Spectroscopic properties of low-spin ferrous heme complexes and hemeproteins at 77degrees K. |
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Authors: | G C Wagner J Kassner |
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Affiliation: | Department of Chemistry University of Illinois at Chicago Circle Chicago, Illinois 60680 USA |
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Abstract: | The low temperature optical spectra in the region of the Q00 (α-band) and Q01 (β-band) transitions of model heme complexes for - and c-type cytochromes were measured and the results discussed in terms of the similarities and differences to the spectra of horse heart cytochrome and other hemeproteins. Comparisons of the resolved vibronic components of the Q01 and β′ bands were made to the recent resonance Raman spectra of hemeproteins. Tentative assignment of the β′ band to Q02 type transitions has been proposed. |
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