Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
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Posttranslational biosynthesis of the protein-derived cofactor tryptophan tryptophylquinoneCarboxyl Group of Glu113 Is Required for Stabilization of the Diferrous and Bis-Fe IV States of MauGSite-Directed Mutagenesis of Gln103 Reveals the Influence of This Residue on the Redox Properties and Stability of MauGA T67A mutation in the proximal pocket of the high-spin heme of MauG stabilizes formation of a mixed-valent FeII/FeIII state and enhances charge resonance stabilization of the bis-FeIV state.Roles of multiple-proton transfer pathways and proton-coupled electron transfer in the reactivity of the bis-FeIV state of MauG.Tuning of Hemes b Equilibrium Redox Potential Is Not Required for Cross-Membrane Electron Transfer.Converting the bis-FeIV state of the diheme enzyme MauG to Compound I decreases the reorganization energy for electron transferTryptophan-mediated charge-resonance stabilization in the bis-Fe(IV) redox state of MauG.Mechanism of protein oxidative damage that is coupled to long-range electron transfer to high-valent haems.MauG, a diheme enzyme that catalyzes tryptophan tryptophylquinone biosynthesis by remote catalysis.Bis-Fe(IV): nature's sniper for long-range oxidation.Effects of the loss of the axial tyrosine ligand of the low-spin heme of MauG on its physical properties and reactivity.Fractional transfer of a free unpaired electron to overcome energy barriers in the formation of Fe(4+) from Fe(3+) during the core contraction of macrocycles: implication for heme distortion.A Suicide Mutation Affecting Proton Transfers to High-Valent Hemes Causes Inactivation of MauG during Catalysis.Ascorbate protects the diheme enzyme, MauG, against self-inflicted oxidative damage by an unusual antioxidant mechanism.Properties of the high-spin heme of MauG are altered by binding of preMADH at the protein surface 40 Å away.
P2860
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P2860
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
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2012年の論文
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2012年学术文章
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2012年学术文章
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2012年学术文章
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name
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@ast
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@en
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@en-gb
type
label
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@ast
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@en
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@en-gb
prefLabel
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@ast
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@en
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@en-gb
P2093
P2860
P1476
Geometric and electronic structures of the His-Fe(IV)=O and His-Fe(IV)-Tyr hemes of MauG.
@en
P2093
Britt Hedman
Lyndal M R Jensen
Ritimukta Sarangi
Thomas L Poulos
Yergalem T Meharenna
P2860
P2888
P304
P356
10.1007/S00775-012-0939-3
P577
2012-09-30T00:00:00Z