Human Cystatin D / CST5 Protein, His Tag
分子别名(Synonym)
CST5,Cystatin-5,Cystatin-D
表达区间及表达系统(Source)
Human Cystatin D, His Tag (CS5-H5220) is expressed from human 293 cells (HEK293). It contains AA Gly 21 - Val 142 (Accession # AAH69514).
Predicted N-terminus: Gly 21
蛋白结构(Molecular Characterization)

This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 14.8 kDa. The protein migrates as 15 kDa under reducing (R) condition (SDS-PAGE).
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)
半胱氨酸蛋白酶抑制剂-5(CST5)也称为半胱氨酸蛋白酶抑制剂-D,是一种分泌的耐热蛋白,属于半胱氨酸蛋白酶抑制剂家族。CST5是一种半胱氨酸蛋白酶抑制剂,可能对口腔中存在的蛋白酶起保护作用。抑制的优先顺序是组织蛋白酶S>组织蛋白酶H>组织蛋白酶L>组织蛋白酶B。CST5/胱蛋白酶-D可能对口腔中存在的蛋白酶起保护作用。
关键字: Cystatin D;Cystatin D蛋白;Cystatin D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。