Rates of amino acid changes in fibrinopeptides, hemoglobin, and cytochrome c ... tantalizing findings was the observation that protein sequence change seemed to occur at a rate proportional ...

The Evolution of Hemoglobin "One can reconstruct this evolution by comparing the sequence of amino acid units in the several molecular chains of human hemoglobin and in hemoglobin chains from ...

Rates of amino acid changes in fibrinopeptides, hemoglobin, and cytochrome c ... tantalizing findings was the observation that protein sequence change seemed to occur at a rate proportional ...

Proteins are composed of one or more chains of amino acids, which are linked together by peptide bonds and folded into specific three-dimensional structures. Proteins have four levels of structure: ...