Biotinylated Human SIRP alpha/CD172a Protein (SRP-HM572B)
Biotinylated Human SIRP alpha/CD172a Protein (SRP-HM572B)
Biotinylated Human SIRP alpha/CD172a Protein (SRP-HM572B)
Biotinylated Human SIRP alpha/CD172a Protein (SRP-HM572B)
  • Express System: HEK293
  • Product Tag: C-hFc-Avi
  • Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
  • Activity: Immobilized Human CD47, His Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for Biotinylated Human SIRP alpha, hFc Tag with the EC50 of 0.22ug/ml determined by ELISA. See testing image for detail.
  • Amino Acid Range: Glu31-Arg370
Catalog #SRP-HM572B
Regular price $525.00
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Product Description
Recombinant Biotinylated Human SIRP alpha/CD172a Protein is expressed from HEK293 with hFc tag and Avi tag at the C-Terminus.It contains Glu31-Arg370.
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/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
Biotinylated
yes
Amino Acid Range
Glu31-Arg370
Molecular Weight
The protein has a predicted MW of 66.1 kDa. Due to glycosylation, the protein migrates to 78-90 kDa based on Bis-Tris PAGE result.
Activity
Immobilized Human CD47, His Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for Biotinylated Human SIRP alpha, hFc Tag with the EC50 of 0.22ug/ml determined by ELISA. See testing image for detail.
Product Tag
C-hFc-Avi
Express System
HEK293
Purity
> 95% as determined by Bis-Tris 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) on the plate. Dose response curve for Biotinylated Human SIRP alpha, hFc Tag with the EC50 of 0.22ug/ml determined by ELISA.
Biotinylated Human-SIRP alpha on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
The purity of Biotinylated Human SIRP alpha-is greater than 95% as determined by SEC-HPLC.

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