The soluble c-type cytochromes from the bacterium Aquaspirillum itersonii. The complete amino acid sequence of the cytochrome c-550 |
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Authors: | K J Woolley |
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Abstract: | A complete amino acid sequence is proposed for the cytochrome c-550 isolated from the gram-negative chemo-organotrophic bacterium Aquaspirillum itersonii. The sequence, a single polypeptide chain of 111 residues, was deduced from the sequences of peptides obtained by tryptic, thermolytic or chymotryptic digestion. The cytochrome shows a high degree of sequence homology with the cytochrome c2 from the photosynthetic bacterium Rhodospirillum rubrum, and the evolutionary implications of this are considered. |
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