Nature CommunicationsHigh-resolution cryo-EM structures of small protein–ligand complexes near the theoretical size limitKunwoong ParkYoungki YooHyunbum JeonKiju ChoiHanseong KimEunju KwonHyun-Ho LimDong Young KimKyoung Tai No2026-04-14Full textDOI https://doi.org/10.1038/s41467-026-71934-7