De Novo Peptide Sequencing Reveals a Vast Cyclopeptidome in Human Gut and Other Environments. - Bahar Behsaz; Hosein Mohimani; Alexey A. Gurevich; Andrey D. Prjibelski; Mark F. Fisher; Larry Smarr; Pieter C. Dorrestein; Joshua S. Mylne; Pavel A. Pevzner (RECOMB, 2019)