2016
DOI: 10.1002/cbdv.201600062
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On Dioxygen Permeation of MaL Laccase from the Thermophilic Fungus Melanocarpus albomyces: An all‐Atom Molecular Dynamics Investigation

Abstract: In this article, biased molecular dynamics (MD) simulations of O egress from the active center of MaL laccase toward the bulk solvent were described. Parameterization of the set of four Cu(II) ions, in the framework of CHARMM-36 FF, was carried out on a recent dummy-atom model that takes into account the Jahn-Teller effect. By carrying out a number of statistically relevant MD simulations, under a tiny randomly oriented external force applied to the molecule O , three preferred gates for O egress from the enzy… Show more

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Cited by 2 publications
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“…The structural conformation of laccases includes three types of copper ions distributed across two sites, forming a triangular matrix based on their spectroscopic properties [15,16]. The active center site consists of a mononuclear type 1 copper (CuT1) and a trinuclear copper site (TNC) that includes one type-2 copper (CuT2) and two type-3 coppers (CuT3a and CuT3b) (Figure 1) [4,[17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…The structural conformation of laccases includes three types of copper ions distributed across two sites, forming a triangular matrix based on their spectroscopic properties [15,16]. The active center site consists of a mononuclear type 1 copper (CuT1) and a trinuclear copper site (TNC) that includes one type-2 copper (CuT2) and two type-3 coppers (CuT3a and CuT3b) (Figure 1) [4,[17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…Según las características espectroscópicas de las lacasas, generalmente tienen una conformación estructural con tres tipos de cobres, , distribuidos en un sitio mononuclear que contiene un cobre tipo 1 (CuT1) y un sitio de cobre trinuclear (centro de cobre trinuclear -TNC) que contiene un cobre tipo 2 (CuT2) y dos cobres tipo 3 (CuT3a y CuT3b), (Komori and Higuchi, 2010;, formando una matriz triangular Pietra, 2016). El CuT1 y el TNC están distanciados 13 Å aproximadamente y se conectan mediante una triada His-Cys-His a los dos cobres T3 .…”
Section: Introductionunclassified