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C7048 Sigma

Monoclonal Anti-CD3 antibody produced in mouse

clone UCHT-1, purified immunoglobulin, buffered aqueous solution

Synonym: Monoclonal Anti-CD3



Related Categories Alphabetical Index, Analytical Cytology, Antibodies, Antibodies for Cell Biology, Antibodies for Immune Cell Signaling and Blood,
species reactivity   human
application(s)   flow cytometry: 5 μL using 1 × 106 cells
clone   UCHT-1, monoclonal
antibody form   purified immunoglobulin
form   buffered aqueous solution
isotype   IgG1
shipped in   wet ice
storage temp.   2-8°C
Gene Information   human ... CD3E(916)
biological source   mouse
conjugate   unconjugated



human thymocytes followed by Sezary T cells.

Antigen Background

The CD3 complex (16/20/29/22/25-28 kDa) consists of 5 polypeptide chains associated with each other and with the T cell receptor.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 1% bovine serum albumin and 15 mM sodium azide.


Recognizes the CD3 complex. The epitope recognized by clone no. UCHT-1 is expressed on the ε-chain of the CD3 antigen/T cell receptor complex. 3rd Workshop: code no. 126, 208 and 471
4th Workshop: paper no. T3.2


Monoclonal Anti-CD3 antibody produced in mouse is suitable for flow cytometry at a dilution of 5μL using 1 × 106 cells.

Biochem/physiol Actions

The CD3e cytoplasmic domain of the T cell receptor binds to the inner leaflet of the plasma membrane (PM) and is accessible during early stages of T cell activation. It is specific for T lymphocytes, found in Purkinje cells of the cerebellum and gastric parietal cells of humans and other species. The antibodies commonly used to recognize CD3 are directed against the ε-subunit of the T cell receptor. Cytoplasmic cyCD3 expression can only be achieved during the early phase of NK-cell differentiation.

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Safety Information

RIDADR  NONH for all modes of transport
WGK Germany  2
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