Park, K., Yoo, Y., Jeon, H., Choi, K., Kim, H., Kwon, E., Lim, H., Kim, D. Y., No, K. T. (2026). High-resolution cryo-EM structures of small protein–ligand complexes near the theoretical size limit. Nature Communications. https://doi.org/10.1038/s41467-026-71934-7