货号:A2926626
同义名:
重组人LAG-3蛋白(C-6His, HEK293)(Leu23-Gly434)
/ Recombinant Human LAG-3 (C-6His, HEK293)(Leu23-Gly434); Lymphocyte activation gene 3 protein
Recombinant Human LAG-3 (C-6His, HEK293) 是来自人的LAG-3蛋白,在HEK293细胞中表达,带有C端6×His标签。该蛋白是免疫球蛋白超家族成员,含4个胞外Ig样结构域,主要在活化的T和NK细胞中表达,具有负调控T细胞功能,并可作为T细胞诱导B细胞活化的新标志物。作为可溶性分子,它能通过MHC II类信号激活抗原呈递细胞,增强体内抗原特异性T细胞应答,与MHC II类亲和力高于CD4。


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| 描述 | Human Lymphocyte activation gene 3 protein( LAG3) is a member of immunoglobulin (Ig) superfamily. LAG3 contains 4 extracellular Ig-like domains. The LAG3 gene contains 8 exons. LAG3 is involved in lymphocyte activation and can bind to HLA class-II antigens. It is selectively expressed in activated T and NK cells. LAG3 has a negative regulatory function in T cells and acts as as a new marker of T cell induced B cell activation. As a soluble molecule, LAG3 activates antigen-presenting cells through MHC class II signaling. It can lead to increased antigen-specific T-cell responses in vivo. LAG-3 has higher affinity to MHC class II than CD4. |
| 蛋白种属 | Human |
| 表达系统 | Human Cells |
| 标签 | C-6His |
| 蛋白表达区间 | Leu23-Gly434 |
| 蛋白编号 | P18627 |
| 内毒素 | < 1 EU/µg as determined by LAL test. |
| 剂型 | 干粉 |
| 剂型描述 | Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. |
| 复溶 | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.如要长期保存,建议使用含载体蛋白(如 0.1%BSA、10%FBS、5%HSA)的溶液进一步稀释,如果是做无血清培养或者动物体内实验时,细胞因子中不能含有BSA、FBS 和 HAS,可以使用海藻糖作为载体,然后分装冻存于-20℃至-80℃。注:分装保存时建议使用低吸附的管子,并避免反复冻融;稀释分装浓度不低于 10μg/mL,分装体积不低于10μL。 分装后的蛋白在≤-20°C 下可稳定保存 3 个月。 |
| CAS号 | N/A |
| 分子量 | 45.5 KDa |
| SMILES Code | NONE |
| 别名 | 重组人LAG-3蛋白(C-6His, HEK293)(Leu23-Gly434) ;Recombinant Human LAG-3 (C-6His, HEK293)(Leu23-Gly434); Lymphocyte activation gene 3 protein; LAG3; LAG-3; Protein FDC; CD223 |
| 运输 | 蓝冰 |
| 存储条件 |
In solvent -20°C: 3-6个月 -80°C: 12个月 Pure form Sealed in dry, store in freezer, under -20°C |
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