Summary

X-ray-crystallography density can capture alternate conformations of proteins and their ligands (1). These conformations can often be stably modeled with molecular dynamics.

See also

1.
Rosenberg AA, Vedula S, Bronstein AM, Marx A. Seeing Double: Molecular dynamics simulations reveal the stability of certain alternate protein conformations in crystal structures. openRxiv; 2024. Available from: https://doi.org/10.1101/2024.08.31.610605