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On the Track of Long-Range Electron Transfer in B-Type Dye-Decolorizing Peroxidases: Identification of a Tyrosyl Radical by Computational Prediction and Electron Paramagnetic Resonance Spectroscopy

Kevin Nys, Paul G. Furtmüller, Christian Obinger, Sabine Van Doorslaer, Vera Pfanzagl

2021Biochemistry22 citationsDOIOpen Access PDF

Abstract

DyP, which are unique to enterobacterial B-type DyPs. Y247 is connected to Y92 by a hydrogen bonding network, is solvent accessible in simulations, and is involved in ABTS oxidation. This suggests the existence of long-range electron path(s) in B-type DyPs. The mechanistic and physiological relevance of the reaction mechanism of B-type DyPs is discussed.

Topics & Concepts

ChemistryElectron paramagnetic resonanceElectron transferPhotochemistryRadicalPeroxidaseHemeCatalysisNuclear magnetic resonanceOrganic chemistryEnzymePhysicsElectron Spin Resonance StudiesPhotoreceptor and optogenetics researchPhotochemistry and Electron Transfer Studies
On the Track of Long-Range Electron Transfer in B-Type Dye-Decolorizing Peroxidases: Identification of a Tyrosyl Radical by Computational Prediction and Electron Paramagnetic Resonance Spectroscopy | Litcius