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ArsK reduced the cellular accumulation of As(III), Sb(III), Rox(III), and MAs(III). The levels of cellular As(III) (A), Sb(III) (B), Rox(III) (C), MAs(III) (D), As(V) (E), and dimethyl-As(III) (F) in E. coli strain AW3110 with plasmid pUC19 or pUC19-ArsK are shown. The data are the means from three replicates.
