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Species of Origin
Human
Expression System
CHO
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Affinity Tag
His Tag (C-term)
Storage Buffer
Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.
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Purity
>95% as determined by SDS-PAGE analysis.
Molecular weight
The protein has a calculated MW of 16.29 kDa.
The protein migrates as 20-40 kDa under reducing condition (SDS-PAGE analysis). -
Activity
Measured by its ability to bind human SIRP Alpha in functional ELISA. Immobilized Recombinant human SIRP Alpha Protein at 2 μg/mL (100μL/well) can bind Recombinant Human CD47 Protein.
Endotoxin Level
<0.1 EU per 1 μg of the protein by the LAL method.
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Form
Lyophilized
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Specifications
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Background
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Background
CD47 is a transmembrane protein widely expressed on cells, acting as a "don't eat me" signal by interacting with signal regulatory protein alpha (SIRPα) on phagocytes. This interaction inhibits phagocytosis, allowing cells to evade immune clearance. Overexpression of CD47 is observed in various cancers, contributing to tumor immune evasion.
Synonyms
Leukocyte surface antigen CD47, Antigenic surface determinant protein OA3, Integrin-associated protein, IAP, Protein MER6, CD47
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Uniprot ID
Q08722
Sequence Note
Gln19-Pro139
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Instruction
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Reconstitution
It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration of 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.
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Stability & Storage
This product is stable after storage at:
- -20°C for 12 months in lyophilized state from date of receipt.
- -20°C or -80°C for 1 month under sterile conditions after reconstitution.
Avoid repeated freeze/thaw cycles.
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Review
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Publication
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Datasheet & Documents
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Disclaimer:For Research Use or Further Manufacturing Only.