Biolegend, 400639, Brilliant Violet 421™ Rat IgG2b, κ Isotype Ctrl Antibody, 125microl

The isotype of RTK4530 immunoglobulin is rat IgG2b, κ. This antibody was chosen as an isotype control after screening on a variety of resting, activated, live, and fixed mouse, rat and human tissues.
125microl
Antibody Type: Monoclonal
Host Species: Rat
Immunogen: Trinitrophenol + KLH
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA).
Preparation: The immunoglobulin was purified by affinity chromatography and conjugated with Brilliant Violet 421™ under optimal conditions.
Concentration: µg sizes: 0.2 mg/mLµL 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 ICFC - Verified
Recommended Usage: Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis as negative control. Use at concentrations comparable to those of the specific antibody of interest. Brilliant Violet 421™ excites at 405 nm and emits at 421 nm. The standard bandpass filter 450/50 nm is recommended for detection. Brilliant Violet 421™ is a trademark of Sirigen Group Ltd. Learn more about Brilliant Violet™. This product is subject to proprietary rights of Sirigen Inc. and is made and sold under license from Sirigen Inc. The purchase of this product conveys to the buyer a non-transferable right to use the purchased product for research purposes only. This product may not be resold or incorporated in any manner into another product for resale. Any use for therapeutics or diagnostics is strictly prohibited. This product is covered by U.S. Patent(s), pending patent applications and foreign equivalents.
Excitation Laser: Violet Laser (405 nm)
Application Notes: The RTK4530 immunoglobulin is useful as an isotype-matched control (for the relevant formats) for Western blotting, immunoprecipitation, immunohistochemistry, functional assay, and immunofluorescence microscopy. The Ultra-LEAF™ purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 400643, 400644, 400671, 400672, 400675, and 400676) as negative control.
Application References(PubMed link indicates BioLegend citation): Cervantes-Barragan L, et al. 2007. Blood 109:1131. Zeiser R, et al. 2007. Blood 109:2225. Sasaki K, et al. 2008. J. Immunol. 181:104. PubMed Duan J, et al. 2008. P. Natl. Acad. Sci. USA 105:5183. PubMed Yi H, et al. 2009. Blood 113:5819. PubMed Schafeer JS, et al. 2010. J. Leukocyte Biol. 87:301. PubMed Lei GS, et al. 2015. Infect Immun. 83:572. PubMed Richards J, et al. 2015. Mol Cell Cardiol. 79:21. PubMed
Product Citations: Li B, Schmidt N 2016. PLoS One. 11: 0162427. PubMed Alam A, et al. 2022. Cancer Cell. 40:153. PubMed Chithanathan K, et al. 2022. Cells. 11: . PubMed Girousse A et al. 2019. Cell Rep. 27(2):323-333 . PubMed Baram T, et al. 2021. Cells. 10:. PubMed Yan L, et al. 2021. Front Cell Neurosci. 15:750373. PubMed Joseph R, et al. 2021. Br J Cancer. 125:176. PubMed Giesen D, et al. 2020. Clin Cancer Res. 26:3999. PubMed Piirainen S, et al. 2021. Glia. 69:2459. PubMed O'Reilly LA, et al. 2018. Immunity. 48:570. PubMed Gross KM, et al. 2019. Cell Rep. 28:394. PubMed
RRID: AB_10895758 (BioLegend Cat. No. 400639) AB_11204247 (BioLegend Cat. No. 400655) AB_11204247 (BioLegend Cat. No. 400640)
Gene ID: NA
Clone: RTK4530
Regulatory Status: RUO
Isotype: Rat IgG2b, κ
Q: What is the F/P ratio range of our BV421™ format antibody reagents?
A: It is lot-specific. On average it ranges between 2-4.