Fig. 7.

EPR spectra of the Type II SoxAX protein from Starkeya novella Panel a CW-EPR spectrum of S. novella SoxAX (50 mM, in 20 mM Tris–HCl, pH 8.0, T = 2 K), Panel b S. novella SoxAX CW-EPR signals in the g ~ 2 region (50 mM, in 20 mM Tris–HCl, pH 8.0, T = 2 K), a experimental spectrum, b,c,d simulations of LS1A, LS1B and LS2, respectively (adapted from [53]) Panel c Spectrum i, experimental CW-EPR spectrum of Cu(II)-loaded S. novella SoxAX, (T = 60.0 K), ii spectrum i corrected for heme dependent components (adapted from [50]