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Fig. 6. Agarose gel electrophoresis of pBR322 DNA treated with increasing concentration of complex 1. Lane 1, DNA control; lane 2, DNA + ascorbic acid (1 mM); lane 3, DNA + 1 (160 μM); lanes 4–9, DNA + 1 at 60, 80, 100, 120, 140 and 160 μM in the presence of ascorbic acid (1 mM).