| Entry |
|
| Name |
ubiquinol---cytochrome-c reductase;
coenzyme Q-cytochrome c reductase;
dihydrocoenzyme Q-cytochrome c reductase;
reduced ubiquinone-cytochrome c reductase, complex III (mitochondrial electron transport);
ubiquinone-cytochrome c reductase;
ubiquinol-cytochrome c oxidoreductase;
reduced coenzyme Q-cytochrome c reductase;
ubiquinone-cytochrome c oxidoreductase;
reduced ubiquinone-cytochrome c oxidoreductase;
mitochondrial electron transport complex III;
ubiquinol-cytochrome c-2 oxidoreductase;
ubiquinone-cytochrome b-c1 oxidoreductase;
ubiquinol-cytochrome c2 reductase;
ubiquinol-cytochrome c1 oxidoreductase;
CoQH2-cytochrome c oxidoreductase;
ubihydroquinol:cytochrome c oxidoreductase;
coenzyme QH2-cytochrome c reductase;
QH2:cytochrome c oxidoreductase
|
| Class |
Oxidoreductases;
Acting on diphenols and related substances as donors;
With a cytochrome as acceptor
 |
| Sysname |
ubiquinol:ferricytochrome-c oxidoreductase
|
| Reaction(IUBMB) |
QH2 + 2 ferricytochrome c = Q + 2 ferrocytochrome c + 2 H+ [RN: R02161]
|
| Reaction(KEGG) |
|
| Substrate |
|
| Product |
|
| Comment |
Contains cytochromes b-562, b-566 and c1, and a 2-iron ferredoxin. Depending on the organism and physiological conditions, either two or four protons are extruded from the cytoplasmic to the non-cytoplasmic compartment (cf. EC 1.6.99.3 NADH dehydrogenase).
|
| Pathway |
| Oxidative phosphorylation | | Nitrogen metabolism | | Metabolic pathways |
|
| Orthology |
| ubiquinol-cytochrome c reductase iron-sulfur subunit |
|
| Genes |
HSA: | | PTR: | | PPS: | | GGO: | | PON: | | MCC: | | MMU: | | RNO: | | CFA: | | FCA: | | BTA: | | SSC: | | ECB: | | MDO: | | SHR: | | OAA: | | GGA: | | MGP: | | TGU: | | ACS: | | XLA: | | XTR: | | DRE: | | TRU: | | OLA: | | BFO: | | CIN: | | SPU: | | DME: | | DPO: | | DAN: | | DER: | | DPE: | | DSE: | | DSI: | | DWI: | | DYA: | | DGR: | | DMO: | | DVI: | | AGA: | | AAG: | | CQU: | | AME: | | NVI: | | TCA: | | API: | | PHU: | | ISC: | | CEL: | | CBR: | | BMY: | | SMM: | | NVE: | | HMG: | | TAD: | | AQU: | | ATH: | | ALY: | | GMX: | | MTR: | | CSV: | | RCU: | | POP: | | VVI: | | OSA: | | DOSA: | | BDI: | | SBI: | | ZMA: | | SMO: | | PPP: | | CRE: | | VCN: | | OLU: | | OTA: | | CME: | | SCE: | | AGO: | | ERC: | | KLA: | | LTH: | | PPA: | | VPO: | | ZRO: | | CGR: | | NCS: | | NDI: | | TPF: | | TBL: | | TDL: | | KAF: | | DHA: | | PIC: | | PGU: | | LEL: | | CAL: | | CTP: | | CDU: | | COT: | | YLI: | | CLU: | | NCR: | | SMP: | | PAN: | | TTT: | | MTM: | | FGR: | | NHE: | | VAL: | | SSL: | | BFU: | | ANI: | | NFI: | | AFM: | | AOR: | | ANG: | | AFV: | | ACT: | | PCS: | | CIM: | | CPW: | | PBL: | | URE: | | ABE: | | TVE: | | AJE: | | PNO: | | PTE: | | ZTR: | | TML: | | SPO: | | CNE: | | CNB: | | CGI: | | LBC: | | MPR: | | CCI: | | SCM: | | UMA: | | MGL: | | MBR: | | NGR: | | DDI: | | DPP: | | PFA: | | PFD: | | PFH: | | PYO: | | PCB: | | PBE: | | PKN: | | PVX: | | PCY: | | TAN: | | TPV: | | BBO: | | TGO: | | TET: | | PTM: | | TBR: | | TCR: | | LIF: | | LDO: | | LMI: | | LBZ: | | PTI: | | TPS: | | PIF: | | CKO: | | XFA: | | XFT: | | XFM: | | XFN: | | XFF: | | XCC: | | XCB: | | XCA: | | XCV: | | XCP: | | XAC: | | XAX: | | XAO: | | XOO: | | XOM: | | XOP: | | XOR: | | XAL: | | XCI: | | SML: | | SMT: | | BUJ: | | SMZ: | | PSU: | | PSD: | | FAU: | | RHD: | | VCH: | | VCE: | | VCJ: | | VCO: | | VCR: | | VCM: | | VCI: | | VCL: | | VVU: | | VVY: | | VVM: | | VPA: | | VPB: | | VHA: | | VSP: | | VEX: | | VEJ: | | VFU: | | VFI: | | VFM: | | VSA: | | PPR: | | VAN: | | PAE: | | PAU: | | PAP: | | PAG: | | PAF: | | PNC: | | PDK: | | PSG: | | PPU: | | PPF: | | PPG: | | PPW: | | PPT: | | PPB: | | PPI: | | PPX: | | PPUH: | | PPUU: | | PFL: | | PFO: | | PFS: | | PFE: | | PFC: | | PPZ: | | PEN: | | PMY: | | PMK: | | PSA: | | PSZ: | | PSR: | | PSC: | | PSJ: | | PSH: | | PBA: | | PFV: | | PDR: | | CJA: | | AVN: | | AVL: | | AVD: | | PAR: | | PCR: | | PRW: | | MCT: | | SON: | | SDN: | | SFR: | | SAZ: | | SBL: | | SBM: | | SBN: | | SBP: | | SBT: | | SBS: | | SBB: | | SLO: | | SPC: | | SHP: | | SSE: | | SPL: | | SHE: | | SHM: | | SHN: | | SHW: | | SHL: | | SWD: | | SWP: | | SVO: | | ILO: | | CPS: | | PHA: | | PAT: | | PSM: | | SDE: | | MAQ: | | MHC: | | MAD: | | MBS: | | AMAC: | | AMB: | | AMG: | | AMK: | | AMAA: | | ALT: | | GAG: | | GNI: | | GPS: | | PIN: | | PSY: | | TTU: | | FBL: | | LPN: | | LPU: | | LPF: | | LPP: | | LPC: | | LPA: | | LPE: | | LLO: | | MCA: | | MMT: | | MAH: | | TCX: | | TCY: | | MEJ: | | MEC: | | CYQ: | | NOC: | | NHL: | | NWA: | | ALV: | | TVI: | | TMB: | | AEH: | | HHA: | | TGR: | | TKM: | | TNI: | | HNA: | | HCH: | | HEL: | | ABO: | | ADI: | | KKO: | | MME: | | TOL: | | AHA: | | ASA: | | AVR: | | OCE: | | AFE: | | AFR: | | AFI: | | SAGA: | | RMA: | | VOK: | | GPB: | | NMA: | | NME: | | NMP: | | NMH: | | NMC: | | NMN: | | NMT: | | NMI: | | NMD: | | NMM: | | NMS: | | NMQ: | | NMW: | | NMZ: | | NGO: | | NGK: | | NGT: | | NLA: | | CVI: | | LHK: | | PSE: | | RSO: | | RSC: | | RSL: | | RSN: | | RPI: | | RPF: | | REU: | | REH: | | RME: | | CTI: | | CNC: | | BMA: | | BMV: | | BML: | | BMN: | | BPS: | | BPM: | | BPL: | | BPD: | | BPR: | | BPZ: | | BPQ: | | BTE: | | BVI: | | BUR: | | BCN: | | BCH: | | BCM: | | BCJ: | | BAM: | | BAC: | | BMU: | | BMJ: | | BCT: | | BXE: | | BPH: | | BPY: | | BGL: | | BUG: | | BGE: | | BGF: | | BRH: | | BGD: | | BYI: | | BUK: | | BPX: | | PNU: | | PNE: | | BPE: | | BPC: | | BPER: | | BPA: | | BPAR: | | BBR: | | BBM: | | BBH: | | BPT: | | BAV: | | AXY: | | TEQ: | | TEA: | | TEG: | | TAS: | | TAT: | | PUT: | | AKA: | | RFR: | | POL: | | PNA: | | AAV: | | AJS: | | DIA: | | AAA: | | ACK: | | VEI: | | DAC: | | DEL: | | VAP: | | VPE: | | CTT: | | ADN: | | ADK: | | RTA: | | MPT: | | HAR: | | MMS: | | HSE: | | CFU: | | LCH: | | TIN: | | THI: | | RGE: | | NEU: | | NET: | | NIT: | | NII: | | NMU: | | EBA: | | AZO: | | AZA: | | DAR: | | TMZ: | | DSU: | | TBD: | | MMB: | | MEH: | | MEI: | | MEP: | | APP: | | SLT: | | BPRC: | | HPY: | | HEO: | | HPJ: | | HPA: | | HPS: | | HHP: | | HHQ: | | HHR: | | HPG: | | HPP: | | HPB: | | HPL: | | HPC: | | HCA: | | HPM: | | HPE: | | HPO: | | HPI: | | HPQ: | | HPW: | | HPU: | | HEF: | | HPF: | | HEQ: | | HEX: | | HPT: | | HPZ: | | HPV: | | HPX: | | HEN: | | HPH: | | HEG: | | HPN: | | HEP: | | HEU: | | HES: | | HCN: | | HPD: | | HEY: | | HER: | | HEI: | | HPYA: | | HPYK: | | HPYO: | | HPYL: | | HHE: | | HAC: | | HMS: | | HFE: | | HBI: | | HCE: | | HCM: | | HCB: | | WSU: | | TDN: | | SUA: | | SKU: | | SULR: | | CJE: | | CJB: | | CJJ: | | CJU: | | CJN: | | CJI: | | CJM: | | CJS: | | CJP: | | CJR: | | CJD: | | CFF: | | CCV: | | CHA: | | CCO: | | CLA: | | ABU: | | ABT: | | ANT: | | ARC: | | SDL: | | SBA: | | NSA: | | NIS: | | SUN: | | RPR: | | RPO: | | RPW: | | RPZ: | | RPG: | | RPS: | | RPV: | | RPQ: | | RPL: | | RPN: | | RTY: | | RTT: | | RTB: | | RCM: | | RCC: | | RBE: | | RBO: | | RCO: | | RFE: | | RAK: | | RRI: | | RRJ: | | RRA: | | RRC: | | RRH: | | RRB: | | RRN: | | RRP: | | RMS: | | RMI: | | RPK: | | RAF: | | RHE: | | RJA: | | RSV: | | RSW: | | RPH: | | RAU: | | RMO: | | RPP: | | RRE: | | RAM: | | OTS: | | OTT: | | WOL: | | WBM: | | WOO: | | WRI: | | WPI: | | WEN: | | WED: | | AMA: | | AMF: | | ACN: | | APH: | | ERU: | | ERW: | | ERG: | | ECN: | | ECH: | | NSE: | | NRI: | | PUB: | | PEL: | | MMN: | | MLO: | | MCI: | | MOP: | | MAM: | | MES: | | PLA: | | SME: | | SMK: | | SMQ: | | SMX: | | SMI: | | SMEG: | | SMEL: | | SMD: | | RHI: | | SFH: | | SFD: | | ATU: | | ARA: | | AVI: | | AGR: | | RET: | | REC: | | RLE: | | RLT: | | RLG: | | RTR: | | BME: | | BMI: | | BMZ: | | BMG: | | BMW: | | BMF: | | BMB: | | BMC: | | BAA: | | BMS: | | BSI: | | BMT: | | BSV: | | BOV: | | BCS: | | BSK: | | BMR: | | BPP: | | OAN: | | BJA: | | BJU: | | BRA: | | BBT: | | BRS: | | RPA: | | RPB: | | RPC: | | RPD: | | RPE: | | RPT: | | RPX: | | NWI: | | NHA: | | OCA: | | OCG: | | OCO: | | AOL: | | BQR: | | BTR: | | BGR: | | BVN: | | XAU: | | AZC: | | SNO: | | MEX: | | MEA: | | MDI: | | MCH: | | MRD: | | MET: | | MPO: | | MNO: | | BID: | | MSL: | | HDN: | | HMC: | | RVA: | | PHL: | | MSC: | | HCI: | | CCR: | | CCS: | | CAK: | | CSE: | | PZU: | | BSB: | | AEX: | | SIL: | | SIT: | | RSP: | | RSH: | | RSQ: | | RSK: | | RCP: | | JAN: | | RDE: | | RLI: | | PDE: | | DSH: | | KVU: | | KVL: | | PSF: | | PGA: | | PGL: | | OAT: | | OAR: | | MMR: | | HNE: | | HBA: | | ZMO: | | ZMN: | | ZMM: | | ZMB: | | ZMP: | | NAR: | | NPP: | | SAL: | | SWI: | | SPHM: | | SJP: | | SCH: | | SSY: | | ELI: | | GOX: | | GOH: | | GDI: | | GDJ: | | GXY: | | APT: | | APW: | | APF: | | APU: | | APG: | | APQ: | | APX: | | APZ: | | RRU: | | RRF: | | RCE: | | RPM: | | MAG: | | AZL: | | ALI: | | ABS: | | TMO: | | THAL: | | PBR: | | APB: | | PGV: | | MAI: | | MAN: | | APC: | | APM: | | MGM: | | DRA: | | AAE: | | HYA: | | HHO: | | HYS: | | HTH: | | HTE: | | TAL: | | SUL: | | SAF: | | PMX: | | CSY: | | » show all
 |
| Reference |
|
| Authors |
Marres CM, Slater EC. |
| Title |
Polypeptide composition of purified QH2:cytochrome c oxidoreductase from beef-heart mitochondria. |
| Journal |
Biochim. Biophys. Acta. 462 (1977) 531-48. |
| Organism |
|
| Reference |
|
| Authors |
Rieske JS. |
| Title |
Composition, structure, and function of complex III of the respiratory chain. |
| Journal |
Biochim. Biophys. Acta. 456 (1976) 195-247. |
| Organism |
Rattus norvegicus [GN: rno], Bos taurus [GN: bta], Candida utilis, pigeon |
| Reference |
|
| Authors |
Wikstrom M, Krab K, Saraste M. |
| Title |
Proton-translocating cytochrome complexes. |
| Journal |
Annu. Rev. Biochem. 50 (1981) 623-55. |
| Other DBs |
ExplorEnz - The Enzyme Database: IUBMB Enzyme Nomenclature: ExPASy - ENZYME nomenclature database: BRENDA, the Enzyme Database: CAS: 9027-03-6 |