Two-dimensional correlation spectroscopy in protein science, a summary for past 20years

Area of Science:

• Spectroscopy
• Biophysics
• Protein Science

Background:

• Two-dimensional correlation spectroscopy (2DCOS) is a versatile technique applied across various spectroscopic methods.
• Recent advancements include 2D hetero-correlation, moving-window 2D (MW2D), and model-based analyses (βν, kν).

Purpose of the Study:

• To provide a comprehensive overview of 2DCOS applications in protein science over the past two decades.
• To commemorate the significant contributions of Dr. Boguslawa Czarnik-Matusewicz to the field.
• To highlight novel developments and future perspectives of 2DCOS in protein research.

Main Methods:

• Application of 2DCOS to Infrared, Raman, Near IR, Optical Activity (ROA), Vibrational Circular Dichroism (VCD), and Fluorescence spectroscopy.
• Integration of advanced 2DCOS techniques like hetero-correlation and MW2D analysis.
• Utilizing 2DCOS for investigating protein secondary structure, denaturation, and folding/unfolding dynamics.

Main Results:

• 2DCOS has proven instrumental in elucidating protein structural changes and dynamics.
• Combined analytical techniques with 2DCOS enhance the understanding of complex protein behaviors.
• Significant progress has been made in applying 2DCOS to diverse protein studies.

Conclusions:

• 2DCOS is a powerful and evolving tool for protein science research.
• Continued development and application of 2DCOS will further advance our understanding of proteins.
• The review celebrates past achievements and looks forward to future innovations in the field.