Alexa Fluor™ 647 Mouse Anti-EOMES
Clone X4-83 (RUO)
- Brand BD Pharmingen™
- Alternative Name C77258; T-box brain protein 2; TBR-2; TBR2; Tbr2; eomesodermin homolog
- Concentration 0.2 mg/ml
- Isotype Mouse IgG1, κ
- Reactivity Human (QC Testing) Mouse (Tested in Development)
Intracellular staining (flow cytometry) (Routinely Tested)
- Immunogen Human EOMES aa 1-275 Recombinant Protein
- Storage Buffer Aqueous buffered solution containing ≤0.09% sodium azide.
- Regulatory Status RUO
Regulatory Status Legend
The X4-83 monoclonal antibody specifically binds to human and mouse Eomesodermin (EOMES), a transcription factor of the T-box family that is also known as T-box brain 2 (TBR2). The aligned sequences of human and mouse EOMES proteins are 86.7% identical and their DNA binding T-box domains are about 74% identical to those of the human and mouse T-bet transcription factors. The name Eomesodermin comes from the Greek word "eo", meaning dawn, and "mesoderm" because it was first identified to be essential for early stages of mesoderm formation. Later in embryonic development, the EOMES transcription factor is important in the differentiation of neurons. EOMES and T-bet are the only T-box transcription factors that are expressed in the immune system, and some of their functions appear to be redundant. EOMES is expressed in cytotoxic T lymphocytes and NK cells, and at lower levels in T helper lymphocytes. EOMES is one of several transcription factors that control the differentiation and survival of effector and memory CD8-positive T lymphocytes, NK cells, and ILC1.
Alexa Fluor® 647 conjugates are highly photostable and remain fluorescent over a broad pH range. The excitation and emission maxima are nearly identical to those of APC. However, APC tends to be brighter while Alexa Fluor® 647 is more optimal for intracellular applications. This fluorochrome exhibits uncommon photostability, making it an ideal choice for use in fluorescence microscopy. Due to nearly identical excitation and emission properties but different spillover characteristics, APC and Alexa Fluor® 647 cannot be used simultaneously.
Suggested Companion Products
|Resources & Tools|
|Spectrum Viewer||Panel Designer||Spectrum Viewer||Download TDS||Regulatory Document Website|
Preparation and Storage
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
The antibody was conjugated to the dye under optimum conditions and unreacted dye was removed.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- An isotype control should be used at the same concentration as the antibody of interest.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
- Alexa Fluor® 647 fluorochrome emission is collected at the same instrument settings as for allophycocyanin (APC).
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- This product is provided under an intellectual property license between Life Technologies Corporation and BD Businesses. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The buyer cannot sell or otherwise transfer (a) this product (b) its components or (c) materials made using this product or its components to a third party or otherwise use this product or its components or materials made using this product or its components for Commercial Purposes. Commercial Purposes means any activity by a party for consideration and may include, but is not limited to: (1) use of the product or its components in manufacturing; (2) use of the product or its components to provide a service, information, or data; (3) use of the product or its components for therapeutic, diagnostic or prophylactic purposes; or (4) resale of the product or its components, whether or not such product or its components are resold for use in research. For information on purchasing a license to this product for any other use, contact Life Technologies Corporation, Cell Analysis Business Unit Business Development, 29851 Willow Creek Road, Eugene, OR 97402, USA, Tel: (541) 465-8300. Fax: (541) 335-0504.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- Alexa Fluor™ is a trademark of Life Technologies Corporation.
- Species cross-reactivity detected in product development may not have been confirmed on every format and/or application.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
BD™ CompBeads can be used as surrogates to assess fluorescence spillover (Compensation). When fluorochrome conjugated antibodies are bound to CompBeads, they have spectral properties very similar to cells. However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls. It is strongly recommended that when using a reagent for the first time, users compare the spillover on cell and CompBead to ensure that BD Comp beads are appropriate for your specific cellular application.