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<p>Owing to the dramatic elasticity of elastin mimetic peptides, attention is accumulating to the molecular properties of the elastic polymers. This work reports on the molecular characterization of elastic deformation in an elastin mimetic peptide [LGGVG]₃ via molecular dynamics simulation. The elastic deformation process is captured by pulling, holding and releasing the peptide. The molecular properties of the released peptide from being pulled are observed almost identical to that of the relaxed peptide, and this indicates the excellent elasticity of the elastic biopolymer. From the results, it is suggested that the scheme implemented in this work could be used in studies of other elastic polymers.</p><p>DOI: <a href="http://dx.doi.org/10.5755/j01.ms.24.3.18432">http://dx.doi.org/10.5755/j01.ms.24.3.18432</a></p>