Figure 5.

Cartoon depiction of currently known MHC class I dimer structures. (a) The cysteine-67-linked HLA-B27 heavy chain dimer.³⁸ (b) The cysteine-42-linked HLA-G dimer.³⁹ (c) The cytoplasmic tail domain MHC class I dimer on redox-altered and apoptotic cells described herein, and exosomes.¹⁵