Rates of amino acid changes in fibrinopeptides, hemoglobin, and cytochrome c. The three proteins show ... findings was the observation that protein sequence change seemed to occur at a rate ...
Indeed, in the human ... of cytochrome c and the rates of molecular evolution. Journal of Molecular Evolution 1, 26-45 (1971). Doolittle, R. F. & Blombäck, B. Amino-acid sequence investigations ...