The Internal Sequence of the Peptide-Substrate Determines Its N-Terminus Trimming by ERAP1 Evnouchidou, Irini ; Momburg, Frank ; Papakyriakou, Athanasios ; Chroni, Angeliki ; Leondiadis, Leondios ; Chang, Shih-Chung ; Goldberg, Alfred L. ; Stratikos, Efstratios Abstract Publication: PLoS ONE Pub Date: November 2008 DOI: 10.1371/journal.pone.0003658 Bibcode: 2008PLoSO...3.3658E