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ENDOR Spectroscopy Reveals A Light Induced Movement of the H-Bond from Ser-L223 Upon Forming the Semiquinone (Q(B)(−•)) in Reaction Centers from Rhodobacter sphaeroides

Proton ENDOR spectroscopy was used to monitor local conformational changes in bacterial reaction centers (RC) associated with the electron transfer reaction DQ(B) → D(+•)Q(B)(−•) using mutant RCs capable of photo-reducing Q(B) at cryogenic temperatures. The charge separated state D(+•)Q(B)(−•) was s...

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Detalhes bibliográficos
Main Authors: Paddock, M. L., Flores, M., Isaacson, R., Chang, C., Abresch, E. C., Okamura, M.Y.
Formato: Artigo
Idioma:Inglês
Publicado em: 2007
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC2597558/
https://ncbi.nlm.nih.gov/pubmed/17590017
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/bi7005256
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