Frequency-resolved communication maps for proteins and other nanoscale materials

Area of Science:

• Biophysics
• Computational Biology
• Materials Science

Background:

• Proteins display anisotropic energy flow, prompting interest in signaling pathways.
• Understanding these pathways is key to elucidating protein functions like allostery.

Purpose of the Study:

• To develop a method for computing frequency-resolved local energy diffusivities.
• To map vibrational energy transport channels within proteins.

Main Methods:

• Calculating frequency-resolved local energy diffusivities.
• Mapping protein residue communication as a function of vibrational mode frequencies.
• Identifying networks of vibrational energy transport channels at specific frequencies.

Main Results:

• Demonstrated a method to map energy communication within proteins.
• Illustrated frequency-dependent communication variations using myoglobin as a model.
• Showcased the identification of vibrational energy transport networks.

Conclusions:

• The developed approach effectively maps frequency-sensitive energy transport in proteins.
• This method can be applied to study nanoscale signaling in diverse materials.
• Provides a tool for understanding vibrational communication critical for protein function.