Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/7ZC6 7ZC6: Na+ - translocating ferredoxin: NAD+ reductase (Rnf) of C. tetanomorphum RnfARnfBRnfCRnfDRnfERnfGFE (III) IONFLAVIN MONONUCLEOTIDEIRON/SULFUR CLUSTERRIBOFLAVIN ferredoxin nad reductasernf