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BUV661 Mouse Anti-Human CD3 SK7 (also known as Leu-4) RUO

BUV661 Mouse Anti-Human CD3 

Clone  SK7 (also known as Leu-4)   (RUO)

  • Brand BD OptiBuild™
    BD OptiBuild custom reagents make BD Horizon Brilliant™ dyes readily available across a wide selection of cell surface antibodies. Learn more about what makes BD OptiBuild reagents unique Learn more at bdbiosciences.com/go/optibuild
  • Alternative Name CD3-epsilon; CD3E; Leu4; T-cell surface antigen T3/Leu-4 epsilon chain; T3E
  • Concentration 0.2 mg/ml
  • Isotype Mouse BALB/c IgG1, κ
  • Reactivity Human (Tested in Development) 
  • Application Flow cytometry (Qualified) 
  • Immunogen Human Thymocytes
  • Workshop No. II T118; III T492
  • Entrez Gene ID 916 
  • Storage Buffer Aqueous buffered solution containing ≤0.09% sodium azide.
  • Regulatory Status RUO
Product Details Recommended Assay References

Description

The SK7 (Leu-4) monoclonal antibody specifically binds to the epsilon chain of the CD3 antigen/T-cell antigen receptor (TCR) complex. This complex is composed of at least six proteins that range in molecular weight from 20 to 30 kDa. The antigen recognized by CD3 antibodies is noncovalently associated with either α/β or γ/δ TCR (70 to 90 kDa). The CD3 antigen is present on 61% to 85% of normal peripheral blood lymphocytes 60% to 85% of thymocytes and on Purkinje cells in the cerebellum. The soluble form of this antibody has a mitogenic effect on most peripheral blood T lymphocytes, provided appropriate functional monocytes are present.

The antibody was conjugated to BD Horizon™ BUV661 which is part of the BD Horizon Brilliant™ Ultraviolet family of dyes. This dye is a tandem fluorochrome of BD Horizon BUV395 with an Ex Max of 348-nm and an acceptor dye with an Em Max at 661-nm. BD Horizon Brilliant BUV661 can be excited by the ultraviolet laser (355 nm) and detected with a 670/25 filter and a 630 nm LP. Due to cross laser excitation of this dye, there may be significant spillover into channels detecting APC-like emissions (eg, 670/25-nm filter).

Due to spectral differences between labeled cells and beads, using BD™ CompBeads can result in incorrect spillover values when used with BD Horizon BUV661 reagents. Therefore, the use of BD CompBeads or BD CompBeads Plus to determine spillover values for these reagents is not recommended. Different BUV661 reagents (eg, CD4 vs. CD45) can have slightly different fluorescence spillover therefore, it may also be necessary to use clone-specific compensation controls when using these reagents.

Format
  • Format BUV661
  • Excitation Source Ultraviolet 355 nm
  • Emission Max 661 nm

Other Formats →

Suggested Companion Products

BUV661 Mouse IgG1, κ Isotype Control X40 RUO
50 µg Cat No: 612966

Stain Buffer (FBS) RUO
500 mL Cat No: 554656

Stain Buffer (BSA) RUO
500 mL Cat No: 554657

Brilliant Stain Buffer RUO
100 Tests Cat No: 563794

Lysing Buffer RUO
100 mL Cat No: 555899

Lysing Solution 10X Concentrate CE/IVD
100 Cat No: 349202

Human BD Fc Block™ RUO
50 mg Cat No: 564219

Resources & Tools
 Spectrum Viewer  Panel Designer  Spectrum Viewer  Regulatory Document Website  Download TDS
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 with BD Horizon BUV661 under optimal conditions that minimize unconjugated dye and antibody.

Product Notices

  1. This antibody was developed for use in flow cytometry.
  2. 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.
  3. Researchers should determine the optimal concentration of this reagent for their individual applications.
  4. An isotype control should be used at the same concentration as the antibody of interest.
  5. 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.
  6. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
  7. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
  8. BD Horizon Brilliant Stain Buffer is covered by one or more of the following US patents: 8,110,673; 8,158,444; 8,575,303; 8,354,239.
  9. BD Horizon Brilliant Ultraviolet 661 is covered by one or more of the following US patents: 8,110,673; 8,158,444; 8,227,187; 8,575,303; 8,354,239.


For optimal and reproducible results, BD Horizon Brilliant Stain Buffer should be used anytime two or more BD Horizon Brilliant dyes (including BD OptiBuild Brilliant reagents) are used in the same experiment. Fluorescent dye interactions may cause staining artifacts which may affect data interpretation. The BD Horizon Brilliant Stain Buffer was designed to minimize these interactions. More information can be found in the Technical Data Sheet of the BD Horizon Brilliant Stain Buffer (Cat. No. 563794).


  1. Ernst DN, Shih CC. CD3 complex. J Biol Regul Homeost Agents. 2000; 14(3):226-229. (Biology: Flow cytometry). View reference

  2. Kan EA, Wang CY, Wang LC, Evans RL. Noncovalently bonded subunits of 22 and 28 kd are rapidly internalized by T cells reacted with anti-Leu-4 antibody. J Immunol. 1983; 131(2):536-539. (Clone-specific: Flow cytometry). View reference

  3. Kaneoka H, Perez-Rojas G, Sasasuki T, Benike CJ, Engleman EG. Human T lymphocyte proliferation induced by a pan-T monoclonal antibody (anti-Leu 4): heterogeneity of response is a function of monocytes. J Immunol. 1983; 131(1):158-164. (Clone-specific: Flow cytometry). View reference

  4. Knapp W. W. Knapp .. et al., ed. Leucocyte typing IV : white cell differentiation antigens. Oxford New York: Oxford University Press; 1989; :1-1182.

  5. Knowles RW. Immunochemical analysis of the T-cell–specific antigens. In: Reinherz EL. Ellis L. Reinherz .. et al., ed. Leukocyte typing II. New York: Springer-Verlag; 1986; :259-288.

  6. Kurrle R, Seyfert W, Trautwein A, Seiler FR. T cell activation by CD3 antibodies. In: Reinherz EL. Ellis L. Reinherz .. et al., ed. Leukocyte typing II. New York: Springer-Verlag; 1986; :137-146.

  7. Lanier LL, Allison JP, Phillips JH. Correlation of cell surface antigen expression on human thymocytes by multi-color flow cytometric analysis: implications for differentiation. J Immunol. 1986; 137(8):2501-2507. (Clone-specific: Flow cytometry). View reference

  8. Ledbetter JA, Evans RL, Lipinski M, Cunningham-Rundles C, Good RA, Herzenberg LA. Evolutionary conservation of surface molecules that distinguish T lymphocyte helper/inducer and cytotoxic/suppressor subpopulations in mouse and man. J Exp Med. 1981; 153(2):310-323. (Clone-specific: Flow cytometry). View reference

  9. Ledbetter JA, Frankel AE, Herzenberg. Human Leu T-cell differentiation antigens: quantitative expression on normal lymphoid cells and cell lines. In: Hammerling G, Hammerling U, Kearney J, ed. Monoclonal Antibodies and T Cell Hybridomas: Perspectives and Technical News. New York: Elsevier/North Holland Biomedical Press; 1981; :16-22.

  10. McMichael AJ. A.J. McMichael .. et al., ed. Leucocyte typing III : white cell differentiation antigens. Oxford New York: Oxford University Press; 1987; :1-1050.

  11. Schlossman SF. Stuart F. Schlossman .. et al., ed. Leucocyte typing V : white cell differentiation antigens : proceedings of the fifth international workshop and conference held in Boston, USA, 3-7 November, 1993. Oxford: Oxford University Press; 1995; .

  12. van Dongen JJM, Krissansen GW, Wolvers-Tettero ILM, et al. Cytoplasmic expression of the CD3 antigen as a diagnostic marker for immature T-cell malignanacies. Blood. 1988; 71(3):603-612. (Clone-specific: Flow cytometry). View reference

  13. Zola H. Leukocyte and stromal cell molecules : the CD markers. Hoboken, N.J.: Wiley-Liss; 2007; .

741692 Rev. 2
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