Human B7-H2 / ICOSLG Protein, His Tag
分子别名(Synonym)
ICOSLG,B7-H2,B7H2,B7RP-1,B7RP1,CD275,GL50,ICOS-L,ICOSL,LICOS,ICOS ligand
表达区间及表达系统(Source)
Human B7-H2, His Tag (B72-H5221) is expressed from human 293 cells (HEK293). It contains AA Asp 19 - Ser 258 (Accession # NP_056074).
Predicted N-terminus: Asp 19
蛋白结构(Molecular Characterization)
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 27.8 kDa. The protein migrates as 45-67 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素(Endotoxin)
Less than 1.0 EU per μg by the LAL method.
纯度(Purity)
>95% as determined by SDS-PAGE.
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 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.
背景(Background)
ICOS配体(ICOSLG)也称为B7同源物2(B7-H2)、B7相关蛋白1(B7RP-1)和CD抗原CD275,属于免疫球蛋白超家族和BTN/MOG家族。ICOSLG包含一个Ig-like C2型(免疫球蛋白样)结构域和一个Ig-like V型(免疫蛋白样)功能域。异构体1广泛表达,而异构体2仅在淋巴结、白细胞和脾脏中检测到。B7-H2是T细胞特异性细胞表面受体ICOS的配体。B7-H2作为T细胞增殖和细胞因子分泌的共刺激信号,也诱导B细胞增殖和分化为浆细胞。B7-H2可能在介导局部组织对炎症条件的反应以及通过共刺激记忆T细胞功能调节二次免疫反应中发挥重要作用。
关键字: B7-H2;B7-H2蛋白;B7-H2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。