Identification of an allosteric anion-binding site on O-acetylserine sulfhydrylase: structure of the enzyme with chloride bound.
Burkhard P, Tai CH, Jansonius JN, Cook PF. Identification of an allosteric anion-binding site on O-acetylserine sulfhydrylase: structure of the enzyme with chloride bound. J Mol Biol. 2000 Oct 20; 303(2):279-86.