Research notes spanning two related areas: protein folding (Levinthal’s paradox, energy landscape theory, inverse folding with Potts models, dynamics-informed drug design) and the 3D point set alignment algorithms that underpin structural comparison (Kabsch, Horn, Arun, Umeyama).

Protein Folding

YearPaperKey Idea
1969How to Fold GraciouslyLevinthal’s paradox: random search cannot explain protein folding
1995Funnels, Pathways, and Energy LandscapesEnergy landscape theory with folding funnels resolves Levinthal’s paradox
2025DynamicFlowFlow matching co-generating ligands and flexible protein pockets
2025InvMSAFoldPotts model parameter prediction for fast diverse inverse folding

Point Set Alignment

YearPaperKey Idea
1976Kabsch AlgorithmClosed-form optimal rotation via cross-covariance eigendecomposition
1987Arun et al.: SVD-Based Point FittingSVD-based rotation and translation for 3D point sets
1987Horn’s Quaternion MethodAbsolute orientation via unit quaternion eigenvector solution
1988Horn et al.: Orthonormal MatricesPolar decomposition alternative to quaternion-based alignment
1991Umeyama’s MethodCorrected SVD alignment that always produces proper rotations