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Schema
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Reaction
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Entries
COQ4 decarboxylates MHDB
Show undefined attributes
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authored
[InstanceEdit:2162344] Williams, MG, 2012-03-19
catalystActivity
[CatalystActivity:2167850] 4-hydroxy-3-methoxy-5-polyprenylbenzoate decarboxylase activity of COQ3:COQ4:COQ5:COQ6:COQ7:COQ9 [mitochondrial inner membrane]
category
transition
compartment
[Compartment:5460] mitochondrial matrix
created
[InstanceEdit:2162189] Williams, MG, 2012-03-15
crossReference
[DatabaseIdentifier:12667902] RHEA:81275
dbId
2162195
displayName
COQ4 decarboxylates MHDB
edited
[InstanceEdit:2167908] Williams, MG, 2012-03-23
eventOf
[Pathway:R-HSA-2142789] Ubiquinol biosynthesis - Homo sapiens
followingEvent
[BlackBoxEvent:R-HSA-2162191] Unknown enzyme hydroxylates DMPhOH - Homo sapiens
input
[SimpleEntity:R-ALL-113529] H+ [mitochondrial matrix]
[SimpleEntity:R-ALL-2162215] MHDB [mitochondrial inner membrane]
isChimeric
false
isInDisease
false
isInferred
false
literatureReference
[LiteratureReference:9909191] COQ4 is required for the oxidative decarboxylation of the C1 carbon of Coenzyme Q in eukaryotic cells
[LiteratureReference:9909211] In vitro construction of the COQ metabolon unveils the molecular determinants of coenzyme Q biosynthesis
maxDepth
1
modified
[InstanceEdit:11080360] Weiser, Joel, 2026-03-16
name
COQ4 decarboxylates MHDB
MHDB is decarboxylated to DMPhOH
orthologousEvent
[Reaction:R-SCE-2162195] COQ4 decarboxylates MHDB - Saccharomyces cerevisiae
[Reaction:R-SPO-2162195] COQ4 decarboxylates MHDB - Schizosaccharomyces pombe
[Reaction:R-DDI-2162195] COQ4 decarboxylates MHDB - Dictyostelium discoideum
[Reaction:R-CEL-2162195] COQ4 decarboxylates MHDB - Caenorhabditis elegans
[Reaction:R-DME-2162195] COQ4 decarboxylates MHDB - Drosophila melanogaster
[Reaction:R-GGA-2162195] COQ4 decarboxylates MHDB - Gallus gallus
[Reaction:R-XTR-2162195] COQ4 decarboxylates MHDB - Xenopus tropicalis
[Reaction:R-DRE-2162195] COQ4 decarboxylates MHDB - Danio rerio
[Reaction:R-SSC-2162195] COQ4 decarboxylates MHDB - Sus scrofa
[Reaction:R-BTA-2162195] COQ4 decarboxylates MHDB - Bos taurus
[Reaction:R-CFA-2162195] COQ4 decarboxylates MHDB - Canis familiaris
[Reaction:R-RNO-2162195] COQ4 decarboxylates MHDB - Rattus norvegicus
[Reaction:R-MMU-2162195] COQ4 decarboxylates MHDB - Mus musculus
output
[SimpleEntity:R-ALL-29376] CO2 [mitochondrial matrix]
[SimpleEntity:R-ALL-2162208] DMPhOH [mitochondrial inner membrane]
precedingEvent
[Reaction:R-HSA-2162193] COQ3 methylates DHDB - Homo sapiens
previousReviewStatus
[ReviewStatus:9821384] two stars
releaseDate
2013-03-12
reviewStatus
[ReviewStatus:9821382] five stars
reviewed
[InstanceEdit:3009435] Kawamukai, Makoto, 2013-02-05
[InstanceEdit:9909268] Pierrel, Fabien, 2024-05-02
[InstanceEdit:9909593] Marchi, Marco, 2024-05-14
[InstanceEdit:9910563] Tonello, Fiorella, 2024-05-15
schemaClass
Reaction
species
[Species:48887] Homo sapiens
stId
R-HSA-2162195
summation
[Summation:2167906] COQ4 is a zinc-dependent enzyme that catalyzes the decarboxy...
updateTrackers
[UpdateTracker:9910994] Update Tracker - [Reaction:2162195] COQ4 decarboxylates MHDB - v89:[add_removeLiteratureReference, modifyText]
[UpdateTracker:9864073] Update Tracker - [BlackBoxEvent:2162195] Unknown enzyme decarboxylates MHDB - v88:[addInput]
Referrals
(updatedInstance)
[UpdateTracker:9910994] Update Tracker - [Reaction:2162195] COQ4 decarboxylates MHDB - v89:[add_removeLiteratureReference, modifyText]
[UpdateTracker:9864073] Update Tracker - [BlackBoxEvent:2162195] Unknown enzyme decarboxylates MHDB - v88:[addInput]
(hasEvent)
[Pathway:R-HSA-2142789] Ubiquinol biosynthesis
(precedingEvent)
[BlackBoxEvent:R-HSA-2162191] Unknown enzyme hydroxylates DMPhOH
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