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Title: A stochastic model for correlated protein motions
Authors: Karain, Wael
Qaraeen, Nael
Ajarmah, Basem
Keywords: Time-series analysis
Principal components analysis
Amino acids
Langevin equations
Issue Date: Feb-2006
Abstract: A one-dimensional Langevin-type stochastic difference equation is used to find the deterministic and Gaussian contributions of time series representing the projections of a Bovine Pancreatic Trypsin Inhibitor (BPTI) protein molecular dynamics simulation along different eigenvector directions determined using principal component analysis. The deterministic part shows a distinct nonlinear behavior only for eigenvectors contributing significantly to the collective protein motion
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