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Product Details
Synonyms
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 # AAH22367.1).
Predicted N-terminus: Gln 22
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 15.9 kDa. The protein migrates as 16 kDa and 19-21 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>90% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
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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.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
Human R-Spondin 3 (22-146), His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.
Bioactivity-ELISA
Immobilized Human LGR5 protein, Fc Tag (Cat. No. LG5-H5253) at 5 μg/mL (100 μL/well) can bind Human R-Spondin 3 (22-146), His Tag (Cat. No. RS6-H5222) with a linear range of 1-20 ng/mL (Routinely tested).
Protocol
Immobilized Human R-Spondin 3 (22-146), His Tag (Cat. No. RS6-H5222) at 5 μg/mL (100 μL/well) can bind Human RNF43, Fc Tag (Cat. No. RN3-H5256) with a linear range of 0.3-5 ng/mL (Routinely tested).
Protocol
Bioactivity-SPR
Human R-Spondin 3 (22-146), His Tag (Cat. No. RS6-H5222) with immobilized on CM5 Chip can bind Human LGR5, His Tag (Cat. No. LG5-H52H3) with an affinity constant of 18.6 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
R-spondin-3
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
0 Details
- Highest Development Stage：
Preclinical
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