AUTHOR=Woodland Breyer , Coorssen Jens R. , Padula Matthew P. TITLE=Protein “purity,” proteoforms, and the albuminome: critical observations on proteome and systems complexity JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2024.1504098 DOI=10.3389/fcell.2024.1504098 ISSN=2296-634X