TAPBPR Promotes Antigen Loading on MHC-I Molecules Using a Peptide Trap
A. C. McShan, C. A. Devlin, G. I. Morozov…·N. G. Sgourakis
This study identifies the role of TAPBPR's 16-residue loop in promoting peptide loading on MHC-I by acting as a kinetic trap, not by competing with incoming peptides.