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Non-biotinylated Human SIRP alpha V5 Protein (SRP-HM4V5) Summary
Product Description |
Recombinant Human SIRP alpha V5 Protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus.It contains Glu31-Arg370(S42F). |
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. |
Product Category |
Recombinant Protein / Antibody discovery / Immune checkpoint proteins, ADC targets |
Non-biotinylated Human SIRP alpha V5 Protein (SRP-HM4V5) Specifications/Details
Protein |
SIRP alpha V5 |
Synonyms |
CD172a; BIT; MFR; MYD1; MYD-1; P84; PTPNS1; SHPS1; SHPS-1; SIRP alpha; SIRPA |
Accession |
|
Species |
Human |
Biotinylated |
no |
Amino Acid Range |
Glu31-Arg370(S42F) |
Molecular Weight |
The protein has a predicted MW of 40 kDa. Due to glycosylation, the protein migrates to 50-65 kDa based on Bis-Tris PAGE result. |
Activity |
Immobilized Human SIRP alpha V5, His Tag at 2ug/ml (100ul/Well).Dose response curve for Human CD47, hFc Tag with the EC50 of 9.7ng/ml determined by ELISA (QC Test). |
Product Tag |
C-His-Avi |
Fluorophore |
Unconjugated |
Expression System |
HEK293 |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 1 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 24 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 SIRP alpha V5, His Tag at 2ug/ml (100ul/Well).Dose response curve for Human CD47, hFc Tag with the EC50 of 9.7ng/ml determined by ELISA (QC Test). |
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Human SIRP alpha V5 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%. |
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The purity of Human SIRP alpha V5 is greater than 95% as determined by SEC-HPLC. |
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