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Key Documents

MABF573

Sigma-Aldrich

Anti-CD4 Antibody (human), PE, clone OKT4

clone OKT4, from mouse

Sinónimos:

T-cell surface glycoprotein CD4, T-cell surface antigen T4/Leu-3, CD antigen CD4

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

conjugate

PE

antibody form

purified antibody

antibody product type

primary antibodies

clone

OKT4, monoclonal

species reactivity

human

packaging

pkg of 5 μL (0.06 μg/test)

technique(s)

flow cytometry: suitable

isotype

IgG2bκ

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... CD4(920)

General description

The OKT4 antibody reacts with human CD4, a 59 kDa protein which acts as a co-receptor for the T cell receptor (TCR) in its interaction with MHC Class II molecules on antigen-presenting cells. The extracellular domain of CD4 binds to the beta-2 domain of MHC Class II, while its cytoplasmic tail provides a binding site for the tyrosine kinase lck, facilitating the signaling cascade that initiates T cell activation. CD4, and co-receptors CCR5 and CXCR4, may also be utilized by HIV-1 to enter T cells. Human CD4 is typically expressed on thymocytes, some mature T cell populations such as Th17 and T regulatory (Treg) cells, as well as on dendritic cells.The OKT4 antibody is widely used as a phenotypic marker for CD4 expression. It is cross-reactive with CD4 in several non-human species, including Chimpanzee, Cynomolgus and Rhesus. This antibody recognizes a different epitope, and thus does not block binding of, the alternative Anti-Human CD4 antibody clone RPA-T4 (Reinherz EL, et al. 1979. Proc. Natl. Acad. Sci. 76:4061-4065)

Immunogen

Immunogen information for this antibody is proprietary information.

Application

Research Category
Inflammation & Immunology
This mouse monoclonal antibody Anti-CD4 (human), PE, clone OKT4 validated for use in western blotting, Immunofluorescence & Flow Cytometry for the detection of CD4.

Quality

The monoclonal antibody was purified from tissue culture supernatant via affinity chromatography. The purified antibody was conjugated under optimal conditions, with unreacted dye removed from the preparation.

Flow Cytometry Analysis: 0.06 µg of this antibody detected CD4 in one million human peripheral blood lymphocytes.

Physical form

Purified Mouse Monoclonal Antibody in buffer containing 10 mM NaH2PO4, 150 mM NaCl, 0.1% gelatin, pH 7.2, and up to 0.1% sodium azide.
Size Exclusion Chromatography

Storage and Stability

It is recommended to store the product undiluted at 2-8°C and protected from prolonged exposure to light. Do not freeze.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class

12 - Non Combustible Liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Aleksander Weron et al.
Scientific reports, 7(1), 5404-5404 (2017-07-16)
Stochastic motion on the surface of living cells is critical to promote molecular encounters that are necessary for multiple cellular processes. Often the complexity of the cell membranes leads to anomalous diffusion, which under certain conditions it is accompanied by

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