EC 7.1.1.2: NADH:ubiquinone reductase (H(+)-translocating)
Reaction catalysed:
NADH + ubiquinone + 5 H(+)(Side 1) = NAD(+) + ubiquinol + 4 H(+)(Side 2)
Systematic name:
NADH:ubiquinone oxidoreductase
Alternative Name(s):
- Coenzyme Q reductase
- Complex 1 dehydrogenase
- Complex I (NADH:Q1 oxidoreductase)
- Complex I (electron transport chain)
- Complex I (mitochondrial electron transport)
- DPNH-coenzyme Q reductase
- DPNH-ubiquinone reductase
- Dihydronicotinamide adenine dinucleotide-coenzyme Q reductase
- Electron transfer complex I
- Mitochondrial electron transport complex 1
- Mitochondrial electron transport complex I
- NADH coenzyme Q1 reductase
- NADH dehydrogenase (ubiquinone)
- NADH-CoQ oxidoreductase
- NADH-CoQ reductase
- NADH-Q6 oxidoreductase
- NADH-coenzyme Q oxidoreductase
- NADH-coenzyme Q reductase
- NADH-ubiquinone oxidoreductase
- NADH-ubiquinone reductase
- NADH-ubiquinone-1 reductase
- NADH:ubiquinone oxidoreductase complex
- Reduced nicotinamide adenine dinucleotide-coenzyme Q reductase
- Type 1 dehydrogenase
- Ubiquinone reductase
EC 7.1.1.8: Quinol--cytochrome-c reductase
Reaction catalysed:
Quinol + 2 ferricytochrome c(Side 2) = quinone + 2 ferrocytochrome c(Side 2) + 2 H(+)(Side 2)
Systematic name:
Quinol:ferricytochrome-c oxidoreductase
Alternative Name(s):
- CoQH(2)--cytochrome c oxidoreductase
- Coenzyme Q--cytochrome c reductase
- Coenzyme QH(2)--cytochrome c reductase
- Complex III (mitochondrial electron transport)
- Cytochrome bc1 complex
- Dihydrocoenzyme Q--cytochrome c reductase
- Mitochondrial electron transport complex III
- QH(2):cytochrome c oxidoreductase
- Reduced coenzyme Q-cytochrome c reductase
- Reduced ubiquinone--cytochrome c oxidoreductase
- Reduced ubiquinone--cytochrome c reductase, complex III (mitochondrial electron transport)
- Ubihydroquinol:cytochrome c oxidoreductase
- Ubiquinol--cytochrome c oxidoreductase
- Ubiquinol--cytochrome c-2 oxidoreductase
- Ubiquinol--cytochrome c1 oxidoreductase
- Ubiquinol--cytochrome c2 reductase
- Ubiquinol--cytochrome-c reductase
- Ubiquinol:ferricytochrome-c oxidoreductase
- Ubiquinone--cytochrome b-c(1) oxidoreductase
- Ubiquinone--cytochrome c oxidoreductase
- Ubiquinone--cytochrome-c oxidoreductase
- Ubiquinone-cytochrome c reductase
EC 7.1.1.9: Cytochrome-c oxidase
Reaction catalysed:
4 ferrocytochrome c + O(2) + 8 H(+)(Side 1) = 4 ferricytochrome c + 4 H(2)O(Side 2)
Systematic name:
Ferrocytochrome-c:oxygen oxidoreductase
Alternative Name(s):
- Complex IV (mitochondrial electron transport)
- Cytochrome a3
- Cytochrome aa3
- Cytochrome ba(3)
- Cytochrome bb3
- Cytochrome caa(3)
- Cytochrome cbb(3)
- Cytochrome oxidase
- Ferrocytochrome c oxidase
- Indophenol oxidase
- Indophenolase
- NADH cytochrome c oxidase
- Warburg's respiratory enzyme
GO terms
Biochemical function:
Biological process:
Cellular component:
Sequence families
Protein families (Pfam)
PF15880
Domain description:
NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial
Occurring in:
Occurring in:
PF07347
Domain description:
NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a)
Occurring in:
Occurring in:
PF05821
Domain description:
NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8)
Occurring in:
Occurring in:
PF10183
Domain description:
ESSS subunit of NADH:ubiquinone oxidoreductase (complex I)
Occurring in:
Occurring in:
PF15088
Domain description:
NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial
Occurring in:
Occurring in:
PF00662
Domain description:
NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus
Occurring in:
Occurring in:
PF22151
Domain description:
NADH-ubiquinone oxidoreductase NDSU1/NuoG-like, 4Fe-4S domain
Occurring in:
Occurring in:
PF22117
Domain description:
NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain
Occurring in:
Occurring in:
PF10588
Domain description:
NADH-ubiquinone oxidoreductase-G iron-sulfur binding region
Occurring in:
Occurring in:
PF10589
Domain description:
NADH-ubiquinone oxidoreductase-F iron-sulfur binding region
Occurring in:
Occurring in: