The Pore Architecture of MCU (IMAGE) Chinese Academy of Sciences Headquarters Caption (A) Negative stain EM map obtained by single particle analysis method (estimated resolution ~18 Å). (B) The pore surface representation showing a defined polar cavity for calcium transport. (C) Cartoon representation of the NMR structure showing the formation of the uniporter core, which consists of the transmembrane pore (yellow) and the coiled-coil domain (blue). (D) Two subunits of the pentamer showing subunit folding and definition of the helical segments. Credit Prof. James Chou's lab Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.