Vβ 8.1, 8.2 TCR Mouse anti-Mouse, Brilliant Violet 605, Clone: MR5-2, BD Optibuild™
Mouse Monoclonal Antibody
Manufacturer: BD Biosciences 744331
The MR5-2 antibody reacts with the V β 8.1 and V β 8.2 T-cell Receptors (TCR), but not the V β 8.3 TCR, of mice having the b haplotype ( e.g ., A, AKR, BALB/c, CBA/Ca, CBA/J, C3H/He, C57BL, C58, DBA/1, DBA/2) of the Tcrb gene complex. The Tcrb-V8 subfamily gene loci are deleted in mice having the a ( e.g ., C57BR, C57L, SJL, SWR) or c ( e.g., RIII) haplotype. V β 8.1 TCR-bearing T lymphocytes are clonally eliminated in mice expressing superantigen encoded by the Mtv-7 (Mls-1a, Mlsa), provirus ( e.g., AKR, CBA/J, C58, DBA/2), and activation or elimination of V β 8.1 TCR-expressing T cells by this determinant is partially dependent upon presentation by I-E. Mtv-43 (e.g., MA/MyJ), Mtv-44 (e.g., NZW), and/or exogenous MMTV-SW superantigens also cause incomplete elimination of V β 8.1 TCR-bearing T cells. In addition to expression on conventional T lymphocytes, V β 8.2 is the predominant β chain of the TCR on NK-T cells. Staphylococcal enterotoxin B, in association with antigen presenting cells expressing I-A and/or I-E, stimulates lymphocytes bearing V β 8 TCR and selectively eliminates those T cells in vivo . Plate-bound MR5-2 antibody activates V β 8.1 or 8.2 TCR-bearing T lymphocytes.This antibody is conjugated to BD Horizon™ BV605 which is part of the BD Horizon Brilliant™ Violet family of dyes. With an Ex Max of 407nm and Em Max of 602nm, BD Horizon BV605 can be excited by a violet laser and detected with a standard 610/20nm filter set. BD Horizon BV605 is a tandem fluorochrome of BD Horizon BV421 and an acceptor dye with an Em max at 605nm. Due to the excitation of the acceptor dye by the green (532 nm) and yellow-green (561 nm) lasers, there will be significant spillover into the PE and BD Horizon PE-CF594 detectors off the green or yellow-green lasers. BD Horizon BV605 conjugates are very bright, often exhibiting brightness equivalent to PE conjugates and can be used as a third color off of the violet laser. BV605 is a tandem fluorochrome that combines BD Horizon BV421 and Cy™3.5. These conjugates are very bright, exhibiting similar brightness to equivalent PE conjugates. Due to the excitation of Cy3.5 by the green (532nm) and yellow-green (561nm) lasers, there will be significant spillover of the BD Horizon BV605 signal into the PE and BD Horizon PE-CF594 detectors off the green or yellow-green lasers.
|Vβ 8.1, 8.2 TCR|
|TCR V beta 8.1, TCR V beta 8.2|
|C57BL/6 mouse helper T-cell clone OI6|
|The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated with BD Horizon BV605 under optimal conditions that minimize unconjugated dye and antibody.|
|Brilliant Violet 605|
|Aqueous buffered solution containing ≤0.09% sodium azide.|
|Mouse C57L IgG2a, κ|
|Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.|
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