Nature CommunicationsEffector conformational plasticity enables lineage-specific secretion via Hcp heterohexamers in gut symbiontsShuaining ZhengWeixun LiLin FanZhe ChenXuezheng ZhaoJing HeXiaoning XuXuyao JiaoXiang Gao2026-02-21Full textDOI https://doi.org/10.1038/s41467-026-69309-z