2B4/CD244 Protein, Human, Recombinant (aa 22-221, His & Avi), Biotinylated

2B4 (CD244) is expressed by memory-phenotype CD8() T cells and all natural killer (NK) cells. The ligand for 2B4, CD48, is expressed on hematopoietic cells. 2B4 is conserved in humans and mice, and a number of reports have linked 2B4 with activation of lymphocytes.Engagement of 2B4 on NK cell surfaces with specific antibodies or CD48 can trigger cell mediated cytotoxicity, interferon γ secretion, phosphoinositol turnover and NK cell invasiveness.

2B4/CD244 Protein, Human, Recombinant (aa 22-221, His & Avi), Biotinylated

パッケージサイズ	在庫状況	単価(税別)
100 μg	約5 days	￥ 187,000
500 μg	約5 days	￥ 746,000
1 mg	約5 days	￥ 1,248,500

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説明

Species	Human
Expression Host	HEK293 Cells
Tag	C-His-Avi
Accession Number	Q9BZW8-2
別名	NAIL, CD244, SLAMF4, h2B4, NKR2B4, Nmrk, CD244 antigen, 2B4
Construction	Cys22-Arg221
Protein Purity	> 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC
分子量	24.9 kDa (predicted). Due to glycosylation, the protein migrates to 48-70 kDa based on Tris-Bis PAGE result.

Endotoxin	< 1 EU/μg by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS (pH 7.4). Typically, 8% trehalose is incorporated as a protective agent before lyophilization.
Reconstitution	Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted protein solutions, the solution can be stored at -20°c to -80'c for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	2B4 (CD244) is expressed by memory-phenotype CD8() T cells and all natural killer (NK) cells. The ligand for 2B4, CD48, is expressed on hematopoietic cells. 2B4 is conserved in humans and mice, and a number of reports have linked 2B4 with activation of lymphocytes.Engagement of 2B4 on NK cell surfaces with specific antibodies or CD48 can trigger cell mediated cytotoxicity, interferon γ secretion, phosphoinositol turnover and NK cell invasiveness.

参考文献

1. Velikovsky C A, et al. Structure of Natural Killer Receptor 2B4 Bound to CD48 Reveals Basis for Heterophilic Recognition in Signaling Lymphocyte Activation Molecule Family[J]. Immunity, 2007, 27(4):0-584.

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2B4/CD244 Protein, Human, Recombinant (aa 22-221, His & Avi), Biotinylated

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