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New Light on NO Bonding in Fe(III) Heme Proteins from Resonance Raman Spectroscopy and DFT Modeling

Visible and ultraviolet resonance Raman (RR) spectra are reported for Fe(III)(NO) adducts of myoglobin variants with altered polarity in the distal heme pockets. The stretching frequencies of the Fe(III)–NO and N–O bonds, ν(FeN) and ν(NO), are negatively correlated, consistent with backbonding. Howe...

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Autori principali: Soldatova, Alexandra V., Ibrahim, Mohammed, Olson, John S., Czernuszewicz, Roman S., Spiro, Thomas G.
Natura: Artigo
Lingua:Inglês
Pubblicazione: 2010
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC2853766/
https://ncbi.nlm.nih.gov/pubmed/20218710
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ja906233m
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