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qrcB | Molybdopterin oxidoreductase, molybdopterin-binding subunit, putative; Component of the respiratory Qrc complex, that catalyzes the reduction of the menaquinone pool using electrons transferred from the reduced periplasmic cytochrome c3, and which is probably involved in sulfate respiration. Is likely essential for growth on H(2) or formate since the periplasmic hydrogenases and/or formate dehydrogenases act as primary electron donors for the Qrc complex. The function of the QrcB subunit is unknown; in the absence of a catalytic site, it may provide a structural scaffold for the other [...] (691 aa) | ||||
qrcC | Molybdopterin oxidoreductase, iron-sulfur cluster-binding subunit, putative; Component of the respiratory Qrc complex, that catalyzes the reduction of the menaquinone pool using electrons transferred from the reduced periplasmic cytochrome c3, and which is probably involved in sulfate respiration. Is likely essential for growth on H(2) or formate since the periplasmic hydrogenases and/or formate dehydrogenases act as primary electron donors for the Qrc complex. QrcC is an electron- transferring subunit; its cubane iron sulfur clusters form a pathway for electron transfer between the he [...] (255 aa) | ||||
qrcD | Molybdopterin oxidoreductase, transmembrane subunit, putative; Component of the respiratory Qrc complex, that catalyzes the reduction of the menaquinone pool using electrons transferred from the reduced periplasmic cytochrome c3, and which is probably involved in sulfate respiration. Is likely essential for growth on H(2) or formate since the periplasmic hydrogenases and/or formate dehydrogenases act as primary electron donors for the Qrc complex. The QrcD subunit anchors the protein complex to the membrane and likely interacts with the quinone pool. (419 aa) | ||||
nrfA | Cytochrome c nitrite reductase, catalytic subunit NfrA, putative; Catalytic subunit of the cytochrome c nitrite reductase holocomplex NrfHA. Has both nitrite and sulfite reductase activities. Catalyzes the reduction of nitrite to ammonia, consuming six electrons acquired by the electron donor subunit NrfH from the menaquinone pool, in an anaerobic respiratory process of nitrite. The other biological function of the NrfHA holocomplex is to detoxify nitrite. This function is essential for the survival of this organism as it enables it to overcome inhibition by nitrite, which is produced [...] (524 aa) | ||||
rnfA | Electron transport complex protein RnfA, putative; Part of a membrane-bound complex that couples electron transfer with translocation of ions across the membrane. (191 aa) |