KEGG   REACTION: R08757
Entry
R08757                      Reaction                               
Name
hydroxylamine:ubiquinone oxidoreductase;
hydroxylamine oxidase
Definition
Hydroxylamine + 2 Ubiquinone + H2O <=> Nitrite + 2 Ubiquinol
Equation
C00192 + 2 C00399 + C00001 <=> C00088 + 2 C00390
Comment
a part of multi-step reaction (see R00793, R08757+R02161+R00081)
ubiquinol is also oxidezed by ammonia monooxygenase (see R00148) or NADH dehydrogenase (see R02163) in nitrification
Reaction class
RC00061  C00390_C00399
RC00383  C00088_C00192
LinkDB

KEGG   REACTION: R02161
Entry
R02161                      Reaction                               
Name
ubiquinol:ferricytochrome-c oxidoreductase
Definition
Ubiquinol + 2 Ferricytochrome c <=> Ubiquinone + 2 Ferrocytochrome c + 2 H+
Equation
C00390 + 2 C00125 <=> C00399 + 2 C00126 + 2 C00080
Comment
electron transport complex III
Reaction class
RC00061  C00390_C00399
Enzyme
7.1.1.8
Pathway
rn01100  Metabolic pathways
Module
M00152  Cytochrome bc1 complex
Brite
Enzymatic reactions [BR:br08201]
 7. Translocase reactions
  7.1  Catalysing the translocation of protons
   7.1.1  Linked to oxidoreductase reactions
    7.1.1.8
     R02161  Ubiquinol + 2 Ferricytochrome c <=> Ubiquinone + 2 Ferrocytochrome c + 2 H+
IUBMB reaction hierarchy [BR:br08202]
 7. Translocase reactions
  7.1.1.8
   R13224  Hydroquinone <=> Quinone
    R02161  Ubiquinol <=> Ubiquinone
Other DBs
RHEA: 11487
LinkDB

KEGG   REACTION: R00081
Entry
R00081                      Reaction                               
Name
ferrocytochrome-c:oxygen oxidoreductase
Definition
Oxygen + 4 Ferrocytochrome c + 8 H+ <=> 4 Ferricytochrome c + 2 H2O + 4 H+
Equation
C00007 + 4 C00126 + 8 C00080 <=> 4 C00125 + 2 C00001 + 4 C00080
Reaction class
RC00016  C00125_C00126
Enzyme
7.1.1.9
Pathway
rn01100  Metabolic pathways
Module
M00154  Cytochrome c oxidase
M00155  Cytochrome c oxidase, prokaryotes
M00156  Cytochrome c oxidase, cbb3-type
Brite
Enzymatic reactions [BR:br08201]
 7. Translocase reactions
  7.1  Catalysing the translocation of protons
   7.1.1  Linked to oxidoreductase reactions
    7.1.1.9
     R00081  Oxygen + 4 Ferrocytochrome c + 8 H+ <=> 4 Ferricytochrome c + 2 H2O + 4 H+
Other DBs
RHEA: 11439
LinkDB

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