Human SIRP alpha V2/CD172a Protein (SRP-HM2V2)

  • Express System: HEK293
  • Product Tag: C-hFc
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • Activity: Immobilized Human CD47, His Tag at 2ug/ml (100ul/Well). Dose response curve for Human SIRP alpha V2, hFc Tag with the EC50 of 41.9ng/ml determined by ELISA (QC Test). See testing image for detail.
  • Amino Acid Range: Glu31-Arg369

Catalog: SRP-HM2V2

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Product Description Recombinant Human SIRP alpha V2/CD172a Protein is expressed from HEK293 with hFc tag at the C-Terminus.It contains Glu31-Arg369.

Product Background

Signal regulatory protein α (SIRPα) is a regulatory membrane glycoprotein from SIRP family expressed mainly by myeloid cells and also by stem cells or neurons.SIRPα acts as inhibitory receptor and interacts with a broadly expressed transmembrane protein CD47 also called the "don´t eat me" signal.Cancer cells highly expressed CD47 that activate SIRP α and inhibit macrophage-mediated destruction.

Product Category

Recombinant Protein

Target

SIRP alpha V2/CD172a
Synonyms CD172a; BIT; MFR; MYD1; MYD-1; P84; PTPNS1; SHP substrate 1; SHPS1; SHPS-1; SHPS1CD172A; SIRP alpha; SIRPA; Sirp-alpha-1; SIRPalpha2; Sirp-alpha-2; Sirp-alpha-3
Accession

Species

Human

Amino Acid Range

Glu31-Arg369
Molecular Weight The protein has a predicted MW of 63.9 kDa. Due to glycosylation, the protein migrates to 75-85 kDa based on Tris-Bis PAGE result.

Activity

Immobilized Human CD47, His Tag at 2ug/ml (100ul/Well). Dose response curve for Human SIRP alpha V2, hFc Tag with the EC50 of 41.9ng/ml determined by ELISA (QC Test). See testing image for detail.

Product Tag

C-hFc

Express System

HEK293
Purity > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
Endotoxin Less than 1EU per ug by the LAL method.
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 Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability And Storage Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
Immobilized Human CD47, His Tag at 2ug/ml (100ul/Well). Dose response curve for Human SIRP alpha V2, hFc Tag with the EC50 of 41.9ng/ml determined by ELISA (QC Test).
Immobilized Human SIRP alpha V2, hFc Tag at 0.5ug/ml (100ul/Well) on the plate. Dose response curve for Biotinylated Anti-SIRP alpha Antibody, hFc Tag with the EC50 of 33.9ng/ml determined by ELISA.
The purity of Human SIRP alpha V2 is greater than 95% as determined by SEC-HPLC.
Human SIRP alpha V2 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%..

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