Characterization of the ATPase activity of the ('Na POT.+''K POT.+')ATPase from gills of the seawater shrimp Xiphopenaeus Kroyeri - Rezende, L. A.; Mantelatto, Fernando Luis Medina; McNamara, John Campbell; Furriel, Rosa dos Prazeres Melo; Leone, Francisco de Assis (Reunião Anual da Sociedade Brasileira de Bioquímica e Biologia Molecular, 2000)