High-affinity cooperative Ca binding by MICU1-MICU2 serves as an on-off switch for the uniporter. Kamer KJ, Grabarek Z, Mootha VK. High-affinity cooperative Ca binding by MICU1-MICU2 serves as an on-off switch for the uniporter. EMBO Rep. 2017;18(8):1397-1411. doi:10.15252/embr.201643748 Read more