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Structural and functional insights into the conductive pili of Geobacter sulfurreducens revealed in molecular dynamics simulations.
Phys Chem Chem Phys
September 2015
Departamento de Físico-Química, Instituto de Quimica, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Nanobionics Group, Sao Paulo, Araraquara, Brazil.
Geobacter sulfurreducens (GS) electronically connects with extracellular electron acceptors using conductive protein filaments or pili. To gain insights into their role as biological nanowires, we investigated the structural dynamics of the GS pilus in solution via molecular dynamics simulations. In the model, all of the pilin's aromatics clustered as a right-handed helical band along the pilus, maintaining inter-aromatic distances and dimer configurations optimal for multistep hopping.
View Article and Find Full Text PDFInter-aromatic distances in Geobacter sulfurreducens pili relevant to biofilm charge transport.
Adv Mater
March 2015
Department of Chemistry and Biochemistry, Center for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, CA, 93106, USA.
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