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. 1983 May;154(2):708–718. doi: 10.1128/jb.154.2.708-718.1983

Membrane cytochromes of Escherichia coli grown aerobically and anaerobically with nitrate.

N R Hackett, P D Bragg
PMCID: PMC217520  PMID: 6341359

Abstract

Redox titration has been coupled to spectroscopic techniques, enzyme fractionation, and the use of mutants to examine the cytochrome composition of the membranes from cells grown aerobically and anaerobically with nitrate. A combination of techniques was found to be necessary to resolve the cytochromes. At least six b-type cytochromes were present. Besides cytochromes bfdh and bnr, components of the formate dehydrogenase-nitrate reductase pathway, cytochromes b556, b555, b562, and o, characteristic of aerobic respiratory pathways, were present. The midpoint oxidation-reduction potentials of the aerobic b-type cytochromes suggested that the sequence of electron transfer is: cytochrome b556 leads to b555 leads to b562 leads to O2.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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