Artículo

Alvarez-Paggi, D.; Zitare, U.A.; Szuster, J.; Morgada, M.N.; Leguto, A.J.; Vila, A.J.; Murgida, D.H. "Tuning of Enthalpic/Entropic Parameters of a Protein Redox Center through Manipulation of the Electronic Partition Function" (2017) Journal of the American Chemical Society. 139(29):9803-9806
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Abstract:

Manipulation of the partition function (Q) of the redox center CuA from cytochrome c oxidase is attained by tuning the accessibility of a low lying alternative electronic ground state and by perturbation of the electrostatic potential through point mutations, loop engineering and pH variation. We report clear correlations of the entropic and enthalpic contributions to redox potentials with Q and with the identity and hydrophobicity of the weak axial ligand, respectively. © 2017 American Chemical Society.

Registro:

Documento: Artículo
Título:Tuning of Enthalpic/Entropic Parameters of a Protein Redox Center through Manipulation of the Electronic Partition Function
Autor:Alvarez-Paggi, D.; Zitare, U.A.; Szuster, J.; Morgada, M.N.; Leguto, A.J.; Vila, A.J.; Murgida, D.H.
Filiación:Instituto de Química Física de Los Materiales, Medio Ambiente y Energía, Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, CONICET, Buenos Aires, 1428, Argentina
Instituto de Biología Molecular y Celular de Rosario (IBR), Departamento de Química Biológica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, CONICET, Rosario, 2000, Argentina
Instituto de Investigaciones Bioquimicas de Buenos Aires, FILCONICET, Argentina
Palabras clave:Ground state; Redox reactions; Axial ligand; Cytochrome c oxidase; Electronic ground state; Electrostatic potentials; Partition functions; Point mutations; Redox centers; Redox potentials; Tuning; Article; conformational transition; electric activity; enthalpy; entropy; hydrophobicity; oxidation reduction potential; oxidation reduction state; partition coefficient; pH; quantum mechanics; temperature dependence; thermodynamics; chemical phenomena; chemistry; electron; entropy; metabolism; oxidation reduction reaction; static electricity; thermodynamics; copper; cytochrome c oxidase; ligand; Copper; Electron Transport Complex IV; Electrons; Entropy; Hydrogen-Ion Concentration; Hydrophobic and Hydrophilic Interactions; Ligands; Oxidation-Reduction; Static Electricity; Thermodynamics
Año:2017
Volumen:139
Número:29
Página de inicio:9803
Página de fin:9806
DOI: http://dx.doi.org/10.1021/jacs.7b05199
Título revista:Journal of the American Chemical Society
Título revista abreviado:J. Am. Chem. Soc.
ISSN:00027863
CODEN:JACSA
CAS:copper, 15158-11-9, 7440-50-8; cytochrome c oxidase, 72841-18-0, 9001-16-5; Copper; Electron Transport Complex IV; Ligands
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00027863_v139_n29_p9803_AlvarezPaggi

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Citas:

---------- APA ----------
Alvarez-Paggi, D., Zitare, U.A., Szuster, J., Morgada, M.N., Leguto, A.J., Vila, A.J. & Murgida, D.H. (2017) . Tuning of Enthalpic/Entropic Parameters of a Protein Redox Center through Manipulation of the Electronic Partition Function. Journal of the American Chemical Society, 139(29), 9803-9806.
http://dx.doi.org/10.1021/jacs.7b05199
---------- CHICAGO ----------
Alvarez-Paggi, D., Zitare, U.A., Szuster, J., Morgada, M.N., Leguto, A.J., Vila, A.J., et al. "Tuning of Enthalpic/Entropic Parameters of a Protein Redox Center through Manipulation of the Electronic Partition Function" . Journal of the American Chemical Society 139, no. 29 (2017) : 9803-9806.
http://dx.doi.org/10.1021/jacs.7b05199
---------- MLA ----------
Alvarez-Paggi, D., Zitare, U.A., Szuster, J., Morgada, M.N., Leguto, A.J., Vila, A.J., et al. "Tuning of Enthalpic/Entropic Parameters of a Protein Redox Center through Manipulation of the Electronic Partition Function" . Journal of the American Chemical Society, vol. 139, no. 29, 2017, pp. 9803-9806.
http://dx.doi.org/10.1021/jacs.7b05199
---------- VANCOUVER ----------
Alvarez-Paggi, D., Zitare, U.A., Szuster, J., Morgada, M.N., Leguto, A.J., Vila, A.J., et al. Tuning of Enthalpic/Entropic Parameters of a Protein Redox Center through Manipulation of the Electronic Partition Function. J. Am. Chem. Soc. 2017;139(29):9803-9806.
http://dx.doi.org/10.1021/jacs.7b05199