Cynomolgus Fc gamma RIIB Protein (CDB-CM101)

Express System: HEK293
Product Tag: C-His
Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
Activity: The affinity constant of 2.72 uM as determined in SPR assay (Biacore T200). See testing image for detail.
Exact Sequence: Ala46-Pro224

Catalog: CDB-CM101

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Product Description	Recombinant Cynomolgus Fc gamma RIIB Protein is expressed from HEK293 with His tag at the C-Terminus.It contains Ala46-Pro224.
Product Background	The Fc gamma Rs have been divided into three classes based on close relationships in their extracellular domains; these groups are designated Fc gamma RI (also known as CD64), Fc gamma RII (CD32), and Fc gamma RIII (CD16). Each group may be encoded by multiple genes and exist in different isoforms depending on species and cell type. The CD64 proteins are high affinity receptors (~10e-8-10e-9 M) capable of binding monomeric IgG, whereas the CD16 and CD32 proteins bind IgG with lower affinities (~10e-6-10e-7 M) only recognizing IgG aggregates surrounding multivalent antigens.
Product Category	Recombinant Protein

Target	Fc gamma RIIB
Synonyms	Fc gamma Receptor IIB/C, CD32, CD32b，CDw32
Gene/Protein ID	Q8SPW3
Species	Cynomolgus
Exact Sequence	Ala46-Pro224
Molecular Weight	The protein has a predicted MW of 21 kDa. Due to glycosylation, the protein migrates to 33-40 kDa based on Tris-Bis PAGE result.
Activity	The affinity constant of 2.72 uM as determined in SPR assay (Biacore T200). See testing image for detail.
Product Tag	C-His
Express System	HEK293
Purity	> 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
Endotoxin	Less than 1EU per ug by the LAL method.

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	Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability And Storage	Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

	Trastuzumab captured on CM5 Chip via Protein A can bind Cynomolgus Fc gamma RIIB, His Tag with an affinity constant of 2.72 uM as determined in SPR assay (Biacore T200).
	The purity of Cynomolgus Fc gamma RIIB is greater than 95% as determined by SEC-HPLC.
	Cynomolgus Fc gamma RIIB on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.