Human CD152 Protein, GST Tag_天津卡梅德科技发展有限公司

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Human CD152 Protein, GST Tag

Human CD152 Protein, GST Tag

产品编号

KMP2326

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

Alias	细胞毒T淋巴细胞相关抗原, Cytotoxic T-lymphocyte protein 4, CD152
Catalog Number	KMP2326
Product Description	The Human CD152 Protein(KMP2326) is produced in HEK293 Cells and the target gene encoding Lys36-Asp161 is expressed with a GST tag at the C-terminus.
Molecular Name	CD152
Species	Human
Host	HEK293 Cells
Size	50ug, 100ug, 200ug
Purity	>95% as determined by SDS-PAGE
Purification	Affinity purification
Endotoxin	<1.0 EU/ug determined by the LAL method
Formulation	PBS, pH7.4
Background	Cytotoxic Tlymphocyte 4(CTLA-4,CD152), is a type I transmembrane T cell inhibitory molecule that is a member of the Ig superfamily. Human or mouse CTLA4 cDNA encodes 223 amino acids(aa) including a 35 aa signal sequence, a 126 aa extracellular domain(ECD) with one Ig-like V-type domain, a 21 aa transmembrane(TM) sequence, and a 41 aa cytoplasmic sequence.It is widely expressed with highest levels in lymphoid tissues. 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.
SDS-PAGE
Predicted Molecular Weight	40.48 kDa
Storage Condition	Aliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles.
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.
Uniprot ID	Q6GTX8
References	1.J. Immunol. 162:5800-5804 (1999) 2.J. Biol. Chem. 275:17440-17446 (2000) 3.Eur. J. Immunol. 30:2751-2758 (2000) 4.Clin. Diagn. Lab. Immunol. 12:705-712 (2005) 5.Eur. J. Immunol. 36:190-198 (2006) 6.Eur. J. Immunol. 28:2086-2091 (1998)
Function	Functions as an inhibitory receptor that plays a constitutive negative regulatory role on cytolytic function of natural killer (NK) cells, B-cells and T-cells. Activation by Tyr phosphorylation results in recruitment and activation of the phosphatases PTPN6 and PTPN11. It also reduces the increase of intracellular calcium evoked by B-cell receptor ligation. May also play its inhibitory role independently of SH2-containing phosphatases. Modulates cytokine production in CD4+ T-cells, down-regulating IL2 and IFNG production while inducing secretion of transforming growth factor beta. Down-regulates also IgG and IgE production in B-cells as well as IL8, IL10 and TNF secretion. Inhibits proliferation and induces apoptosis in myeloid leukemia cell lines as well as prevents nuclear translocation of NF-kappa-B p65 subunit/RELA and phosphorylation of I-kappa-B alpha/CHUK in these cells. Inhibits the differentiation of peripheral blood precursors towards dendritic cells.

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