About the Authors

Andrew F. Neuwald

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Software, Validation, Writing – original draft, Writing – review & editing

aneuwald@som.umaryland.edu

Affiliation Institute for Genome Sciences and Department of Biochemistry & Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Stephen F. Altschul

Roles Formal analysis, Funding acquisition, Methodology, Validation, Writing – review & editing

Affiliation Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.