Figure 2.

Comparative RR spectra of the wild-type and site-directed variant forms of R. sphaeroides ISP (A–D) and S. tokodaii SDX (E–G) in the oxidized state, obtained at 77K using 488.0-nm Ar⁺ laser excitation (Iwasaki et al. 2004a). An asterisk in the spectra indicates an ice made from buffer.