4P2O:
reference: Deconstructing the Peptide-MHC Specificity of T Cell Recognition., Birnbaum ME, Mendoza JL, Sethi DK, Dong S, Glanville J, Dobbins J, Ozkan E, Davis MM, Wucherpfennig KW, Garcia KC, Cell. 2014 May 22;157(5):1073-87. doi: 10.1016/j.cell.2014.03.047. PMID: 24855945

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