The concentration of IMP-1 used in this experiement is 300 μM. (A), (C), (E) The full UV-VIS spectra after additon of 1 (red) and 2 (green) equivalents of ANT431, thiorphan and tiopronin. (B), (D), (F) Enlarged view of the UV-VIS spcetra from 400 nm to 800 nm after addition of 1 (red) and (green) equivalents of ANT 431, thiorphan and tiopronin.