Abstract
THE phycoerythrins are photosynthetically active chromoproteins of algae1. We have performed N-terminal amino-acid analyses on spectrally different phycoerythrins from Ceramium rubrum (R-phycoerythrin, absorption maxima at 497, 542 and 568 mµ); from Rhodochorton floridulum (B-phycoerythrin, λmax 544 and 566 mµ), and from Phormidium persicinum (C-phycoerythrin, λmax 562 mµ). All three plants are marine algae, Ceramium and Rhodochorton being Rhodophyta, and Phormidium a member of the Cyanophyta.
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References
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This result supersedes an earlier, preliminary report by Raftery and Ó hEocha, quoted by Ó hEocha, C., in Comparative Biochemistry of Photoreactive Systems, 181 (Academic Press, New York, 1960).
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CARRA, P., HEOCHA, C. Methionine, the N-Terminal Amino-Acid of Phycoerythrins. Nature 195, 173–174 (1962). https://doi.org/10.1038/195173b0
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DOI: https://doi.org/10.1038/195173b0
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