Abstract:A c type cytochrome isolated from Synechococcus lividus grown on water and 2H2O media, has been studied by resonance Raman spectroscopy. The spectra were taken on the oxidized and reduced protein with excitation within the Soret band at 441.6 nm to determine whether individual resonance Raman bands of the heme shift upon deuterium substitution and also to provide a comparison with the spectra of horse heart cytochrome c. Some of the shifts observed with the deuterated heme c are larger than the corresponding s… Show more
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