Reactome | I(1,3,4,5)P4 is dephosphorylated to I(1,3,4)P3 by INPP5[3]/ITPK1 in the cytosol

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I(1,3,4,5)P4 is dephosphorylated to I(1,3,4)P3 by INPP5[3]/ITPK1 in the cytosol Show undefined attributes

catalystActivity	[CatalystActivity:11063472] inositol-1,3,4,5-tetrakisphosphate 5-phosphatase activity of INPP5(3)/ITPK1 [cytosol]
category	transition
compartment	[Compartment:70101] cytosol
created	[InstanceEdit:11051501] Weiser, Joel, 2026-03-16
dbId	11063474
displayName	I(1,3,4,5)P4 is dephosphorylated to I(1,3,4)P3 by INPP5[3]/ITPK1 in the cytosol
eventOf	[Pathway:R-SPO-1855204] Synthesis of IP3 and IP4 in the cytosol - Schizosaccharomyces pombe
evidenceType	[EvidenceType:9984902] inferred by electronic annotation
inferredFrom	[Reaction:R-HSA-1855218] I(1,3,4,5)P4 is dephosphorylated to I(1,3,4)P3 by INPP5[3]/ITPK1 in the cytosol - Homo sapiens
input	[SimpleEntity:R-ALL-29356] H2O [cytosol] [SimpleEntity:R-ALL-994170] I(1,3,4,5)P4 [cytosol]
isInDisease	false
isInferred	true
maxDepth	1
name	I(1,3,4,5)P4 is dephosphorylated to I(1,3,4)P3 by INPP5[3]/ITPK1 in the cytosol
output	[SimpleEntity:R-ALL-994123] I(1,3,4)P3 [cytosol] [SimpleEntity:R-ALL-29372] Pi [cytosol]
releaseDate	2026-03-25
schemaClass	Reaction
species	[Species:68324] Schizosaccharomyces pombe
stId	R-SPO-1855218
summation	[Summation:9984901] This event has been computationally inferred from an event that has been demonstrated in another species. The inference is based on the homology mapping from PANTHER. Briefly, reactions for which all involved PhysicalEntities (in input, output and catalyst) have a mapped orthologue/paralogue (for complexes at least 75% of components must have a mapping) are inferred to the other species. High level events are also inferred for these events to allow for easier navigation. More details and caveats of the event inference in Reactome. For details on PANTHER see also: http://www.pantherdb.org/about.jsp

Referrals

(hasEvent)	[Pathway:R-SPO-1855204] Synthesis of IP3 and IP4 in the cytosol
(inferredTo)	[Reaction:R-HSA-1855218] I(1,3,4,5)P4 is dephosphorylated to I(1,3,4)P3 by INPP5[3]/ITPK1 in the cytosol

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