CD99 Antibody (HCD99)


Flow Cytometry: CD99 Antibody (HCD99) [NB100-78009] - Human peripheral blood lymphocytes stained with purified HCD99, followed by anti-mouse IgGs FITC

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CD99 Antibody (HCD99) Summary

The immunogen was the full length version of the protein: CD99 (HCD99)
CD99 (HCD99)
IgG2a Kappa
Protein A or G purified
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  • Flow Cytometry 1:10-1:1000
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Frozen 1:10-1:500
  • Immunohistochemistry-Paraffin 1:10-1:500
Application Notes
Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For immunofluorescent staining, the suggested use of this reagent is: 0.5 microgram per one million cells in 100 microliter volume or 100 microliter of whole blood.

Packaging, Storage & Formulations

Store at 4C. Do not freeze.
PBS (pH 7.2)
0.09% Sodium Azide
0.5 mg/ml
Protein A or G purified

Alternate Names for CD99 Antibody (HCD99)

  • 12E7
  • antigen identified by monoclonal antibodies 12E7, F21 and O13
  • CD99 antigenY homolog
  • CD99 molecule
  • CD99
  • E2 antigen
  • HBA71
  • MIC2 (monoclonal 12E7)
  • MIC2
  • MIC2Y
  • MSK5X
  • pilr-1
  • PILR-L
  • Protein MIC2
  • surface antigen MIC2
  • T-cell surface glycoprotein E2


The HCD99 monoclonal antibody recognizes human CD99 also known as CD99 antigen, E2 antigen, MIC2, and T-cell surface glycoprotein E2. CD99 is a type I, single chain transmembrane protein devoid of N-linked glycosylation sites that is encoded by the pseudoautosomal gene MIC2. CD99 has an apparent molecular weight 32 kD and is widely expressed on a variety of tissues. CD99 is highly expressed on thymocytes, T cells, T cell leukemias and lymphomas and is absent on fetal B cells, some B cell lines, eosinophils, granulocytes and the NK-cell line YT. CD99 is involved in spontaneous rosette formation with erythrocytes and may also be involved in other T-cell and hematopoietic cell adhesion pathways. CD99 has been reported to activate a caspase-independent death pathway in T cells under some conditions. CD99 interacts with a number of proteins including ferritin heavy chain 1, karyopherin beta 1, TRIP13, cyclophilin A, annexin II, and ubiquitin-conjugating enzyme E2H. The HCD99 antibody has been reported to be useful for flow cytometric detection of human CD99 and immunohistochemistry (acetone-fixed frozen tissues and formalin-fixed paraffin-embedded tissues).


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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Gene Symbol CD99