FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

diphosphoinositol pentakisphosphate kinase activity

ID (Ontology)

GO:0000829 (Gene Ontology)

Definition

Catalysis of the reaction: ATP + diphospho-1D-myo-inositol-pentakisphosphate = ADP + bis(diphospho)-1D-myo-inositol-tetrakisphosphate. The isomeric configurations of the diphospho-1D-myo-inositol-pentakisphosphate (PP-IP5) and bis(diphospho)-1D-myo-inositol-tetrakisphosphate (bis-PP-IP4) are unknown.[ PubMed:16429326 ]

Also Known As

"inositol heptakisphosphate kinase activity" ; "PP-IP5 kinase activity"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_MOLECULAR_FUNCTION

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes
diphosphoinositol pentakisphosphate kinase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| diphosphoinositol pentakisphosphate kinase activity

Spanning Tree (Parents/Children)

kinase activity
 |__inositol phosphate kinase activity___________________________
transferase activity, transferring phosphorus-containing groups  |
 |__phosphotransferase activity, phosphate group as acceptor_____|
                                                                 diphosphoinositol pentakisphosphate kinase activity  1 rec.
                                                                  |__5-diphosphoinositol pentakisphosphate 1-kinase activity 1 rec.
                                                                  |__5-diphosphoinositol pentakisphosphate 4-kinase activity
                                                                  |__5-diphosphoinositol pentakisphosphate 6-kinase activity
                                                                  |__diphosphoinositol pentakisphosphate 5-kinase activity

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	phosphotransferase activity, phosphate group as acceptor inositol phosphate kinase activity
Part of
Synonyms & Secondary IDs
Synonyms
	"inositol heptakisphosphate kinase activity" EXACT "PP-IP5 kinase activity" EXACT
Secondary IDs

External Crossreferences & Linkouts
	Reactome:R-HSA-1855157 "1-PP-IP5 is phosphorylated to 1,5-(PP)2-IP4 by IP6K1/2 in the nucleus" Reactome:R-HSA-1855182 "5-PP-IP5 is phosphorylated to 1,5-(PP)2-IP4 by PPIP5K1/2 in the cytosol" Reactome:R-HSA-1855194 "1-PP-IP5 is phosphorylated to 1,5-(PP)2-IP4 by IP6K1/3 in the cytosol"