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Nuclear Hyperfine and Quadrupole Tensor Characterization of the Nitrogen Hydrogen Bond Donors to the Semiquinone of the Q(B) Site in Bacterial Reaction Centers: A Combined X- and S-Band (14,15)N ESEEM and DFT Study
[Image: see text] The secondary quinone anion radical Q(B)(–) (SQ(B)) in reaction centers of Rhodobacter sphaeroides interacts with N(δ) of His-L190 and N(p) (peptide nitrogen) of Gly-L225 involved in hydrogen bonds to the Q(B) carbonyls. In this work, S-band (∼3.6 GHz) ESEEM was used with the aim o...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
American Chemical
Society
2014
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3983398/ https://www.ncbi.nlm.nih.gov/pubmed/24437652 http://dx.doi.org/10.1021/jp411023k |