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Reactivity of the co-type and baa 3-type cytochrome c oxidases from Pseudomonas aeruginosa with different endogenous cytochromes c


The reactivity between different cytochromes c purified from Pseudomonas aeruginosa cells grown aerobically in the absence of nitrate and isolated cytochromes co and baa 3 was determined. The P. aeruginosa cytochrome co reacted most rapidly with the membrane-bound cytochrome c-551 among three c-type cytochromes analyzed, whereas the cytochrome baa 3 reacted best with the membrane-bound cytochrome c-555. The results indicated that two terminal electron transfer systems are present in aerobic P. aeruginosa: one contains the cytochrome c-551 and cytochrome co, and the other contains the cytochrome c-555 and cytochrome baa 3.

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Okamoto, A., Fujiwara, T., Fukumori, Y. et al. Reactivity of the co-type and baa 3-type cytochrome c oxidases from Pseudomonas aeruginosa with different endogenous cytochromes c . Current Microbiology 30, 123–126 (1995).

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  • Nitrate
  • Electron Transfer
  • Pseudomonas
  • Pseudomonas Aeruginosa
  • Transfer System