Two molecules of cytochrome c function as the electron donors to P840 in the reaction center complex isolated from a green sulfur bacterium, Chlorobium tepidum.

@article{Ohoka1995TwoMO,
  title={Two molecules of cytochrome c function as the electron donors to P840 in the reaction center complex isolated from a green sulfur bacterium, Chlorobium tepidum.},
  author={Hirozo Oh-oka and Satomi Kamei and Hiroshi Matsubara and Masayo Iwaki and Shigeru Itoh},
  journal={FEBS letters},
  year={1995},
  volume={365 1},
  pages={30-4}
}
A photoactive reaction center complex was isolated from a thermophilic green sulfur bacterium, Chlorobium tepidum under anaerobic conditions. The electron transfer occurred from heme c to the photo-oxidized reaction center chlorophyll, P840+, with a half time (t1/2) of 110 or 340 microseconds at 24 or 12 degrees C, respectively. Optical measurements under multiflash excitations indicated that two hemes function as the immediate electron donors to P840+. SDS-PAGE analysis of the RC complex in… CONTINUE READING

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