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PE anti-human CD19 Recombinant Antibody

Pricing & Availability
Clone
QA18A75 (See other available formats)
Regulatory Status
RUO
Other Names
B4
Isotype
Mouse IgG1, κ
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Product Citations
publications
QA18A75_PE_CD19_RECOM_Antibody_082422
Human peripheral blood lymphocytes were stained with anti-human CD20 APC and anti-human CD19 recombinant (clone QA18A75) PE (left) or mouse IgG1, κ PE isotype control (right).
  • QA18A75_PE_CD19_RECOM_Antibody_082422
    Human peripheral blood lymphocytes were stained with anti-human CD20 APC and anti-human CD19 recombinant (clone QA18A75) PE (left) or mouse IgG1, κ PE isotype control (right).
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309505 25 tests £69
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309506 100 tests £141
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Description
CD19, also known as B4, is a 95 kD type I transmembrane glycoprotein. It is a member of the immunoglobulin superfamily expressed on B-cells (from pro-B to blastoid B cells, absent on plasma cells) and follicular dendritic cells. CD19 is involved in B cell development, activation, and differentiation. CD19 forms a complex with CD21 (CR2) and CD81 (TAPA-1), and functions as a BCR co-receptor.
Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human
Antibody Type
Recombinant
Host Species
Mouse
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
Preparation
The antibody was purified by affinity chromatography and conjugated with PE under optimal conditions.
Concentration
Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application

FC - Quality tested
Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is 5 µL per million cells in 100 µL staining volume or 5 µL per 100 µL of whole blood. It is recommended that the reagent be titrated for optimal performance for each application.

Excitation Laser
Blue Laser (488 nm)
Green Laser (532 nm)/Yellow-Green Laser (561 nm)
Application Notes

From in-house testing, clone QA18A75 blocks binding of clone HIB19 on target cells.

RRID
AB_2924528 (BioLegend Cat. No. 309505)
AB_2924528 (BioLegend Cat. No. 309506)

Antigen Details

Structure
Ig superfamily, type I transmembrane glycoprotein, 95 kD
Distribution

B lineage (except plasma cells), follicular dendritic cells

Function
B cell activation and differentiation
Interaction
CD21 (CR2), CD81 (TAPA-1), BCR
Cell Type
B cells, Leukemia, Lymphocytes
Biology Area
Adaptive Immunity, Immuno-Oncology, Signal Transduction
Molecular Family
CD Molecules
Antigen References
  1. Tedder TF, et al. 1994. Immunol. Today 15:437-42.
  2. Bradbury LE, et al. 1993. J Immunol. 151:2915-27.
Gene ID
930 View all products for this Gene ID
UniProt
View information about CD19 on UniProt.org

Related FAQs

What type of PE do you use in your conjugates?
We use R-PE in our conjugates.
Go To Top Version: 1    Revision Date: 08/24/2022

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

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This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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