Lyophilized from 0.22µm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Expression System:
CHO
Purity:
> 95% as determined by Bis-Tris PAGE
Form:
Lyophilized
Sequence:
Arg31-Ala263
Target:
R spondin 1/RSPO1
Human R spondin 1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
Immobilized Human R spondin 1, His Tag at 5ug/ml (100ul/well) on the plate. Dose response curve for Human RNF34, hFc Tag with the EC50 of 0.4ug/ml determined by ELISA.
Measured by its ability to induce Topflash reporter activity in HEK293T human embryonic kidney cells. The ED50-for this effect is 1.0 - 10.0 ng/mL in the presence of 5 ng/mL recombinant Human Wnt Surrogate-Fc Fusion (WNT-HM23A) (QC Test).
Immobilized Human R spondin 1, His Tag at 0.5ug/ml (100ul/well) on the plate. Dose response curve for Anti-R spondin 1 Antibody, hFc Tag with the EC50 of 2.9ng/ml determined by ELISA (QC Test).
Immobilized Human LRP-6, mFc Tag at 5ug/ml (100ul/well) on the plate. Dose response curve for Human R spondin 1, His Tag with the EC50 of 4.4ug/ml determined by ELISA.
Loaded Human R spondin 1, His Tag on Anti-His-Biosensor can bind Human RNF43, hFc Tag with an affinity constant of 18.50 nM as determined in BLI assay (Gator Prime).
Loaded Human R spondin 1, His Tag on Anti-His-Biosensor can bind Human LRP-6, mFc Tag with an affinity constant of 8.97 nM as determined in BLI assay (Gator Prime).
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