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Title: ns-µs time-resolved step-scan FTIR of ba3 oxidoreductase from Thermus thermophilus: Protonic connectivity of w941-w946-w927
Authors: Nicolaides, Antonis 
Soulimane, Tewfik 
Varotsis, Constantinos 
Keywords: Cytochrome ba3;Heme-copper oxidoreductases;Ns time-resolved step-scan FTIR
Category: Chemical Sciences
Field: Natural Sciences
Issue Date: 1-Oct-2016
Publisher: MDPI AG
Source: International Journal of Molecular Sciences, Volume 17, Issue 10, Article number 1657
metadata.dc.doi: 10.3390/ijms17101657
Abstract: Time-resolved step-scan FTIR spectroscopy has been employed to probe the dynamics of the ba3 oxidoreductase from Thermus thermophilus in the ns-µs time range and in the pH/pD 6-9 range. The data revealed a pH/pD sensitivity of the D372 residue and of the ring-A propionate of heme a3. Based on the observed transient changes a model in which the protonic connectivity of w941-w946-927 to the D372 and the ring-A propionate of heme a3 is described.
ISSN: 16616596
Rights: © 2016 by the authors; licensee MDPI, Basel, Switzerland.
Type: Article
Appears in Collections:Άρθρα/Articles

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