Fig. 2.

Acid-induced (a) or salt-induced (b) conformational transitions of horse cytochrome c in the presence of 18 mM HCl measured by the ellipticity at 222 nm at 20 °C. TCAH Trichloroacetic acid, TFAH trifuluoroacetic acid, TCANa sodium trichloroacetate. Reproduced from Goto et al. (1990b), with permission