Product Description
CD19 is a 95 kD glycoprotein also known as B4. It is a member of the Ig superfamily, expressed on all pro-B to mature B cells (during development) and follicular dendritic cells. Plasma cells do not express CD19. CD19, in association with CD21 and CD81, forms a molecular complex integral to B cell activation.
500μg
Verified Reactivity: Mouse
Antibody Type: Monoclonal
Host Species: Rat
Immunogen: Transfected k562 cells expressing the extracellular domain of murine CD19.
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation: The antibody was purified by affinity chromatography.
Concentration: 0.5 mg/ml
Storage & Handling: The antibody solution should be stored undiluted between 2°C and 8°C.
Application: FC - Quality tested Block, IP - Reported in the literature, not verified in house
Recommended Usage: Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤1.0 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.
Application Notes: Additional reported applications (for the relevant formats) include: blocking1,2 and immunoprecipitation1.
Application References(PubMed link indicates BioLegend citation): Krop I, et al. 1996. Eur. J. Immunol. 26:238. (FC, Blocking, IP) Abraham P, et al. 2014. Clin. Exp. Immunol. 175:181. (Blocking)
Product Citations: Wolf Y, et al. 2017. J Exp Med. 214:905. PubMed Paterson MJ, et al. 2020. PLoS Pathog. 16:e1008733. PubMed Burrello C, et al. 2018. Front Med (Lausanne). 5:21. PubMed Lei Y, et al. 2022. Comp Med. 72:93. PubMed Cao Q, et al. 2018. Am J Physiol Renal Physiol. 314:F561. PubMed Dienz O, et al. 2020. J Immunol. 204:1521. PubMed Shimokawa C et al. 2017. Immunity. 46(5):863-874 . PubMed Dooley K, et al. 2021. Mol Ther. 29:1729. PubMed King IL, et al. 2017. Mucosal Immunol. 10:1160. PubMed Ye Y, et al. 2017. Sci Immunol. 2:17. PubMed Yoon BH, et al. 2018. Mol Cells. 41:953. PubMed Li J, et al. 2021. Front Immunol. 12:710406. PubMed Rosenbaum M, et al. 2019. Nat Commun. 2.05. PubMed Rive CM, et al. 2022. Mol Ther Methods Clin Dev. 26:4. PubMed Duncan CG, et al. 2018. G3 (Bethesda). 0.892361111. PubMed Liu J, et al. 2022. Stem Cell Res Ther. 13:247. PubMed Diao J, et al. 2018. J Immunol. 201:1306. PubMed Mincham KT, et al. 2021. Front Immunol. 11:601494. PubMed
RRID: AB_2629714 (BioLegend Cat. No. 152402)
Structure: Ig superfamily, associates with CD21 and CD81, 95 kD.
Distribution: Pro-B cells to mature B cells (during development), follicular dendritic cells.
Function: Modulates B cell activation and differentiation.
Ligand/Receptor: CD21, CD81, Leu-13.
Cell Type: B cells, Dendritic cells
Biology Area: Costimulatory Molecules, Immunology
Molecular Family: CD Molecules
Antigen References: 1. Fearon DT. 1993. Curr. Opin. Immunol. 5:341. 2. Krop I, et al. 1996. Eur. J. Immunol. 26:238. 3. Krop I, et al. 1996. J. Immunol. 157:48. 4. Tedder TF, et al. 1994. Immunol. Today 15:437.
Gene ID: 12478
UniProt: View information about CD19 on UniProt.org
Clone: 1D3/CD19
Regulatory Status: RUO
Other Names: B4, CVID3
Isotype: Rat IgG2a, κ
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Collaboration
Tony Tang
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