Artículo
Kranich, A.; Naumann, H.; Molina-Heredia, F.P.; Moore, H.J.; Lee, T.R.; Lecomte, S.; De La Rosa, M.A.; Hildebrandt, P.; Murgida, D.H. "Gated electron transfer of cytochrome c6 at biomimetic interfaces: a time-resolved SERR study" (2009) Physical Chemistry Chemical Physics. 11(34):7390-7397
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Abstract:
The electron shuttle heme protein Cyt-c6 from the photosynthetic cyanobacterium Nostoc sp. PCC 7119 was immobilized on nanostructured Ag electrodes coated with SAMs that mimic different possible interactions with its natural reaction partner PSI. The structure, redox potential, and electron-transfer dynamics of the SAM-Cyt-c6 complexes were investigated by TR-SERR spectroelectrochemistry. It is shown that the heterogeneous electron-transfer process is gated both in electrostatic and hydrophobic-hydrophilic complexes. At long tunneling distances, the reaction rate is controlled by the tunneling probability, while at shorter distances or higher driving forces, protein dynamics becomes the rate-limiting event. © 2009 the Owner Societies.
Registro:
| Documento: | Artículo |
| Título: | Gated electron transfer of cytochrome c6 at biomimetic interfaces: a time-resolved SERR study |
| Autor: | Kranich, A.; Naumann, H.; Molina-Heredia, F.P.; Moore, H.J.; Lee, T.R.; Lecomte, S.; De La Rosa, M.A.; Hildebrandt, P.; Murgida, D.H. |
| Filiación: | Institut für Chemie, Technische Universität Berlin, Str. des 17, D10623-Berlin, Germany Instituto de Bioquímica Vegetal y Fotosíntesis, Centro de Investigaciones Científicas Isla de la Cartuja, Universidad de Sevilla y Consejo Superior de Investigaciones Científicas, Sevilla, Spain Department of Chemistry, University of Houston, Houston, TX 77204-5003, United States CBMN, CNRS-Université Bordeaux 1 (UMR5248), 2 rue Robert d'Escarpit, F-33607 Pessac, France Departamento de Química Inorgánica, Analítica y Química Física/INQUIMAE-CONICET, Ciudad Universitaria, Pab. 2 piso 1, C1428EHA-Buenos Aires, Argentina |
| Palabras clave: | cytochrome c6; article; binding site; biological model; biomimetics; chemistry; electron; enzymology; genetics; kinetics; mutation; Nostoc; Raman spectrometry; surface property; Binding Sites; Biomimetics; Cytochromes c6; Electrons; Kinetics; Models, Biological; Mutation; Nostoc; Spectrum Analysis, Raman; Surface Properties |
| Año: | 2009 |
| Volumen: | 11 |
| Número: | 34 |
| Página de inicio: | 7390 |
| Página de fin: | 7397 |
| DOI: | http://dx.doi.org/10.1039/b904434e |
| Título revista: | Physical Chemistry Chemical Physics |
| Título revista abreviado: | Phys. Chem. Chem. Phys. |
| ISSN: | 14639076 |
| CODEN: | PPCPF |
| CAS: | Cytochromes c6 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14639076_v11_n34_p7390_Kranich |
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Citas:
---------- APA ----------
Kranich, A., Naumann, H., Molina-Heredia, F.P., Moore, H.J., Lee, T.R., Lecomte, S., De La Rosa, M.A.,..., Murgida, D.H. (2009) . Gated electron transfer of cytochrome c6 at biomimetic interfaces: a time-resolved SERR study. Physical Chemistry Chemical Physics, 11(34), 7390-7397.http://dx.doi.org/10.1039/b904434e
---------- CHICAGO ----------
Kranich, A., Naumann, H., Molina-Heredia, F.P., Moore, H.J., Lee, T.R., Lecomte, S., et al. "Gated electron transfer of cytochrome c6 at biomimetic interfaces: a time-resolved SERR study" . Physical Chemistry Chemical Physics 11, no. 34 (2009) : 7390-7397.http://dx.doi.org/10.1039/b904434e
---------- MLA ----------
Kranich, A., Naumann, H., Molina-Heredia, F.P., Moore, H.J., Lee, T.R., Lecomte, S., et al. "Gated electron transfer of cytochrome c6 at biomimetic interfaces: a time-resolved SERR study" . Physical Chemistry Chemical Physics, vol. 11, no. 34, 2009, pp. 7390-7397.http://dx.doi.org/10.1039/b904434e
---------- VANCOUVER ----------
Kranich, A., Naumann, H., Molina-Heredia, F.P., Moore, H.J., Lee, T.R., Lecomte, S., et al. Gated electron transfer of cytochrome c6 at biomimetic interfaces: a time-resolved SERR study. Phys. Chem. Chem. Phys. 2009;11(34):7390-7397.http://dx.doi.org/10.1039/b904434e
