产品号 #100-1601_C
Rat monoclonal antibody against mouse, hamster CD4
This monoclonal antibody reacts with mouse cluster of differentiation 4 (CD4), a 55 kDa single chain type 1 transmembrane glycoprotein belonging to the immunoglobulin (Ig) superfamily. CD4 contains four extracellular Ig-like domains; D1 - D4. CD4 is expressed at relatively high levels by most thymocytes and a subpopulation of T cells; T helper/inducer cells, and at lower levels on dendritic cells. Use this recombinant monoclonal antibody in applications requiring detection of CD4, such as flow cytometry (FC), immunohistochemistry (IHC), and immunofluorescence (IF).
Unlike humans, CD4 is not expressed by murine monocytes or macrophages. CD4 increases the affinity in the interaction between T cell receptor (TCR) and major histocompatibility complex II (MHC II) antigen complex by binding to a non-polymorphic region of MHC II and acting as a co-receptor to TCR in MHC II-restricted antigen recognition. CD4 also amplifies signals from TCR to the cytoplasm through the interaction of its intracellular domain with the cytoplasmic tyrosine kinases such as lymphocyte-specific protein tyrosine kinase (Lck). This monoclonal antibody is widely used as a phenotypic marker for CD4 expression. The RM4-5 clone can block binding of the GK1.5 antibody clone to CD4 on the cell surface. The GK1.5 antibody clone is also reported to be cross-reactive with Syrian hamster CD4.
Subtype
Primary Antibodies
Target Antigen
CD4
Alternative Names
L3T4, T4
Reactive Species
Hamster, Mouse
Conjugation
APC, FITC, PE, PerCP-Cyanine5.5, Unconjugated
Host Species
Rat
Cell Type
Dendritic Cells, T Cells, T Cells, CD4+
Species
Mouse
Application
Flow Cytometry
Area of Interest
Immunology
Clone
GK1.5
Gene ID
12504
Isotype
IgG2b, kappa
Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.
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