CD19 Antibody


Western Blot: CD19 Antibody [NBP2-15782] - Sample (30 ug of whole cell lysate) A: Raji 7. 5% SDS PAGE gel, diluted at 1:10000.
Immunocytochemistry/ Immunofluorescence: CD19 Antibody [NBP2-15782] - Raji cells. Green: CD19 protein stained by CD19 antibody [C1C3]. Blue: Hoechst 33342 staining.

Product Details

Reactivity HuSpecies Glossary
Applications WB, ICC/IF
0.67 mg/ml

Order Details

CD19 Antibody Summary

Recombinant fragment corresponding to a region within amino acids 282 and 556 of CD19 (Uniprot ID#P15391)
Immunogen affinity purified
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Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
1XPBS, 1%BSA, 20% Glycerol (pH7).
0.01% Thimerosal
0.67 mg/ml
Immunogen affinity purified


  • Western Blot 1:5000-1:20000
  • Immunocytochemistry/Immunofluorescence 1:100-1:1000
Application Notes
The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Theoretical MW
61 kDa

Reactivity Notes

Expected to cross react based on sequence identity: Pig (86%)

Alternate Names for CD19 Antibody

  • B4
  • B-lymphocyte antigen CD19
  • B-lymphocyte surface antigen B4
  • CD19 antigen
  • CD19 molecule
  • CD19
  • CVID3
  • Differentiation antigen CD19
  • Leu-12
  • MGC12802
  • T-cell surface antigen Leu-12


Lymphocytes proliferate and differentiate in response to various concentrations of different antigens. The ability of the B cell to respond in a specific, yet sensitive manner to the various antigens is achieved with the use of low-affinity antigen receptors. This gene encodes a cell surface molecule which assembles with the antigen receptor of B lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation. [provided by RefSeq]


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

Video Protocols

WB Video Protocol
ICC/IF Video Protocol

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Secondary Antibodies


Isotype Controls

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Blogs on CD19.

CD19: An Undoubted Biomarker for B Cells
CD19 is a cell surface protein member of the large immunoglobulin superfamily that complexes with CD21, CD81, and CD225 in the membrane of mature B-cells. A major function of CD19 is to assemble with the antigen receptor of B-lymphocytes to decrease t...  Read full blog post.

Contact Information

Product PDFs


Gene Symbol CD19

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