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.
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Sprinkle, J.R., Hermodson, M. & Krogmann, D.W. The amino acid sequences of the cytochromes c553 from Porphyridium cruentum and Aphanizomenon flos-aquae . Photosynth Res 10, 63–73 (1986). https://doi.org/10.1007/BF00024186
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DOI: https://doi.org/10.1007/BF00024186