Abstract:Endoplasmic reticulum aminopeptidases ERAP1/2 have emerged in the last years as key enzymes for the production of antigenic peptides that are presented by MHC class I molecules at the cell surface as part of the adaptive immune response. ERAP1 has unusual enzymatic properties that make it particularly suitable for this biological function. Specifically, it efficiently degrades peptides longer than 9 residues and shows preferences for the whole substrate sequence and not only for the N-terminus. Recently, codin… Show more
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