We are looking at peptides from two different viruses sitting in the grooves of two copies of the same class I MHC molecule (mouse H-2Kb). We are looking at the faces to which the T cell antigen receptors would bind. A higher-resolution version of this image with a white background is provided for those who wish to print this image. The atomic coordinate files employed were 1VAA.PDB and 1VAB.PDB.

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