Proceedings of the National Academy of Sciences of the United States of America Alexey Kozlenkov, Marit W Vermunt, Pasha Apontes, …, Menno P Creyghton, Eugene V Koonin, Stella Dracheva DOI: 10.1073/pnas.2011884117 PMID: 33109720 PMCID: PMC7668098