Cryo-EM structure of a type IV secretion system - Mace, Kevin; Vadakkepat, Abhinav K; Redzej, Adam; Lukoyanova, Natalya; Oomen, Clasien; Braun, Nathalie; Ukleja, Marta; Lu, Fang; Costa, Tiago R D; Orlova, Elena, V; Baker, David; Cong, Qian; et al. (Nature, 2022)