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Higher Plant Cytochrome c

Abstract

Zuckerkandl and Pauling1 have pointed out the potential value of proteins as documents of evolutionary history for the species from which they have been extracted, and various aspects of the structure of proteins have been used for this purpose. These include serological cross-reactivity, amino-acid composition, peptide maps, electrophoretic mobility, catalytic activity and chromatographic characteristics2. It is generally agreed, however, that the greatest insights in this area are liable to come from comparisons of the primary structure of proteins, that is by partial or complete amino-acid sequence determination, for only these comparisons are likely to indicate accurately enough the mutation distance between the homologous genes involved.

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BOULTER, D., THOMPSON, E., RAMSHAW, J. et al. Higher Plant Cytochrome c. Nature 228, 552–554 (1970). https://doi.org/10.1038/228552a0

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