Presenilin isoforms (PS1 and PS2) containing γ-secretase show contrasting sensitivity to MRK-560. Here, the authors determined cryo-EM structures of PS1/PS2-complexes treated with MRK-560 and identified key residues responsible for the isoform-dependent selectivity.
- Xuefei Guo
- Yumeng Wang
- Yigong Shi