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. 2019 Sep 28;20(19):4823. doi: 10.3390/ijms20194823

Figure 1.

Figure 1

Scheme of mtCU structure. Mitochondrial calcium uniporter pore-forming subunit (MCU) and regulatory subunits are shown: MICU1 and 2—mitochondrial calcium uptake 1 and 2; MCUb—mitochondrial calcium uniporter dominant negative beta subunit; EMRE—essential MCU regulator. IMS—intermembrane space; NTD—N-terminal domain; CTD—C-terminal domain; TM1, TM2—two helices of the transmembrane domain; CCD—coiled coil domain; DIME—amino acids sequence mediating a Ca2+-modulated electrostatic interaction between MCU and MICU1. EF hand—helix-loop-helix structural motif of calcium-binding proteins MICU1 and MICU2. Modified from 10.1038/s41598-019-41996-3 under CC-BY.