Date published: 2026-4-20

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CD19 Antibody (PDR134): sc-53191

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Datasheets
  • CD19 Antibody (PDR134) is a mouse monoclonal IgM κ, cited in 1 publications, provided at 200 µg/ml
  • raised against Pokeweek-stimulated Daudi and Raji cells of human origin
  • recommended for detection of CD19 of human origin by WB, IP, IF and FCM
  • available conjugated to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • See CD19 (B-1): sc-390244 for CD19 antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for CD19 Antibody (PDR134). This work is in progress.
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CD19 Antibody (PDR134) is a mouse monoclonal IgM kappa light chain antibody that detects CD19 protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and flow cytometry (FCM). CD19 is a crucial transmembrane glycoprotein that plays a significant role in B-cell development and function, as CD19 is selectively expressed on the surface of B-lymphocytes. CD19 contains two extracellular immunoglobulin-like domains, which are essential for interaction with other proteins and for initiating intracellular signaling cascades. Notably, CD19 is involved in activating pathways such as Ras and phosphatidylinositol 3-kinase, which are vital for B-cell activation and proliferation. CD19′s importance extends to forming functional complexes with other B-lymphocyte surface proteins, including integrin β1, CD21, and CD81, which collectively regulate B-cell development and enhance the immune response. CD19′s expression is maintained throughout B-cell maturation and persists even during the terminal differentiation of B-cells into plasma cells, underscoring CD19′s critical role in the adaptive immune system.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CD19 Antibody (PDR134)

sc-53191
200 µg/ml
$322.00

CD19 Antibody (PDR134) FITC

sc-53191 FITC
200 µg/ml
$336.00

CD19 Antibody (PDR134) PE

sc-53191 PE
200 µg/ml
$349.00

The example WB figure shows a CD19 band in HeLa whole cell lysate. Why would the HeLa cell express CD19 since it's an epithelial cell?

Asked by: hs204
Thank you for your questions. We have confirmed the presence of CD19 in HeLa by Western Blot. For further assistance please contact technical service scbt@scbt.com or call (800)-457-3801.
Answered by: BlakeJ
Date published: 2023-02-23

How can CD19 (PDR134): sc-53191 mouse monoclonal antibody be used for double or triple staining, if the other primary antibodies are also raised in mouse?

Asked by: Professor Griffin
In this case, we recommend using a directly conjugated mouse monoclonal primary antibody. This antibody is available conjugated to phycoerythrin (sc-53191 PE) or fluoroscein (sc-53191 FITC).
Answered by: Technical Support
Date published: 2017-02-27
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Rated 4 out of 5 by from Strong bands detected in WB using Daudi andStrong bands detected in WB using Daudi and HeLa whole cell lysates. -SCBT QC
Date published: 2015-01-11
Rated 5 out of 5 by from Band seen in WB using GABand seen in WB using GA-10 whole cell lysate. -SCBT QC
Date published: 2013-10-13
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CD19 Antibody (PDR134) is rated 4.5 out of 5 by 2.
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