The Evolution of Iron-Sulfur Protein Containing Organisms

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Abstract
Yasunobu, K. T., and M. Tanaka (Dept. of Biochemistry-Biophysics, University of Hawaii, Honolulu, Hawaii 96822) 1974. The Evolution of Iron-Sulfur Protein Containing Organisms. Syst. Zool. 22:570–589.—Iron-sulfur proteins are found in bacteria, photosynthetic bacteria, algae, plants and animals. Included in the group of iron-sulfur proteins are the ferredoxins, rubredoxins, adrenodoxin, putidaredoxin and High Potential Iron Protein. About nineteen different iron-sulfur proteins have been sequenced. The sequence data has been used to extract genetic and phylogenetic data about the organisms which contain the iron-sulfur proteins. It was concluded that the ferredoxins all have arisen from a common ancestor. The rubredoxin, adrenodoxin, putidaredoxin, and High Potential Iron Protein genomes have evolved separately. The adrenodoxin and putidaredoxin genomes have arisen from the same ancestral gene but have undergone divergent evolution and have different biological activities.

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