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Human SIRP alpha V2/CD172a Protein, Ultra Low Endotoxin (SRP-HM2V2-UL) Summary
Product Description |
Recombinant Human SIRP alpha V2/CD172a Protein is expressed from HEK293 with hFc (IgG1) 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 / Antibody discovery / Immune checkpoint proteins, ADC targets |
Human SIRP alpha V2/CD172a Protein, Ultra Low Endotoxin (SRP-HM2V2-UL) Specifications/Details
Protein |
SIRP alpha V2/CD172a |
Synonyms |
CD172a; BIT; MFR; MYD1; MYD-1; P84; PTPNS1; SHPS1; SHPS-1; SIRP alpha; SIRPA; SIRPalpha2 |
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 85-95 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). |
Product Tag |
C-hFc (IgG1) |
Fluorophore |
Unconjugated |
Expression System |
HEK293 |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 0.01 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
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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). |
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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. |
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Human SIRP alpha V2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.. |
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The purity of Human SIRP alpha V2 is greater than 95% as determined by SEC-HPLC. |
Other Available Proteins:
Finding available proteins...
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