PE Human IgG4 Isotype Control Recombinant Antibody

Pricing & Availability
QA16A15 (See other available formats)
Regulatory Status
Other Names
IGHG4, immunoglobulin heavy chain constant region gamma 4
Human IgG4, κ
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Product Citations
Cat # Size Price Quantity Check Availability Save
403703 25 µg $207
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403704 100 µg $445
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mmunoglobulin G4, or IgG4, is a type of antibody. Humans express four types of IgG (IgG1, IgG2, IgG3, and IgG4). Antibodies in mammals are complex proteins, composed of four independent amino acid chains. The molecule is formed by two identical heavy chains and two identical light chains, and produced by B cells. The FcγR molecules (CD16, CD32, and CD64) on the surface of various immune cells can bind IgG1, IgG2, and IgG4.  

Product Details
Technical data sheet

Product Details

Antibody Type
Host Species
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
0.2 mg/ml
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.

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, use the isotype control at the same concentration as your primary antibody.  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

QA16A15 is a recombinant human IgG4. It can be used as an isotype control when evaluating fully human, humanized, or chimeric antibodies. This product is suitable as an isotype-matched control for ELISA, immunoblotting, FACS, IHC, and functional studies.

Antigen Details

Immunoglobulin, 150 KDa
Cell Type
B cells
Biology Area
Gene ID

Related FAQs

What type of PE do you use in your conjugates?
We use R-PE in our conjugates.
Go To Top Version: 0    Revision Date: 10/16/2017

For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.


*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.


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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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