CryoEM structure of an MHC-I/TAPBPR peptide-bound intermediate reveals the mechanism of antigen proofreading - Yi Sun; Ruth A. Pumroy; Leena Mallik; Apala Chaudhuri; Chloe Wang; Daniel Hwang; Julia N. Danon; Kimia Dasteh Goli; Vera Y. Moiseenkova-Bell; Nikolaos G. Sgourakis (Proceedings of the National Academy of Sciences, 2025)