Effect of osteogenesis imperfecta mutations on free energy of collagen model peptides: a molecular dynamics simulation.

Abstract excerpt

We have carried out stochastic boundary molecular dynamics simulations to estimate free energy changes for substitutions of Gly with Val, Arg and Trp residues in a collagen-like peptide. The relative free energy change differences of mutants containing a Val, an Arg and a Trp relative to the wild type are 5.7, 8.1 and 9.5 kcal/mol, respectively. The corresponding free energy change differences of mutants...

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