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Reaction
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Entries
5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate
Show undefined attributes
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authored
[InstanceEdit:73784] Jassal, B, 2003-06-26 04:06:16
catalystActivity
[CatalystActivity:73791] amidophosphoribosyltransferase activity of PPAT dimer [cytosol]
category
transition
compartment
[Compartment:70101] cytosol
created
[InstanceEdit:73784] Jassal, B, 2003-06-26 04:06:16
crossReference
[DatabaseIdentifier:12667772] RHEA:14907
[DatabaseIdentifier:9975677] RHEA:14907
dbId
73815
displayName
5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate
edited
[InstanceEdit:165090] Jassal, B, D'Eustachio, P, 0000-00-00 00:00:00
eventOf
[Pathway:R-HSA-73817] Purine ribonucleoside monophosphate biosynthesis - Homo sapiens
followingEvent
[Reaction:R-HSA-73814] 5-Phosphoribosylamine + Glycine + ATP => GAR + ADP + Pi - Homo sapiens
[Reaction:R-HSA-71732] PPA1 hydrolyzes pyrophosphate to orthophosphate - Homo sapiens
input
[SimpleEntity:R-ALL-29356] H2O [cytosol]
[SimpleEntity:R-ALL-29472] L-Gln [cytosol]
[SimpleEntity:R-ALL-73566] PRPP [cytosol]
isInDisease
false
isInferred
false
literatureReference
[LiteratureReference:111230] Human glutamine phosphoribosylpyrophosphate amidotransferase. Kinetic and regulatory properties
[LiteratureReference:111231] Human glutamine phosphoribosylpyrophosphate amidotransferase. Two molecular forms interconvertible by purine ribonucleotides and phosphoribosylpyrophosphate
[LiteratureReference:111232] Human amidophosphoribosyltransferase. An oxygen-sensitive iron-sulfur protein
[LiteratureReference:111233] Molecular cloning of human amidophosphoribosyltransferase
[LiteratureReference:419266] Reversible compartmentalization of de novo purine biosynthetic complexes in living cells
maxDepth
1
modified
[InstanceEdit:10914110] Weiser, Joel, 2026-03-16
name
5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate
5-phospho-alpha-D-ribose 1-diphosphate + L-glutamine + H2O => 5-phospho-beta-D-ribosylamine + L-glutamate + diphosphate
PRPP + H2O + L-Glutamine => 5-Phosphoribosylamine + L-Glutamate + PPi
orthologousEvent
[Reaction:R-GGA-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Gallus gallus
[Reaction:R-SSC-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Sus scrofa
[Reaction:R-CEL-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Caenorhabditis elegans
[Reaction:R-DME-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Drosophila melanogaster
[Reaction:R-XTR-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Xenopus tropicalis
[Reaction:R-DRE-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Danio rerio
[Reaction:R-BTA-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Bos taurus
[Reaction:R-CFA-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Canis familiaris
[Reaction:R-RNO-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Rattus norvegicus
[Reaction:R-MMU-73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - Mus musculus
output
[SimpleEntity:R-ALL-29404] L-Glu [cytosol]
[SimpleEntity:R-ALL-111294] PPi [cytosol]
[SimpleEntity:R-ALL-111292] PRA [cytosol]
precedingEvent
[Reaction:R-HSA-111215] PRPS1 dimer pyrophosphorylates R5P using dATP - Homo sapiens
[Reaction:R-HSA-73580] PRPS dimers pyrophosphorylate R5P using ATP - Homo sapiens
[Reaction:R-HSA-111289] Dissociation of phosphoribosyl pyrophosphate amidotransferase tetramer - Homo sapiens
releaseDate
2004-07-06
reviewStatus
[ReviewStatus:9821382] five stars
revised
[InstanceEdit:504064] D'Eustachio, P, 2010-02-05
schemaClass
Reaction
species
[Species:48887] Homo sapiens
stId
R-HSA-73815
summation
[Summation:73819] Cytosolic PPAT (phosphoribosyl pyrophosphate amidotransferas...
updateTrackers
[UpdateTracker:9791519] Update Tracker - [Reaction:73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - v29:[addLiteratureReference, modifyText]
[UpdateTracker:9786602] Update Tracker - [Reaction:73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - v49:[removeRegulator]
Referrals
(updatedInstance)
[UpdateTracker:9791519] Update Tracker - [Reaction:73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - v29:[addLiteratureReference, modifyText]
[UpdateTracker:9786602] Update Tracker - [Reaction:73815] 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) + H2O + L-glutamine <=> 5-phosphoribosylamine + L-glutamate +pyrophosphate - v49:[removeRegulator]
(precedingEvent)
[Reaction:R-HSA-71732] PPA1 hydrolyzes pyrophosphate to orthophosphate
[Reaction:R-HSA-73814] 5-Phosphoribosylamine + Glycine + ATP => GAR + ADP + Pi
(hasEvent)
[Pathway:R-HSA-73817] Purine ribonucleoside monophosphate biosynthesis
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