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Schema
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Reaction
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Entries
xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate
Show undefined attributes
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catalystActivity
[CatalystActivity:71323] transketolase activity of TKT dimer [cytosol]
catalystActivityReference
[CatalystActivityReference:9643773] transketolase activity of TKT dimer [cytosol] Aspartate 155 of human transketolase is essential for thiamine diphosphate-magnesium binding, and cofactor binding is required for dimer formation
category
transition
compartment
[Compartment:70101] cytosol
crossReference
[DatabaseIdentifier:12667741] RHEA:27627
[DatabaseIdentifier:9934065] RHEA:27627
dbId
71335
displayName
xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate
eventOf
[Pathway:R-HSA-71336] Pentose phosphate pathway - Homo sapiens
input
[SimpleEntity:R-ALL-29878] E4P [cytosol]
[SimpleEntity:R-ALL-29790] XY5P [cytosol]
isInDisease
false
isInferred
false
literatureReference
[LiteratureReference:199810] Aspartate 155 of human transketolase is essential for thiamine diphosphate-magnesium binding, and cofactor binding is required for dimer formation
maxDepth
1
modified
[InstanceEdit:10914110] Weiser, Joel, 2026-03-16
name
xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate
TKT dimer transfers two-carbon ketol group onto E4P
orthologousEvent
[Reaction:R-CEL-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Caenorhabditis elegans
[Reaction:R-DME-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Drosophila melanogaster
[Reaction:R-GGA-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Gallus gallus
[Reaction:R-XTR-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Xenopus tropicalis
[Reaction:R-DRE-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Danio rerio
[Reaction:R-SSC-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Sus scrofa
[Reaction:R-BTA-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Bos taurus
[Reaction:R-CFA-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Canis familiaris
[Reaction:R-RNO-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Rattus norvegicus
[Reaction:R-MMU-71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - Mus musculus
output
[SimpleEntity:R-ALL-29512] Fru(6)P [cytosol]
[SimpleEntity:R-ALL-29578] GA3P [cytosol]
precedingEvent
[Reaction:R-HSA-71303] RPE dimers isomerise RU5P to XY5P - Homo sapiens
[Reaction:R-HSA-71334] sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate <=> D-erythrose 4-phosphate + D-fructose 6-phosphate - Homo sapiens
[Reaction:R-HSA-5662466] XYLB phosphorylates D-xylulose - Homo sapiens
releaseDate
2004-07-06
reverseReaction
[Reaction:R-HSA-163751] D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate <=> xylulose 5-phosphate + D-erythrose 4-phosphate
reviewStatus
[ReviewStatus:9821382] five stars
revised
[InstanceEdit:469644] D'Eustachio, P, 2010-01-24
schemaClass
Reaction
species
[Species:48887] Homo sapiens
stId
R-HSA-71335
summation
[Summation:179338] Cytosolic transketolase (TKT) catalyzes the reaction of D-er...
updateTrackers
[UpdateTracker:9792341] Update Tracker - [Reaction:71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - v22:[addLiteratureReference]
[UpdateTracker:9780892] Update Tracker - [Reaction:71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - v61:[modifyText]
[UpdateTracker:9790967] Update Tracker - [Reaction:71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - v32:[modifyText]
Referrals
(updatedInstance)
[UpdateTracker:9792341] Update Tracker - [Reaction:71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - v22:[addLiteratureReference]
[UpdateTracker:9780892] Update Tracker - [Reaction:71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - v61:[modifyText]
[UpdateTracker:9790967] Update Tracker - [Reaction:71335] xylulose 5-phosphate + D-erythrose 4-phosphate <=> D-glyceraldehyde 3-phosphate + D-fructose 6-phosphate - v32:[modifyText]
(hasEvent)
[Pathway:R-HSA-71336] Pentose phosphate pathway
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