A Role for Both Conformational Selection and Induced Fit in Ligand Binding by the LAO Protein
2011

Understanding How the LAO Protein Binds to Ligands

Sample size: 65 publication Evidence: moderate

Author Information

Author(s): Daniel-Adriano Silva, Gregory R. Bowman, Alejandro Sosa-Peinado, Xuhui Huang, Ruth Nussinov

Primary Institution: The Hong Kong University of Science and Technology

Hypothesis

Can Markov State Models elucidate the binding mechanism of the LAO protein to its ligands?

Conclusion

The study reveals that both conformational selection and induced fit mechanisms play significant roles in the binding of the LAO protein to its ligands.

Supporting Evidence

  • The model predicts the bound state and binding free energy with reasonable accuracy.
  • Both conformational selection and induced fit mechanisms were observed in the binding process.
  • The encounter complex state is crucial for ligand binding.

Takeaway

The LAO protein can grab its partner, a ligand, in two ways: it can change its shape to fit the ligand or it can already be in a shape that allows the ligand to attach easily.

Methodology

The study used Markov State Models built from atomistic simulations to analyze the binding mechanism of the LAO protein.

Limitations

The study primarily focuses on a single protein-ligand system and may not generalize to all proteins.

Digital Object Identifier (DOI)

10.1371/journal.pcbi.1002054

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