FITC anti-human CD3 Antibody

Product Details

Verified Reactivity

Human

Reported Reactivity

Chimpanzee

Antibody Type

Monoclonal

Host Species

Mouse

Formulation

µg size: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
test sizes: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA).

Preparation

The antibody was purified by affinity chromatography, and conjugated with FITC under optimal conditions.

Concentration

µg sizes: 0.5 mg/mL
test sizes: lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)

Storage & Handling

The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.

Application

FC - Quality tested

Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining using the µg size, the suggested use of this reagent is ≤1.0 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application. For flow cytometric staining using the test sizes, the suggested use of this reagent is 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.

Excitation Laser

Blue Laser (488 nm)

Application Notes

Additional reported applications (for the relevant formats) include: immunohistochemical staining of acetone-fixed frozen sections^4,6,7 and formalin-fixed paraffin-embedded sections¹¹, immunoprecipitation¹, activation of T cells^2,3,5, Western blotting⁹, and spatial biology (IBEX)^16,17. The LEAF™ purified antibody (Endotoxin < 0.1 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 300413, 300414, and 300432). For highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 300437, 300438, 300465, 300466, 300473, 300474) with a lower endotoxin limit than standard LEAF™ purified antibodies (Endotoxin < 0.01 EU/µg).

Application References

(PubMed link indicates BioLegend citation)

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9. Van Dongen JJM, et al. 1988. Blood 71:603. (WB)
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17. Radtke AJ, et al. 2022. Nat Protoc. 17:378-401. (SB) PubMed

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RRID

AB_2562046 (BioLegend Cat. No. 300405)
AB_2562046 (BioLegend Cat. No. 300406)
AB_2562046 (BioLegend Cat. No. 300452)
AB_2562046 (BioLegend Cat. No. 300440)

Antigen Details

Structure

Ig superfamily, with the subunits of CD3γ, CD3δ, CD3ζ (CD247) and TCR (α/β or γ/δ) forms CD3/TCR complex, 20 kD

Distribution

Mature T and NK T cells, thymocyte differentiation

Function

Antigen recognition, signal transduction, T cell activation

Ligand/Receptor

Peptide antigen bound to MHC

Cell Type

NKT cells, T cells, Thymocytes, Tregs

Biology Area

Immunology, Innate Immunity

Molecular Family

CD Molecules, TCRs

Antigen References

1. Barclay N, et al. 1993. The Leucocyte FactsBook. Academic Press. San Diego.
2. Beverly P, et al. 1981. Eur. J. Immunol. 11:329.
3. Lanier L, et al. 1986. J. Immunol. 137:2501-2507.

Gene ID

916 View all products for this Gene ID

UniProt

View information about CD3 on UniProt.org

Related Protocols

• Cell Surface Flow Cytometry Staining Protocol

Other Formats