Cavia Porcellus CD152 Protein, His Tag_天津卡梅德科技发展有限公司

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Cavia Porcellus CD152 Protein, His Tag

Cavia Porcellus CD152 Protein, His Tag

产品编号

KMP2378

别名

细胞毒T淋巴细胞相关抗原, Cytotoxic T-lymphocyte protein 4, CD152

规格

50ug
100ug
200ug

DATASHEET MSDS

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产品介绍

Catalog Number	KMP2378
Alias	细胞毒T淋巴细胞相关抗原, Cytotoxic T-lymphocyte protein 4, CD152
Size	50ug, 100ug, 200ug
Product Description	The Cavia Porcellus CD152 Protein(KMP2378) is produced in Yeast and the target gene encoding Ala37-Asp161 is expressed with a 6His tag at the C-terminus.
Molecular Name	CD152
Product Introduction	CD152（CTLA-4）：免疫调节受体，以跨膜形式表达于T细胞，参与免疫应答的负向调控。
Molecular Weight	14.56 kDa
Expression System	Yeast
Species	Cavia Porcellus
Purity	>90%
SDS-PAGE
Purification	Affinity Purification
Uniprot ID	H0VUB1
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	Cytotoxic Tlymphocyte 4(CTLA-4,CD152), is a type I transmembrane T cell inhibitory molecule that is a member of the Ig superfamily.CD28 and CTLA-4, together with their ligands, B7-1 and B7-2, constitute one of the dominant costimulatory pathways that regulate T and B cell responses. CD28 and CTLA-4 are structurally homologous molecules that are members of the immunoglobulin(Ig) gene superfamily. CTLA4 transmits an inhibitory signal to T cells, whereas CD28 transmits a stimulatory signal. Intracellular CTLA4 is also found in regulatory T Cells and may play an important role in their functions. Tcell activation through the Tcell receptor and CD28 leads to increased expression of CTLA4.
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

蛋白溶解后浓度偏低，如何调整？

低速离心：12,000 rpm, 5分钟，去除不溶物。缓冲液置换：使用超滤离心管（如10 kDa截留分子量）浓缩。
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。

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