Non-chelating inhibition of the H101N variant of human liver arginase by EDTA.


Recombinant wild-type human liver arginase (EC expressed in Escherichia coli was markedly resistant to inhibition by ethylene diamine tetraacetic acid (EDTA). In contrast, half and fully activated species of the H101N variant were totally inactive in the presence of approximately 1 mM EDTA. Dilution of inhibited species in metal-free buffer lead to… (More)


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