Nature CommunicationsStructural insights into the secretin complex of a type IVb pilus systemChenchen PeiHui SunYinliang QiXiaomei LiZhixiong FangManjuan TangRujing ZhangZhaofeng YanMeng Yin2025-10-16Full textDOI https://doi.org/10.1038/s41467-025-65063-w