Authors: Andrei S Halavaty; Youngchang Kim; George Minasov; Ludmilla Shuvalova; Ievgeniia Dubrovska; James Winsor; Min Zhou; Olena Onopriyenko; Tatiana Skarina; Leka Papazisi; Keehwan Kwon; Scott N Peterson; Andrzej Joachimiak; Alexei Savchenko; Wayne F Anderson Journal: Acta Crystallogr D Biol Crystallogr Date: 2012-09-13