Manganese is essential but toxic in excess. Here, the authors report cryo-EM structures of the Mn²⁺ transporter SLC30A10, define its Mn²⁺-binding site, and show how a disease-linked mutation impairs transport, mitochondria and cell viability, advancing understanding of Mn²⁺ homeostasis.
- Xurui Shen
- Jinlun Kylian Zhang
- Hanting Yang