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  • Title: Investigating the folding mechanism of the N-terminal domain of ribosomal protein L9.
    Author: Zhang H, Zhang H, Chen C.
    Journal: Proteins; 2021 Jul; 89(7):832-844. PubMed ID: 33576138.
    Abstract:
    Protein folding is a popular topic in the life science. However, due to the limited sampling ability of experiments and simulations, the general folding mechanism is not yet clear to us. In this work, we study the folding of the N-terminal domain of ribosomal protein L9 (NTL9) in detail by a mixing replica exchange molecular dynamics method. The simulation results are close to previous experimental observations. According to the Markov state model, the folding of the protein follows a nucleation-condensation path. Moreover, after the comparison to its 39-residue β-α-β motif, we find that the helix at the C-terminal has a great influence on the folding process of the intact protein, including the nucleation of the key residues in the transition state ensemble and the packing of the hydrophobic residues in the native state.
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