Fungi - Candida albicans - Research News, Data, Publications & Aproaches - ERG11 Mutations - Telomeres - Sub-Telomeric Structures - Chromatin Landscape - Nuclear Biology & Nuclear Chemistry Aproaches - The Chemical Ecology of the Nuclear Space: Redox Dynamics, Heme Chemistry, and the Molecular Governance of ERG11 - Non-Elaborate Posts - Post 8

 

 From a molecular biophysical perspective, ERG11’s lanosterol demethylase enzyme is a redox-active catalyst embedded in a structurally sensitive network. Its heme center alternates between ferric and ferrous states during catalysis, and this redox cycling is influenced by nuclear heme availability. Azole drugs coordinate the heme iron through the nitrogen of their triazole ring, forming a thermodynamically stable Fe–N complex that impedes oxygen activation. However, mutations near the heme pocket (e.g., Y132F) modulate redox potential, partially restoring oxygen binding. These atomic rearrangements exemplify nuclear-level adaptation: changes in heme–protein energetics resonate upward to affect transcriptional regulation, metabolic balance, and redox homeostasis — a multi-scalar cascade from chemistry to physiology

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Fungi - Candida auris - Non-Elaborate Posts - Post 2

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