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Species of Origin
Human
Expression System
HEK293
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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 75.98 kDa.
The protein migrates as 90-110 kDa under reducing condition (SDS-PAGE analysis). -
Endotoxin Level
<0.1 EU per 1 μg of the protein by the LAL method.
Mycoplasma
Not detected.
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Form
Lyophilized.
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Specifications
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Background
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Background
Human cluster of Differentiation 22 (CD22) is a B cell-specific transmembrane protein that regulates B cell function, including activation and signaling. It serves as an inhibitory receptor, modulating immune responses and maintaining tolerance to prevent autoimmunity.
Synonyms
B-cell receptor CD22, B-lymphocyte cell adhesion molecule, BL-CAM, Sialic acid-binding Ig-like lectin 2, Siglec-2, T-cell surface antigen Leu-14, CD22
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Uniprot ID
P20273
Sequence Note
Asp 20 - Arg 687
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Instruction
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Reconstitution
It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 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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Image
![SDS-PAGE analysis of recombinant human CD22.]()
SDS-PAGE analysis of recombinant human CD22.
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Publication
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Datasheet & Documents
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Disclaimer：For Research Use or Further Manufacturing Only.
