Pathway of proton transfer in bacterial reaction centers: second-site mutation Asn-M44-->Asp restores electron and proton transfer in reaction centers from the photosynthetically deficient Asp-L213-->Asn mutant of Rhodobacter sphaeroides.

Site-directed mutagenesis of the photosynthetic reaction center (RC) from Rhodobacter sphaeroides has shown Asp-213 of the L subunit (Asp-L213) to be important for photosynthetic viability. Replacement of Asp-L213 with Asn resulted in a photosynthetically deficient mutant, due to the 10(4)-fold slow...

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Main Authors: Rongey, S H, Paddock, M L, Feher, G, Okamura, M Y
Formato: Artigo
Idioma:Inglês
Publicado em: 1993
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Research Article
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC45865/
https://ncbi.nlm.nih.gov/pubmed/8381964
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