The mouse monoclonal antibody clone L243 binds to the human HLA-DR antigen, a 36 kDa alpha heavy chain, and a 27 kDa beta light chain heterodimeric cell surface glycoprotein in the transmembrane major histocompatibility complex 2 (MHC II) family. HLA-DR, also known as human leukocyte antigen DR isotype, is present on the surface of antigen-presenting cells including, B cells, dendritic cells, macrophages, monocytes, and activated T cells. MHC class II regulates the immune system by playing a critical role in binding and presenting antigen-derived peptides to peptide-MHC II-specific CD4 T cells. The L243 clone identifies HLA-DR molecules, whether peptide-loaded or unoccupied. It does not exhibit cross-reactivity with HLA-DP and HLA-DQ. Clone L243 interacts with a conformational epitope on HLA-DRα, contingent upon the proper folding of the αβ heterodimer.

PRODUCT DETAILS

Clone: L243

Specificity: HLA-DR

Reactivity: Human, African Green Monkey, Baboon, Chimpanzee, Cynomolgus Monkey, Dog, Common Marmoset, Rhesus Macaque, Squirrel Monkey

Format: Biotin

Isotype: Mouse IgG2a, k

Application: IHC-P, ICC, IP, FC

Storage: 2-8°C protected from light.Do not freeze

Formulation: Phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide

Data Sheets: TDS | SDS

RECOMMENDED USAGE

Flow cytometry: Recommended dilution: 1-5 μg/ml.

REFERENCES

1. Knapp W. 1989. Leucocyte Typing IV. Oxford University Press New York.
2. Barclay N, et al. 1997. The Leucocyte Antigen Facts Book. Academic Press Inc. San Diego.
3. Marsik C, et al. 2003. Shock 20:493-6.
4. Yoshino N, et al. 2000. Exp. Anim. (Tokyo) 49:97-100.

For research use only. Not intended for use in diagnostic procedures.