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Description
Research Area
Images & Validation
−| Application Notes |
|---|
Key Properties
−| Source | Mammalian cell |
|---|---|
| Biological Origin | Homo sapiens (Human) |
| Biological Activity | ①Measured by its binding ability in a functional ELISA. Immobilized SIRPA at 2 μg/ml can bind human CD47, the EC50 of human SIRPA protein is 58.30-85.04 ng/ml. ②Human SIRPA protein His/Myc tag captured on COOH chip can bind Human CD47 protein Fc tag with an affinity constant of 19.1 nM as detected by LSPR Assay. |
| Tag | C-terminal 6xHis-Myc-tagged |
| Expression Region | 31-370aa |
| Protein Length | Partial |
| Endotoxins | Less than 1.0 EU/μg as determined by LAL method. |
| MW | 41.8 kDa |
| Purity | Greater than 95% as determined by SDS-PAGE. |
| Protein Sequence | EEELQVIQPDKSVLVAAGETATLRCTATSLIPVGPIQWFRGAGPGRELIYNQKEGHFPRVTTVSDLTKRNNMDFSIRIGNITPADAGTYYCVKFRKGSPDDVEFKSGAGTELSVRAKPSAPVVSGPAARATPQHTVSFTCESHGFSPRDITLKWFKNGNELSDFQTNVDPVGESVSYSIHSTAKVVLTREDVHSQVICEVAHVTLQGDPLRGTANLSETIRVPPTLEVTQQPVRAENQVNVTCQVRKFYPQRLQLTWLENGNVSRTETASTVTENKDGTYNWMSWLLVNVSAHRDDVKLTCQVEHDGQPAVSKSHDLKVSAHPKEQGSNTAAENTGSNER |
Storage & Handling
−| Storage | The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃. |
|---|---|
| Form/Appearance | Lyophilized powder |
| Buffer/Preservatives | Lyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0 |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Alternative Names
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41.14 kDa
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The protein has a predicted molecular mass of 70-98 kDa after removal of the signal peptide.
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SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE.
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