Characterizing Protein Stability By DSC

Protein stability depends on a delicate thermodynamic balance among the interactions that maintain a folded structure. Differential scanning calorimetry (DSC) provides a direct, sensitive way to quantify that balance by measuring the enthalpy and entropy associated with thermal unfolding. Using only a few micrograms of material, researchers can characterize protein stability and better understand the noncovalent forces that govern macromolecular structure. These insights are valuable for explaining the resilience of thermophilic proteins, investigating harmful conformational changes, and advancing the prediction of three-dimensional structures from amino acid sequences. They also support practical applications ranging from engineered proteins and small-molecule drugs to biocompatible polymers and stable protein therapeutics.

Learn how DSC reveals the thermodynamic parameters behind protein folding, unfolding, and stability.