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Nb9 specificity. (a) SDS-PAGE of purified Cu+-transporting PIB-1-ATPase from Legionella pneumophila (LpCopA) and Cd2+ and Zn2+-transporting PIB-2-ATPase from Mesorhizobium metallidurans (MmCadA) (b) Nb9 was tested for specificity against LpCopA and against MmCadA, in the presence of Cu+ or Zn2+, respectively. The results are normalized for the background in presence of the metal ion chelator EDTA.
