@article{atchley_zhao_2007, title={Molecular architecture of the DNA-binding region and its relationship to classification of basic helix-loop-helix proteins}, volume={24}, ISSN={["1537-1719"]}, DOI={10.1093/molbev/msl143}, number={1}, journal={MOLECULAR BIOLOGY AND EVOLUTION}, author={Atchley, William R. and Zhao, Jieping}, year={2007}, month={Jan}, pages={192–202} }
 @article{atchley_zhao_fernandes_druke_2005, title={Solving the protein sequence metric problem}, volume={102}, ISSN={["1091-6490"]}, DOI={10.1073/pnas.0408677102}, number={18}, journal={PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA}, author={Atchley, WR and Zhao, JP and Fernandes, AD and Druke, T}, year={2005}, month={May}, pages={6395–6400} }