Aebersold R, Agar J, Amster J, Baker M, Bertozzi C, Boja E, Costello C, Cravatt B, Fenselau C, Garcia B, Ge Y, Gunawardena J, Hendrickson R, Hergenrother P, Huber C, Ivanov A, Jensen O, Jewett M, Kelleher N, Kiessling L, Krogan N, Larsen M, Loo J, Loo R, Lundberg E, MacCoss M, Mallick P, Mootha V, Mrksich M, Muir T, Patrie S, Pesavento J, Pitteri S, Rodriguez H, Saghatelian A, Sandoval W, Schlüter H, Sechi S, Slavoff S, Smith L, Snyder M, Thomas P, Uhlén M, Van Eyk J, Vidal M, Walt D, White F, Williams E, Wohlschlager T, Wysocki V, Yates N, Young N, Zhang B. How many human proteoforms are there?. Nat Chem Biol. 2018;14(3):206–214. PMCID: PMC5837046

Guo C-J, Chang F-Y, Wyche T, Backus K, Acker T, Funabashi M, Taketani M, Donia M, Nayfach S, Pollard K, Craik C, Cravatt B, Clardy J, Voigt C, Fischbach M. Discovery of Reactive Microbiota-Derived Metabolites that Inhibit Host Proteases. Cell. 2017;168(3):517–526.e18. PMCID: PMC5302092