How large, fully folded proteins can pass through cell membranes without destroying them has long been one of the open questions in cell biology. Using cryo-electron microscopy (cryo-EM), Leonid Sazanov and Ziyu Zhao at the Institute of Science and Technology Austria (ISTA) have now uncovered ne...
Source: [Phys.org](https://phys.org/news/2026-06-cryo-em-imaging-reveals-molecular.html)