Name: Human R spondin 1/RSPO1 Protein (RS1-HM101)
Brand: KactusBio
SKU: RS1-HM101-100UG
Price: 198.0 USD
Availability: InStock

ELISA binding curve of human R spondin 1 His tag protein showing mean absorbance versus log anti-R spondin 1 antibody concentration

Human R spondin 1/RSPO1 Protein (RS1-HM101)

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 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.

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.

Human R spondin 1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

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).

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).

Express System: CHO
Product Tag: C-His
Purity: > 95% as determined by Bis-Tris PAGE
Activity: 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). See testing image for detail.
Amino Acid Range: Arg31-Ala263

Catalog #RS1-HM101

Size

100UG

500UG

Order by 4pm ET for delivery on:

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Human R spondin 1/RSPO1 Protein (RS1-HM101) Summary

Product Description	Recombinant Human R spondin 1/RSPO1 Protein is expressed from CHO with His tag at the C-Terminus.It contains Arg31-Ala263.
Product Background	The R-spondins are members of a superfamily of thrombospondin type 1 repeat (TSR-1)-containing proteins. The prototype member (discovered in 1971) was isolated from platelets that had been stimulated with thrombin, and was therefore designated 'thrombin-sensitive protein.
Product Category	Recombinant Protein / Antibody discovery / Antibody discovery \| Others

Human R spondin 1/RSPO1 Protein (RS1-HM101) Specifications/Details

Protein	R spondin 1/RSPO1
Synonyms	R-spondin-1; RSPO1; CRISTIN3; FLJ40906; RP11-566C13.1; RSPO; R-Spondin1
Accession	Q2MKA7
Species	Human
Biotinylated	no
Amino Acid Range	Arg31-Ala263
Molecular Weight	The protein has a predicted MW of 27.3 kDa. Due to glycosylation, the protein migrates to 38-42 kDa based on Bis-Tris PAGE result.
Activity	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). See testing image for detail.
Product Tag	C-His
Expression System	CHO
Purity	> 95% as determined by Bis-Tris PAGE
Endotoxin	Less than 0.05 EU per ug by the LAL method.

Shipping, Reconstitution, & Storage

Form	Lyophilized
Shipping	Shipped at ambient temperature.
Formulation	Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution	Dissolve the lyophilized protein in distilled water. It is recommended to resuspend at 0.5 mg/mL if the lyophilized powder is 100 ug or less, at 1mg/ml for 500ug or 1mg lyophilized powder. Do not mix by vortex or vigorous shaking.
Stability And Storage	-20 to -80°C for 12 months as supplied from date of receipt.；-80°C for 3 months after reconstitution.；Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

Validation Images

	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 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.
	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.
	Human R spondin 1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
	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).
	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).