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Hinsen, K ; Petrescu, AJ ; Dellerue, S ; Bellissent-Funel, MC ; Kneller, GR

Liquid-like and solid-like motions in proteins

Journal of Molecular Liquids 98-99, 381-398

par Administrateur - publié le , mis à jour le

Abstract :

Recent analyses of molecular dynamics simulations of hydrated C-phycocyanin suggest that the internal single-particle dynamics of this protein can be decomposed into four almost decoupled motion types : (1) diffusion of residues ("beads") in an effective harmonic potential, (2) corresponding vibrations in a local potential well, (3) purely rotational rigid side-chain diffusion, and (4) residue deformations, Each residue bead is represented by the corresponding C-alpha carbon atom on the main chain.