Human CD3 epsilon Protein, His Tag (MALS verified)
分子别名(Synonym)
FLJ18683,T3E,TCRE,CD3E,CD3-epsilon
表达区间及表达系统(Source)
Human CD3 epsilon, His Tag (CDE-H5223) is expressed from human 293 cells (HEK293). It contains AA Asp 23 - Asp 126 (Accession # P07766-1).
Predicted N-terminus: Asp 23
蛋白结构(Molecular Characterization)

This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 16.9 kDa. Maybe caused by unknown PTMs, the protein migrates as 18-19 kDa and 21-22 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition, and 35-43 kDa under non-reducing (NR) condition (SDS-PAGE).
The protein is designed as a dimer.
内毒素(Endotoxin)
Less than 1.0 EU per μg by the LAL method / rFC method.
纯度(Purity)
>90% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
制剂(Formulation)
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法(Reconstitution)
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储(Storage)
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
-20°C to -70°C for 24 months in lyophilized state;
-70°C for 12 months under sterile conditions after reconstitution.



背景介绍
CD3ε 分子(epsilon),也称为 CD3E,是一种 T 细胞表面的单次跨膜 I 型膜糖蛋白。CD3E 包含 1 个免疫球蛋白样(Ig-like)结构域和 1 个 ITAM(免疫受体酪氨酸激活基序)结构域。CD3E 与 CD3-γ、CD3-δ、CD3-ζ 以及 T 细胞受体 α/β 和 γ/δ 异二聚体共同组成 T 细胞受体-CD3 复合物 (T cell receptor-CD3 complex)。该复合物在将抗原识别偶联至多条细胞内信号转导通路中发挥重要作用。
编码 ε、γ 和 δ 多肽的基因位于 11 号染色体上的同一基因簇中。ε 多肽在 T 细胞发育中起着至关重要的作用。CD3E 在 T 细胞发育中扮演关键角色,CD3E 基因的缺陷会导致严重的免疫缺陷症。 此外,CD3E 基因也与女性患 I 型糖尿病的易感性相关。
研究还表明,CD3E 可与 TOP2B、CD3EAP 和 NCK2 发生相互作用。
关键字: CD3 epsilon;CD3 epsilon蛋白;CD3 epsilon重组蛋白;ACRO;百普赛斯;
百普赛斯集团ACROBiosystems Group(股票代码:301080)是成立于2010年的跨国生物科技公司,是为全球生物医药、健康产业领域提供关键生物试剂产品及解决方案的行业平台型基石企业。2021年在创业板上市。百普赛斯集团业务遍布全球,横跨亚洲、北美洲、欧洲,在中国、美国、瑞士等12个城市设有办公室、研发中心及生产基地。目前累计服务客户超6000家,与全球Top 20医药企业均建立了长期、稳定的合作伙伴关系。集团旗下拥有品牌ACROBiosystems百普赛斯、bioSeedin柏思荟、Condense Capital垦拓资本和ACRODiagnostics百斯医学等。