Human SIRP alpha V2/CD172a Protein (SRP-HM2V2)
Human SIRP alpha V2/CD172a Protein (SRP-HM2V2)
Human SIRP alpha V2/CD172a Protein (SRP-HM2V2)
Human SIRP alpha V2/CD172a Protein (SRP-HM2V2)
Human SIRP alpha V2/CD172a Protein (SRP-HM2V2)
Human SIRP alpha V2/CD172a Protein (SRP-HM2V2)
  • Express System: HEK293
  • Product Tag: C-hFc
  • Purity: > 95% as determined by Bis-Tris 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
Biotinylated
 no
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 Bis-Tris 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 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). 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.
Human SIRP alpha V2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%..
The purity of Human SIRP alpha V2 is greater than 95% as determined by SEC-HPLC.
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