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Modified Phycoerythrin from Porphyridium cruentum treated with p-Chloro-mercuri-benzoate

Nature volume 204, pages 1091–1093 (1964)Cite this article

Abstract

PHYCOERYTHRIN, one of the biliproteins in red algae, which plays a part in photosynthesis, exhibits various absorption bands in the visible absorption spectrum1,2. Recent investigations have shown that these bands are independent of each other. Among three absorption bands at 500, 545 and 565 mµ of phycoerythrin from Ceramium rubrum, the two bands at 500 and 545 mµ disappear on reduction with sodium hydrosulphite3. O'hEocha and O'Carra presented evidence that the 500 mµ band behaves independently of the other two4. Furthermore, the 565 mµ band disappears on the addition of p-chloro-mercuribenzoate (PCMB) to phycoerythrin isolated from Ceramium rubrum3 and Porphyridium cruentum5. These results indicate the existence of different chromophores absorbing at different wave-lengths.

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Authors and Affiliations

  1. Photobiology Section, Energetics Branch, Space Physics Laboratory, Air Force Cambridge Research Laboratories, Bedford, Mass.

    EIJI FUJIMORI

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  1. EIJI FUJIMORI
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FUJIMORI, E. Modified Phycoerythrin from Porphyridium cruentum treated with p-Chloro-mercuri-benzoate. Nature 204, 1091–1093 (1964). https://doi.org/10.1038/2041091a0

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