Differential effects of a mutation on the normal and promiscuous activities of orthologs: implications for natural and directed evolution.
Khanal A, Yu McLoughlin S, Kershner JP, Copley SD. Differential effects of a mutation on the normal and promiscuous activities of orthologs: implications for natural and directed evolution. Mol Biol Evol. 2015 Jan; 32(1):100-8.