ArticleBiophysical journal2007
Violation of the fluctuation-dissipation theorem in a protein system.
Article in Biophysical journal, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 32 citations in OpenAlex.
- Identification and quantification of irreversibility in stochastic systems.Physical chemistry chemical physics : PCCP · 2026Review
- Restoring the Fluctuation-Dissipation Theorem in Kardar-Parisi-Zhang Universality Class through a New Emergent Fractal Dimension.Entropy (Basel, Switzerland) · 2024Article
- Coarse-Grained Protein Dynamics Studies Using Elastic Network Models.International journal of molecular sciences · 2018Review
- Myosin-V as a mechanical sensor: an elastic network study.Biophysical journal · 2012Article
- Article
- Nonlinearity of mechanochemical motions in motor proteins.PLoS computational biology · 2010Article
- Unidirectional Brownian motion observed in an in silico single molecule experiment of an actomyosin motor.Proceedings of the National Academy of Sciences of the United States of America · 2010Article
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
We report the results of molecular dynamics simulations of the protein myosin carried out with an elastic network model. Quenching the system, we observe glassy behavior of a density correlation function and a density response function that are often investigated in structure glasses and spin glasses. In the equilibrium, the fluctuation-response relation, a representative relation of the fluctuation-dissipation theorem, holds that the ratio of the density correlation function to the density response function is equal to the temperature of the environment. We show that, in the quenched system that we study, this relation can be violated. In the case that this relation does not hold, this ratio can be regarded as an effective temperature. We find that this effective temperature of myosin is higher than the temperature of the environment. We discuss the relation between this effective temperature and energy transduction that occurs after ATP hydrolysis in the myosin molecule.
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Registered trials
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