Design, Synthesis, and Evaluation of Aza-Peptide Michael Acceptors as Human 20S Proteasome Inhibitors: Extension to the Prime Site - Sarah E. Border; Leilani M. Lotti Diaz; Rasmiah Amer; Abigail M. Noonchester; Kayla S. Kucway; Michael Fleisher; Joseph P. Fernandez; Alex R. Lovins; Thomas S. Corrigan; Ana K. Serrano; Conor R. Caffrey; Anthony J. O’Donoghue; et al. (ACS Omega, 2025)