… redox potentials obtained with the present methodology, as well as the prediction of reduction
orders for each cytochrome. … error estimates and the midpoint potential of the heme model …

… We havealso measured theeffect of temperature on the kinetics of cytochrome photooxidation
at moderate redox potential (Figure 4B and 5). The data were analyzed as a sum of two …

… O., Rapp-Giles, BJ, and Wall, JD1992 Site-directed mutagenesis of tetraheme cytochrome
c 3 . Modification of oxidoreduction potentials after heme axial ligand replacement J. Biol. …

… redox potentials covered by c-type cytochromes, we have performednonisothermal potentiometric
experiments on cytochromes … we consider next the case of tetraheme cytochromes c3. …

… 1B, with a central tetra-heme chain between hemes 2 and 7 and two heme-… tetra-heme
chain, stacked pairs within the two heme-triples, and T-shaped connections between tetra-heme …

… (IM) associated tetraheme cytochrome CymA receives … acts as a redox hub, distributing
electrons to various cytochromes at … redox potentials of the heme groups are modulated by redox …

… In fact, by changing the axial ligands of the haem, as well as its neighbouring polypeptide
residues, the midpoint redox potential of cytochromes can be changed by approximately 1V [3]…

… redox system where experimental information exists for the fully oxidized and fully reduced
states: tetraheme cytochrome … are important in modulating the redox potentials of the hemes. …

… at redox states where only the high-potential cytochromes are … Nevertheless, no photooxidation
of high-potential hemes at … the redox heterogeneity of the high-potential hemes. A less …

… redox conditions where the two high-potential hemes (c-559 and c-556) of the tetraheme
cytochrome … re-reduced by electron transfer from reduced cytochrome c2 present in the solution. …