Human CD19 Fluorescein-conjugated Antibody

(1 citations)   
  • 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
  • Flow Cytometry
    10 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 Fluorescein‑conjugated Monoclonal Antibody (Catalog # FAB4867F) or (B) Mouse IgG1 Fluorescein Isotype Control (Catalog # IC002F). 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

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

Showing Results 1 - 1 of 1

  1. Over-expression of receptor activator of nuclear factor-kappaB ligand (RANKL), inflammatory cytokines, and chemokines in periprosthetic osteolysis of loosened total hip arthroplasty.
    Authors: Wang CT, Lin YT, Chiang BL, Lee SS, Hou SM
    Biomaterials, 2010;31(1):77-82.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG1 Fluorescein-conjugated Antibody

Ctrl IC002F 9  
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Staining Reagents
Description Application Cat# Citations Images  

Flow Cytometry Staining Buffer (1X)

Flow FC001 3
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Flow Cytometry Mouse Lyse Buffer (10X)

Flow FC003 1
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Flow Cytometry Human Lyse Buffer (10X)

Flow FC002 1
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