Product Details
BD OptiBuild™
LFA-2; LFA-3 receptor; SRBC; T-cell surface antigen T11/Leu-5; erythrocyte receptor
Human,Rhesus,Cynomolgus,Baboon (Tested in Development)
Mouse BALB/c IgG1, κ
Human Phytohemagglutinin-treated Lymphoblasts
Flow cytometry (Qualified)
0.2 mg/ml
IV T085; VI 6T-078
914
Aqueous buffered solution containing ≤0.09% sodium azide.
RUO
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 that minimize unconjugated dye and antibody.
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Recommended Assay Procedures
BD® CompBeads can be used as surrogates to assess fluorescence spillover (compensation).When fluorochrome conjugated antibodies are bound to BD® 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 cells and BD® CompBeads to ensure that BD® CompBeads are appropriate for your specific cellular application.
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Product Notices
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
- For U.S. patents that may apply, see bd.com/patents.
- 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.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- The production process underwent stringent testing and validation to assure that it generates a high-quality conjugate with consistent performance and specific binding activity. However, verification testing has not been performed on all conjugate lots.
- When using high concentrations of antibody, background binding of this dye to erythroid fragments produced by ammonium chloride-based lysis, such as with BD Pharm Lyse™ Lysing Buffer (Cat. No. 555899), has been observed when the antibody conjugate was present during the lysis procedure. This may cause nonspecific staining of target cells, such as leukocytes, which have bound the resulting erythroid fragments. This background can be mitigated by any of the following: titrating the antibody conjugate to a lower concentration, fixing samples with formaldehyde, or removing erythrocytes before staining (eg, gradient centrifugation or pre-lysis with wash). This background has not been observed when cells were lysed with BD FACS™ Lysing Solution (Cat. No. 349202) after staining.
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- An isotype control should be used at the same concentration as the antibody of interest.
- Please observe the following precautions: We recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to protect exposure of conjugated reagents, including cells stained with those reagents, to any room illumination. Absorption of visible light can significantly affect the emission spectra and quantum yield of tandem fluorochrome conjugates.
- Tandem fluorochromes contain both an energy donor and an energy acceptor. Although every effort is made to minimize the lot-to-lot variation in the efficiency of the fluorochrome energy transfer, differences in the residual emission from the donor may be observed. Additionally, multi-laser cytometers may directly excite both the donor and acceptor fluorochromes. Therefore, we recommend for every tandem conjugate, a matched individual single-stain control be acquired for generating a compensation or spectral unmixing matrix.
- Cy is a trademark of Global Life Sciences Solutions Germany GmbH or an affiliate doing business as Cytiva.
- Human donor specific background has been observed in relation to the presence of anti-polyethylene glycol (PEG) antibodies, developed as a result of certain vaccines containing PEG, including some COVID-19 vaccines. We recommend use of BD Horizon Brilliant™ Stain Buffer in your experiments to help mitigate potential background. For more information visit https://www.bdbiosciences.com/en-us/support/product-notices.
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Companion Products
Stain Buffer (FBS) RUO
Size 500 mL Cat No. 554656
Stain Buffer (BSA) RUO
Size 500 mL Cat No. 554657
Lysing Buffer RUO
Size 100 mL Cat No. 555899
Lysing Solution 10X Concentrate IVD
Size 100 mL Cat No. 349202
Human BD Fc Block™ RUO
Size 0.25 mg Cat No. 564220
RB670 Mouse IgG1, κ Isotype Control RUO
Size 0.1 mg Cat No. 571784
View Details
770702 Rev. 1
Antibody Details
RPA-2.10
The RPA-2.10 monoclonal antibody specifically binds to CD2 which is also known as Lymphocyte-function antigen-2 (LFA-2), LFA-3 receptor, Erythrocyte receptor, Sheep red blood cell (SRBC) receptor, or T-cell surface antigen T11/Leu-5. CD2 is a 50 kDa type I transmembrane glycoprotein. CD2 belongs to the immunoglobulin superfamily of proteins along with its primary ligand, LFA-3 (CD58). It is expressed on the surface of ~80-90% of human peripheral blood lymphocytes, greater than 95% of thymocytes, all T lymphocytes that form E-rosettes, and a subset of NK cells. CD2 functions as an adhesion receptor that binds to CD58 resulting in the activation of CD2-positive T cells and NK cells and in the regulation of their cytolytic activities.
770702 Rev. 1
Format Details
RB670
The BD Horizon RealBlue™ 670 (RB670) Dye is part of the BD® family of blue dyes. It is a tandem fluorochrome with an excitation maximum (Ex Max) at 492 nm and an emission maximum (Em Max) at 670 nm as measured using an antibody-dye conjugate. Driven by BD® innovation, RB670 can be used on both spectral and conventional cytometers and is designed to be primarily excited by the Blue laser (488-nm). For conventional instruments equipped with only a Blue laser (488-nm), RB670 can be used as an alternative to PE-Cy5 and we recommend using an optical filter centered near 670-nm (eg, a 670/30-nm bandpass filter). For conventional and spectral instruments equipped with both a Blue (488-nm) and Yellow-Green (561-nm) laser and appropriate detectors, it can be used in conjunction with PE-Cy5.

RB670
Blue 488 nm
492 nm
670 nm
770702 Rev.1
Citations & References
View product citations for antibody "770702" on CiteAb
Development References(9)
Aversa GG, Bishop GA, Suranyi MG, Hall BM. RPA-2.10: an anti-CD2 monoclonal antibody that inhibits alloimmune responses and monitors T cell activation. Transplant Proc. 1987; 19(1):277-278. (Immunogen: Flow cytometry, Immunoprecipitation, Inhibition).View Reference
Bjornson-Hooper ZB, Fragiadakis GK, Spitzer MH, et al. A Comprehensive Atlas of Immunological Differences Between Humans, Mice, and Non-Human Primates.. Front Immunol. 2022; 13:867015. (Clone-specific: Flow cytometry).View Reference
Hahn WC, Burakoff SJ, Bierer BE. Signal transduction pathways involved in T cell receptor-induced regulation of CD2 avidity for CD58. J Immunol. 1993; 150(7):2607-2619. (Biology).View Reference
Jonker M, Slingerland W. Reactivity of mAb specific for human CD markers with Rhesus monkey leucocytes. In: Knapp W. W. Knapp .. et al., ed. Leucocyte typing IV : white cell differentiation antigens. Oxford New York: Oxford University Press; 1989:1058-1063.
Kato K. CD2 Workshop Panel report. In: Kishimoto T. Tadamitsu Kishimoto .. et al., ed. Leucocyte typing VI : white cell differentiation antigens : proceedings of the sixth international workshop and conference held in Kobe, Japan, 10-14 November 1996. New York: Garland Pub.; 1997:39-43.
Knapp W. W. Knapp .. et al., ed. Leucocyte typing IV : white cell differentiation antigens. Oxford New York: Oxford University Press; 1989:1-1182.
Lin G-X, Yang X, Hollemweguer E, et al. Cross-reactivity of CD antibodies in eight animal species. In: Mason D. David Mason .. et al., ed. Leucocyte typing VII : white cell differentiation antigens : proceedings of the Seventh International Workshop and Conference held in Harrogate, United Kingdom. Oxford: Oxford University Press; 2002:519-523.
Sopper S, Stahl-Hennig C, Demuth M, Johnston IC, Dorries R, ter Meulen V. Lymphocyte subsets and expression of differentiation markers in blood and lymphoid organs of rhesus monkeys. Cytometry. 1997; 29(4):351-362. (Clone-specific: Flow cytometry).View Reference
Suranyi MG, Bishop GA, Clayberger C, et al. Lymphocyte adhesion molecules in T cell-mediated lysis of human kidney cells. Kidney Int. 1991; 39(2):312-319. (Clone-specific: Flow cytometry, Inhibition).View Reference
770702 Rev. 1