Figure 1.
a) High-resolution crystal structure29 of sperm whale Mb(H64V,V68A) (1) and structure of histidine- and N-methyl-histidine-ligated Fe(DADP) cofactor. b) Absorption spectra for ferric, ferrous and CO-bound form of Mb(H64V,V68A)[Fe(DADP)] (2). c) Absorption spectra for ferric, ferrous and CO-bound form of Mb(H64V,V68A,H93NMH)[Fe(DADP)] (3). See Figure S1 for spectra corresponding to Mb(H64V,V68A) (1).