Human CD19 Antibody

Recombinant Monoclonal Antibody
Catalog # Availability Size / Price Qty
MAB4867R-100
MAB4867R-SP
MAB4867R-500
MAB4867R-01M
Detection of CD19  in Human PBMCs by Flow Cytometry.
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Human CD19 Antibody Summary

Species Reactivity
Human
Specificity
Detects human CD19.
Source
Recombinant Monoclonal Mouse IgG1 Clone # 4G7-2E3R
Purification
Protein A or G purified from cell culture supernatant
Immunogen
Human CCL cells
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25 µg/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 Example

Flow Cytometry Detection of CD19  in Human PBMCs by Flow Cytometry. View Larger

Detection of CD19 in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) were stained with Recombinant Mouse Anti-Human CD3 epsilon Alexa Fluor® 700‑conjugated Monoclonal Antibody (Catalog # FAB100N) and either (A) Mouse Anti-Human CD19 Monoclonal Antibody (Catalog # MAB4867R) or (B) Mouse IgG1 Isotype Control (Catalog # MAB002) followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B).

Reconstitution Calculator

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.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

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); 102145514 (Cynomolgus Monkey); 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

Product Datasheets

FAQs

No product specific FAQs exist for this product, however you may

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Isotype Controls

Mouse IgG1 Isotype Control

Ctrl

Reconstitution Buffers

Secondary Antibodies

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