and lymph node. RSPO3 is the activator of the beta-catenin signaling cascade, leading to TCF-dependent gene activation. RSPO3 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. RSPO3 also acts as a ligand for frizzled FZD8 and LRP6 and may negatively regulate the TGF-beta pathway.
  • References
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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