Fulvio Perini , Martin D. Kamen , Jerome A. Schiff
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引用次数: 80
Abstract
Iron-containing proteins present in Euglena have been examined. The properties of pure samples of two of these—cytochrome c (552, Euglena) and cytochrome c-type (558, Euglena)-have been determined in some detail. These include spectrochemical characteristics, reactivity, stability, amino acid composition, isoelectric point, midpoint potential and nature of haem prosthetic group, in addition to molecular weight and haem content. A third haem protein, particle bound, and associated with the chloroplast fraction, is characterized as a cytochrome b6. Evidence for the existence of an a-type cytochrome and ferrodoxin is also presented.
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