An Allosteric Mechanism for Switching between Parallel Tracks in Mammalian Sulfur Metabolism. - Tatyana K. Korendyaseva; Denis N. Kuvatov; Vladimir A. Volkov; Michael V. Martinov; Victor M. Vitvitsky; Ruma Banerjee; Fazoil I. Ataullakhanov (PLoS Comput. Biol., 2008)