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Nature 405, 527-528 (1 June 2000) | doi:10.1038/35014724

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Immunology: The footprint of a killer

Klas Kärre & Gunter Schneider1

Class I molecules of the major histocompatibility complex (MHC) are normally expressed on the surface of most cells in the body. They serve two purposes in the immune system.

  1. Gunter Schneider is in the Department of Medical Biochemistry and Biophysics, Karolinska Institute, Box 280, 17177 Stockholm, Sweden.

Correspondence to: Klas Kärre Klas Kärre is at the Microbiology and Tumor Biology Center, Karolinska Institute, Box 280, 17177 Stockholm, Sweden.
e-mail: Email:  klas.karre@mtc.ki.se