Cytochrome components of green alga, Bryopsis maxima

Five soluble cytochromes were isolated and were partially purified from Bryopsis maxima: Cytochrome b-562 is slightly autoxidizable and has a midpoint redox potential of +175 mV at pH 7.0. Its molecular weight is close to 30,000 as estimated by dextran gel filtration. Cytochrome b-555 is autoxidizab...

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Bibliographic Details
Published in:Plant and cell physiology 1977-01, Vol.18 (2), p.317-324
Main Authors: Kamimura, Yasumaro, Yamasaki, Takenobu, Matsuzaki, Etsuzo
Format: Article
Language:English
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Summary:Five soluble cytochromes were isolated and were partially purified from Bryopsis maxima: Cytochrome b-562 is slightly autoxidizable and has a midpoint redox potential of +175 mV at pH 7.0. Its molecular weight is close to 30,000 as estimated by dextran gel filtration. Cytochrome b-555 is autoxidizable and can be reduced by dithionite but not by ascorbate. Cytochrome c-549 is a basic protein. It is slightly autoxidizable and reducible with either ascorbate or dithionite. Cytochrome c-549(LP) is autoxidizable and reducible with dithionite but not with ascorbate. The reduced cytochrome combines with carbon monoxide. Cytochrome c-553 is the f-type one, which was reported by Sugimura et al. (1968).
ISSN:0032-0781
1471-9053
DOI:10.1093/oxfordjournals.pcp.a075437