Mouse IgM Antibody (II/41) [FITC]


Flow Cytometry: Mouse IgM Antibody (II/41) [FITC] [NBP1-43947] - Staining of C57BL/6 bone marrow cells with Anti-Human/Mouse CD45R (B220) APC and 0.125 ug of Rat IgG2a K Isotype Control FITC (left) or 0.125 ug of more

Product Details

Reactivity MuSpecies Glossary
Applications Flow
0.5 mg/ml

Mouse IgM Antibody (II/41) [FITC] Summary

The immunogen for this antibody was Fluorescein IgM.
IgG2a Kappa
Protein A or G purified
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Packaging, Storage & Formulations

Store at 4C. Do not freeze.
FITC (A=495, E=519)
Aqueous buffer, may contain carrier protein/stabilizer (proprietary)
0.09% Sodium Azide
0.5 mg/ml
Protein A or G purified


  • Flow Cytometry 1:10-1:1000
Application Notes
The II/41 antibody has been tested by flow cytometric analysis of mouse spleen cell suspensions. This can be used at less than or equal to 0.125 ug per test. Cell number should be determined empirically but can range from 10^5to 10^8cells/test.

Reactivity Notes

This antibody is reactive to Mouse.

Alternate Names for Mouse IgM Antibody (II/41) [FITC]

  • constant region of heavy chain of IgM
  • DKFZp686I15196
  • DKFZp686I15212
  • FLJ00385
  • Hepatitis B virus receptor binding protein
  • Ig mu chain C region
  • IGHM
  • Immunoglobin heavy constant mu
  • Immunoglobulin heavy constant gamma 3
  • Immunoglobulin heavy mu chain
  • Immunoglobulin mu chain
  • immunoglobulin mu
  • Imunoglobulin heavy chain
  • MGC104996
  • MGC52291
  • mu
  • -region CH4 membrane bound domain
  • VH


The II/41 monoclonal antibody reacts with the mu heavy chain of mouse IgM. It does not react with other classes of mouse immunoglobulin including IgD, IgG or IgA. IgM is expressed intracellularly, during early stages of B lymphopoiesis, and then on the surface of more mature B cells in the bone marrow and peripheral B cells. Fluorochrome conjugated II/41 can be used as a detection secondary for mouse IgM.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Secondary Antibodies


Isotype Controls

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Bioinformatics Tool for Mouse IgM Antibody (NBP1-43947)

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Research Areas for Mouse IgM Antibody (NBP1-43947)

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Blogs on Mouse IgM.

Understanding the Importance of Human IgG
Human IgG is a component of the immune system that protects the body from infection. It is the most abundantly found antibody isotype within the circulatory system of the human body. All antibody isotypes contain two heavy chains and two light chains...  Read full blog post.

Contact Information

Product PDFs


Gene Symbol IGHM

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