Homology models guide discovery of diverse enzyme specificities among dipeptide epimerases in the enolase superfamily

Tiit Lukk, Ayano Sakai, Chakrapani Kalyanaraman, Shoshana D. Brown, Heidi J. Imker, Ling Song, Alexander A. Fedorov, Elena V. Fedorov, Rafael Toro, Brandan Hillerich, Ronald Seidel, Yury Patskovsky, Matthew W. Vetting, Satish K. Nair, Patricia C. Babbitt, Steven C. Almo, John A. Gerlt, Matthew P. Jacobson