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ENZYME

ENZYME entry: EC 1.10.3.11

Accepted Name
ubiquinol oxidase (non-electrogenic)
Alternative Name(s)
cyanide-insensitive oxidase
plant alternative oxidase
ubiquinol oxidase
Reaction catalysed
2 a ubiquinol + O2 <=> 2 a ubiquinone + 2 H2O
Comment(s)
  • The enzyme, described from the mitochondria of plants and some fungi and protists, is an alternative terminal oxidase that is not sensitive to cyanide inhibition and does not generate a proton motive force.
  • The function of this oxidase is believed to be dissipating excess reducing power, minimizing oxidative stress, and optimizing photosynthesis in response to changing conditions.
Cross-references
BRENDA1.10.3.11
EC2PDB1.10.3.11
ExplorEnz1.10.3.11
PRIAM enzyme-specific profiles1.10.3.11
KEGG Ligand Database for Enzyme Nomenclature1.10.3.11
IUBMB Enzyme Nomenclature1.10.3.11
IntEnz1.10.3.11
MEDLINEFind literature relating to 1.10.3.11
MetaCyc1.10.3.11
Rhea expert-curated reactions1.10.3.11
UniProtKB/Swiss-Prot
Q39219, AOX1A_ARATHO82807, AOX1A_ORYSJO23913, AOX1B_ARATH
O82766, AOX1B_ORYSJO22048, AOX1C_ARATHQ8W855, AOX1C_ORYSJ
Q40294, AOX1_MANINP22185, AOX1_SAUVEQ07185, AOX1_SOYBN
Q41224, AOX1_TOBACO22049, AOX2_ARATHQ41266, AOX2_SOYBN
Q40578, AOX2_TOBACQ8LEE7, AOX3_ARATHO03376, AOX3_SOYBN
Q56X52, AOX4_ARATHF4P6T0, AOX_BATDJD5JAJ1, AOX_TRAHO

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