Amino Acid Substitutions in the Non-Ordered Ω-Loop 70–85 Affect Electron Transfer Function and Secondary Structure of Mitochondrial Cytochrome <i>c</i> oleh Rita V. Chertkova, Tatyana V. Bryantseva, Nadezhda A. Brazhe, Kseniya S. Kudryashova, Victor V. Revin, Alexei N. Nekrasov, Alexander I. Yusipovich, Alexey R. Brazhe, Andrew B. Rubin, Dmitry A. Dolgikh, Mikhail P. Kirpichnikov, Georgy V. Maksimov