Human Supercomplex: I-III2-IV Click the buttons to change the display
Colored by Complex
Complex I-blue, Complex III-red, Complex IV-yellow

Spacefilling view.

Protein as trace, with cofactors in space filling, lipids in white. Complex I has 8 FeS clusters and 1 FMN, each Complex III has 2 b hemes and one c1 heme. Complex IV has 2 a hemes and 3 Cu ions. Missing is cytochrome c.


Guo, R., Zong, S., Wu, M., Gu, J., Yang, M.
Architecture of Human Mitochondrial Respiratory Megacomplex I2III2IV2
(2017) Cell 170: 1247-1257.e12 (PubMed)

5xth (PDB)