AUTHOR=Fuertes Gustavo , Sakamoto Kensaku , Budisa Nediljko TITLE=Editorial: Exploring and expanding the protein universe with non-canonical amino acids JOURNAL=Frontiers in Molecular Biosciences VOLUME=10 YEAR=2023 URL=https://www.frontiersin.org/journals/molecular-biosciences/articles/10.3389/fmolb.2023.1303286 DOI=10.3389/fmolb.2023.1303286 ISSN=2296-889X