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BTN3A1 Protein, Human, Recombinant (His)

产品编号 TMPY-04844
BTN3A1 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 25.6 kDa and the accession number is O00481-2.
规格价格库存数量
100 μg¥ 4,470现货
200 μg¥ 7,5305日内发货
500 μg¥ 14,9705日内发货
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生物活性

生物活性
Activity testing is in progress. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
产品描述
BTN3A1 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 25.6 kDa and the accession number is O00481-2.
种属
Human
表达系统
HEK293 Cells
标签C-His
蛋白编号O00481-2
别名
BTN3.1,butyrophilin subfamily 3 member A1,BTF5,BT3.1,CD277
蛋白构建
A DNA sequence encoding the human BTN3A1 (NP_919423.1) (Met1-Gly254) was expressed with a polyhistidine tag at the C-terminus. Predicted N terminal: Gln 30
蛋白纯度
> 95 % as determined by SDS-PAGE.
BTN3A1 Protein, Human, Recombinant (His)
分子量25.6 kDa (predicted)
内毒素< 1.0 EU/μg of the protein as determined by the LAL method.
缓冲液Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
复溶方法
A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
存储
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°C. 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.
运输方式In general, Lyophilized powders are shipping with blue ice.
研究背景
BTN3A1 has the structure of a type I receptor of the Ig superfamily and is part of a family of seven BTN receptors encoded by genes in the MHC. BTN molecules are composed of two Ig domains (IgV, IgC2), a single transmembrane domain, and a large carboxyl-terminal domain termed B3.2 (or PRYSPRY) located in the cell cytoplasm. There are three human BTN3A loci, BTN3A1, BTN3A2, and BTN3A3, and clear orthologs of BTN3A molecules, now called CD277, are absent from the mouse genome. Despite its similarity to B7 molecules, BTN3A1 was proposed to act not as a coreceptor or costimulatory molecule, but rather to directly present pAg to the γδ TCR in a manner analogous to MHC-restricted peptide presentation. However, this model of BTN3A1 function has been challenged by conflicting data, which show pAg binding to a positively charged pocket in the cytosolic B3.2 domain, and that BTN3A1 does not directly engage the γδ TCR. This contradictory picture has emerged as a result of the complexity of the system and in particular by the use of endogenous and exogenous routes of Ag delivery in in vitro assays.Cancer ImmunotherapyImmune CheckpointImmunotherapyTargeted Therapy

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