Nature CommunicationsThe molecular mechanism of the cyanobacterial bicarbonate importer CmpABCD activated by the intracellular nitrateQin-Yao LiBo LiRui-Qian ZhouJun-Lu LvWen-Tao HouShu-Jing HanYuxing ChenYong-Liang JiangCong-Zhao Zhou2026-04-22Full textDOI https://doi.org/10.1038/s41467-026-72153-w