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The amino acid sequences of the cytochromes c553 from Porphyridium cruentum and Aphanizomenon flos-aquae |
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| Authors: | James R. Sprinkle Mark Hermodson David W. Krogmann |
| Affiliation: | (1) Department of Biochemistry, Purdue University, 47907 West Lafayette, IN, USA |
| Abstract: | The amino acid sequences of cytochrome c553 from the eukaryotic red alga Porphyridium cruentum and from the prokaryotic cyanobacterium Aphanizomenon flos-aquae have been determined from the tryptic and cyanogen bromide peptides. The results indicate that a charged region of these proteins has evolved with special rapidity to accomodate a rapid evolution of a binding site in the P700 electron acceptor complex. |
| Keywords: | cytochrome c553 amino acid sequence Porphyridium cruentum Aphanizomenon flos-aquae red algae cyanobacteria blue-green algae |
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