Human CTLA-4 Protein (Ala 37-Phe 162) (low endotoxin) [His] (VAng-1425Lsx)
Human CTLA-4 (CD152), His tag, low endotoxin, is expressed in HEK 293 cells. (Uniprot ID: NP_005205.2)
Datasheet
Specifications
Source
HEK293 Cells.
Target
CTLA4
Type
Tumor Antigens
Applications
SDS-PAGE; WB; ELISA.
Formulation
PBS, pH 7.4.
Purity
> 95% pure by SDS-PAGE.
Storage
Store at -20°C to -80°C.
Antigen Information
Introduction
CTLA4 is a protein receptor that, functioning as an immune checkpoint, downregulates immune responses. CTLA4 is constitutively expressed in regulatory T cells but only upregulated in conventional T cells after activation – a phenomenon which is particularly notable in cancers. CTLA4 is a member of the immunoglobulin superfamily that is expressed by activated T cells and transmits an inhibitory signal to T cells. CTLA4 is homologous to the T-cell co-stimulatory protein, CD28, and both molecules bind to CD80 and CD86, also called B7-1 and B7-2 respectively, on antigen-presenting cells.
Alternative Names
CTLA4, CD152
Related Product
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