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ns-µs Time-Resolved Step-Scan FTIR of ba3 Oxidoreductase from Thermus thermophilus: Protonic Connectivity of w941-w946-w927.
Nicolaides, Antonis; Soulimane, Tewfik; Varotsis, Constantinos.
Afiliação
  • Nicolaides A; Department of Environmental Science and Technology, Cyprus University of Technology, P.O. Box 50329, 3603 Lemesos, Cyprus. ag.nicolaides@edu.cut.ac.cy.
  • Soulimane T; Chemical and Environmental Science Department and Materials & Surface Science Institute, University of Limerick, V94 T9PX Limerick, Ireland. tewfik.soulimane@ul.ie.
  • Varotsis C; Department of Environmental Science and Technology, Cyprus University of Technology, P.O. Box 50329, 3603 Lemesos, Cyprus. c.varotsis@cut.ac.cy.
Int J Mol Sci ; 17(10)2016 Sep 29.
Article em En | MEDLINE | ID: mdl-27690021
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.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article
Texto completo
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XML
PubMed Links
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article