Human CD19 Alexa Fluor® 594-conjugated Antibody

  • Species Reactivity
  • Specificity
    Detects human CD19.
  • Source
    Monoclonal Mouse IgG1 Clone # 4G7-2E3
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Human CLL cells
  • Formulation
    Supplied in a saline solution containing BSA and Sodium Azide.
  • Label
    Alexa Fluor 594
  • Flow Cytometry
    5 µL/106 cells
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of CD19 in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) were stained with Mouse Anti-Human CD3 epsilon APC‑conjugated Monoclonal Antibody (Catalog # FAB100A) and either (A) Mouse Anti-Human CD19 Alexa Fluor® 594‑conjugated Monoclonal Antibody (Catalog # FAB4867T) or (B) Mouse IgG1 Alexa Fluor 594 Isotype Control (Catalog # IC002T). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
  • Shipping
    The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
  • Stability & Storage
    Protect from light. Do not freeze.
    • 12 months from date of receipt, 2 to 8 °C as supplied.
Background: CD19

CD19 is a 95 kDa transmembrane glycoprotein with two Ig-like C2-set domains. CD19 regulates B cell development and activation through interactions with CD21, CD22, and the B cell receptor. CD19 polymorphisms and up‑regulation lead to the development of autoimmunity by promoting autoantibody production. Within the extracellular domain, human CD19 (Accession # P15391) shares 57% amino acid sequence identity with mouse and rat CD19.

  • Entrez Gene IDs:
    930 (Human); 12478 (Mouse); 365367 (Rat); 607898 (Canine); 100147468 (Equine)
  • Alternate Names:
    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
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG1 Alexa Fluor® 594-conjugated Isotype Control

Ctrl IC002T
View Sizes & Prices
Catalog# Size Price Stock Quantity
Loading Information....
Staining Reagents
Description Application Cat# Citations Images  

Flow Cytometry Staining Buffer (1X)

Flow FC001 3
View Sizes & Prices
Catalog# Size Price Stock Quantity
Loading Information....

Flow Cytometry Mouse Lyse Buffer (10X)

Flow FC003 1
View Sizes & Prices
Catalog# Size Price Stock Quantity
Loading Information....

Flow Cytometry Human Lyse Buffer (10X)

Flow FC002 1
View Sizes & Prices
Catalog# Size Price Stock Quantity
Loading Information....

Have you used Human CD19 Alexa Fluor® 594-conjugated Antibody?

Submit a review and receive a $25 amazon gift card if you include an image - $10 Amazon card for reviews without an image. Limited to verified customers in USA, Canada and Europe.

Order Details

Contact Information

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

Certificate of Analysis Lookup

The document you requested is not available online. Please enter the Catalog Number and Lot Number below to have a document emailed to you at the address provided

Certificate of Analysis Lookup

Research Areas of Interest
R&D Systems Guarantee


Customer Information