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. Author manuscript; available in PMC: 2022 Dec 1.
Published in final edited form as: J Biol Inorg Chem. 2021 Sep 27;26(8):947–955. doi: 10.1007/s00775-021-01904-5

Figure 1.

Figure 1.

Room-temperature UV/Vis spectra of 0.4 mM Fe(III)ADO in the absence and presence of substrate (analogues) and O2•− surrogates. A) Fe(III)ADO, B) Fe(III)ADO incubated with a 5-fold excess (2 mM) of 2-AET, C) Fe(III)ADO incubated with a 5-fold excess (2 mM) of 3-MPA, and D) Fe(III)ADO incubated with a 10-fold excess (4 mM) of Cys. Spectra were collected either in the absence of an O2•− surrogate (solid lines), the presence of a 200-fold excess (80 mM) of azide (long dashes), or a 10-fold excess (4 mM) of cyanide (short dashes).