A high-resolution electron cryo-microscopy structure of the mitochondrial respiratory supercomplex I + III2 from Arabidopsis thaliana shows that the component complexes stabilize each other. A complex I-ferredoxin, subunit B14.7 and the newly defined P9 subunit mediate supercomplex formation.
- Niklas Klusch
- Maximilian Dreimann
- Hans-Peter Braun
