Probing the pH-dependent structural features of a-KTx12.1, a potassium channel blocker from the scorpion Tityus serrulatus - Oyama, Sergio; Pristovsek, Primoz; Franzoni, Lorella; Pertinhez, Thelma A.; Schinina, Eugenia; Luecke, Christian; Rueterjans, Heinz; Arantes, Eliane C.B.; Spisni, Alberto (Biological Magnetic Resonance Bank, 2006)