Expression in E. coli and purification of the nucleoside diphosphate kinase b from Leishmania major and site-directed mutagenesis of the active site region - De Oliveira, A. H. C.; Vieira, P. S.; Ruiz, J. C.; Cruz, Ângela Kaysel; Greene, Lewis Joel; Rosa, José César; Ward, Richard John (Annual Meeting of the Brazilian Society of Protozoology, 2006)