Very Low-Frequency Broadband Electron Paramagnetic Resonance Spectroscopy of Metalloproteins
Wilfred R. Hagen
Abstract
, g-strain combines with intramolecular dipolar interaction over the full-studied frequency range of 0.23-12.0 GHz. It is concluded that the point-dipole approach is inappropriate to describe magnetic interactions between low-spin ferric heme systems and that a body of literature on redox interactions in multi-heme proteins will be affected by this conclusion.
Topics & Concepts
Electron paramagnetic resonanceHemeChemistryHemeproteinIntramolecular forceNuclear magnetic resonanceResonance (particle physics)SpectroscopyPulsed EPRFerricElectron nuclear double resonanceMyoglobinAnalytical Chemistry (journal)Spin echoAtomic physicsInorganic chemistryStereochemistryPhysicsOrganic chemistryMagnetic resonance imagingEnzymeRadiologyQuantum mechanicsMedicineElectron Spin Resonance StudiesPhotosynthetic Processes and MechanismsHemoglobin structure and function