Crystal structure of a myotoxic Asp49-phospholipase 'A IND.2' with low catalytic activity: insights into 'Ca POT.2+'-independent catalytic mechanism - Corrêa, Luiz C.; Marchi-Salvador, Daniela P.; Cintra, Adélia Cristina Oliveira; Sampaio, Suely Vilela; Soares, Andreimar Martins; Fontes, Marcos R. M. (Biochimica et Biophysica Acta, 2008)