Cynomolgus CD80 Protein, His Tag_天津卡梅德科技发展有限公司

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Cynomolgus CD80 Protein, His Tag

Cynomolgus CD80 Protein, His Tag

产品编号

KMP2334

别名

T淋巴细胞活化抗原CD80, T-lymphocyte activation antigen CD80, Activation B7-1 antigen

规格

50ug
100ug
200ug

DATASHEET MSDS

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产品介绍

Catalog Number	KMP2334
Alias	T淋巴细胞活化抗原CD80, T-lymphocyte activation antigen CD80, Activation B7-1 antigen
Size	50ug, 100ug, 200ug
Product Description	The Cynomolgus CD80 Protein(KMP2334) is produced in HEK293 Cells and the target gene encoding Val35-Asn242 is expressed with a 6His tag at the C-terminus.
Molecular Name	CD80
Product Introduction	CD80（B7-1）：免疫球蛋白超家族跨膜蛋白，作为CD28/CTLA-4的配体，在抗原呈递细胞表面表达。
Molecular Weight	23.54 kDa
Expression System	HEK293 Cells
Species	Cynomolgus
Purity	>95%
SDS-PAGE
Purification	Affinity Purification
Uniprot ID	G7NXN7
Storage Condition	Aliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles.
Formulation	PBS, pH7.4
Shipping Condition	In general, the proteins are provided as lyophilized powder which are shipped at ambient temperature. They are shipped out in dry ice if supplied in liquid form.
Background	Cynomologous Cluster of Differentiation 80, also called B7-1, is a member of cell surface immunoglobulin superfamily.It is expressed on the surface of antigen-presenting cells including activated B cells, macrophages and dendritic cells.CD80 plays key, yet distinct roles in the activation of T cells. B7-1/CD80 and B7-2/CD86, together with their receptors CD28 and CTLA4, constitute one of the dominant co-stimulatory pathways that regulate T- and B- cell responses. CD80 is mostly expressed on the surface of antigen-presenting cells including activated B cells, macrophages and dendritic cells. Although both CTLA-4 and CD28 can bind to the same ligands, CTLA-4 binds to B7-1 and B7-2 with a 20-100 fold higher affinity than CD28 and is involved in the down-regulation of the immune response. CD80 is thus regarded as promising therapeutic targets for autoimmune diseases and various carcinomas.
Endotoxin	<1.0 EU/ug determined by the LAL method
Product Declaration	该产品仅供科研使用，不可直接用于人体或注射。

FAQ

如何提高重组蛋白的可溶性表达？

可优化表达条件（如降低诱导温度、调整IPTG浓度）、使用促溶标签（如SUMO、GST）、共表达分子伴侣，或尝试不同宿主系统（如哺乳动物细胞或昆虫细胞）以提高可溶性蛋白产量。
重组蛋白纯化常用的方法有哪些？

常用的纯化方法包括亲和层析（如His-Tag、GST-Tag）、离子交换层析、疏水相互作用层析（HIC）和凝胶过滤层析。具体方法取决于蛋白特性和标签类型。

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