High lot-to-lot consistency
Increased sensitivity and higher affinity
Animal-free production
Description:
Anti-CTLA4, AlpHcAbs® Human antibody is designed for detecting human CTLA4 specifically. Anti-CTLA4, AlpHcAbs® Human antibody is recombinant VHH domain of alpaca IgG2b/2c fused to Human IgG1 Fc. Based on ELISA, Anti-CTLA4, AlpHcAbs® Human antibody reacts with human CTLA4, and has reactivity with cynomolgus or alpaca CTLA4.
Immunogen: Recombinant human CTLA4
Host: Alpaca pacous
Isotype: VHH domain of alpaca IgG2b/2c fused to Human IgG1 Fc(mutation)
Conjugate: Unconjugated
Specificity: Human CTLA4
Cross-Reactivity: Cross-reactivity with cynomolgus CTLA4
Purity: Recombinant Expression and Affinity purified
Concentration: 1mg/ml
Formation: Liquid, 10mM PBS (pH 7.5), 0.05% sucrose, 0.1% trehalose, 0.01% proclin300, 50% Glycerol
Storage: Store at –20 °C, (Avoid freeze / thaw cycles), Stable for 12 months at -20°C
Background:
CTLA4 (Cytotoxic T-Lymphocyte Antigen 4) is a CD28-family receptor expressed on mainly CD4+ T cells. It binds the same ligands as CD28 (CD80 and CD86 on B cells and dendritic cells), but with higher affinity than CD28. However, in contrast to CD28 which enhances cell function when bound at the same time as the T cell receptor, CTLA4 inhbits the T cell and prevents it from functioning. Intracellular CTLA4 is also found in regulatory T cells and may be important to their function.
Using antibody with Fc(mutation), the background from Fc receptors will be eliminated.
ELISA: 1:4,000-1:10000
Flow Cytometry：1:200-1:1000
Dilution factors are presented in the form of a range because the optimal dilution is a function of many factors, such as antigen density, permeability, etc. The actual dilution used must be determined empirically.
