Redox-Induced Structural Dynamics of Fe-Heme Ligand in Myoglobin by X-Ray Absorption Spectroscopy

The Fe(III) → Fe(II) reduction of the heme iron in aquomet-myoglobin, induced by x-rays at cryogenics temperatures, produces a thermally trapped nonequilibrium state in which a water molecule is still bound to the iron. Water dissociates at T > 160 K, when the protein can relax toward its new equ...

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Autores principales: Della Longa, S., Arcovito, A., Benfatto, M., Congiu-Castellano, A., Girasole, M., Hazemann, J. L., Lo Bosco, A.
Formato: Artigo
Lenguaje:Inglês
Publicado: Biophysical Society 2003
Materias:
Spectroscopy, Imaging, Other Techniques
Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC1303110/
https://ncbi.nlm.nih.gov/pubmed/12829509
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