Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1YQ4 1YQ4: Avian respiratory complex ii with 3-nitropropionate and ubiquinone SUCCINATE DEHYDROGENASE CYTOCHROME B, LARGE SUBUNITSUCCINATE DEHYDROGENASE CYTOCHROME B, SMALL SUBUNITSuccinate dehydrogenase flavoprotein subunitsuccinate... avianrespiratorycomplexiiubiquinone