Using cryo-electron microscopy, Schäfer et al. solved the structure of the yeast ceramide synthase complex, consisting of Lip1, Lag1 and Lac1 subunits. They found that fumonisin B1 binds competitively at a key site, suggesting a mechanism for ceramide synthesis.
- Jan-Hannes Schäfer
- Lena Clausmeyer
- Florian Fröhlich