| 1KF6 | A:422-541; M:422-541 | E. COLI QUINOL-FUMARATE REDUCTASE WITH BOUND INHIBITOR HQNO |
| 1KFY | A:422-541; M:422-541 | QUINOL-FUMARATE REDUCTASE WITH QUINOL INHIBITOR 2-[1-(4-CHLORO-PHENYL)-ETHYL]-4,6-DINITRO-PHENOL |
| 2ACZ | A:431-547 | COMPLEX II (SUCCINATE DEHYDROGENASE) FROM E. COLI WITH ATPENIN A5 INHIBITOR CO-CRYSTALLIZED AT THE UBIQUINONE BINDING SITE |
| 2WDQ | A:431-547; E:431-547; I:431-547 | E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) WITH CARBOXIN BOUND |
| 2WDR | A:431-547; E:431-547; I:431-547 | E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) WITH PENTACHLOROPHENOL BOUND |
| 2WDV | A:431-547; E:431-547; I:431-547 | E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) WITH AN EMPTY QUINONE-BINDING POCKET |
| 2WP9 | A:431-547; E:431-547; I:431-547 | CRYSTAL STRUCTURE OF THE E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) SDHB HIS207THR MUTANT |
| 2WS3 | A:431-547; E:431-547; I:431-547 | CRYSTAL STRUCTURE OF THE E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) SDHD TYR83PHE MUTANT |
| 2WU2 | A:431-547; E:431-547; I:431-547 | CRYSTAL STRUCTURE OF THE E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) SDHC HIS84MET MUTANT |
| 2WU5 | A:431-547; E:431-547; I:431-547 | CRYSTAL STRUCTURE OF THE E. COLI SUCCINATE:QUINONE OXIDOREDUCTASE (SQR) SDHD HIS71MET MUTANT |