FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term inositol-1,3,4,5,6-pentakisphosphate 2-kinase activity ID (Ontology) GO:0035299 (Gene Ontology)
Definition Catalysis of the reaction: 1D-myo-inositol 1,3,4,5,6-pentakisphosphate + ATP = 1D-myo-inositol hexakisphosphate + ADP + H+.
Also Known As "inositol pentakisphosphate 2-kinase activity"
Comment
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 Genes
 inositol-1,3,4,5,6-pentakisphosphate 2-kinase activity (all annotations which use CV term, excluding "NOT" statements)
     enables | inositol-1,3,4,5,6-pentakisphosphate 2-kinase activity
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phosphotransferase activity, alcohol group as acceptor__
inositol phosphate kinase activity______________________|
                                                        inositol pentakisphosphate kinase activity
                                                         |__inositol-1,3,4,5,6-pentakisphosphate 2-kinase activity  1 rec.
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Is a inositol pentakisphosphate kinase activity
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Synonyms
  • "inositol hexakisphosphate synthase" RELATED
    "inositol pentakisphosphate 2-kinase activity" EXACT
    "inositol polyphosphate kinase activity" RELATED[ EC:2 ]
    "inositol-pentakisphosphate 2-kinase activity" RELATED[ EC:2 ]
    "Ins(1,3,4,5,6)P5 2-kinase activity" RELATED[ EC:2 ]
    "IP5 2-kinase activity" RELATED[ EC:2 ]
Secondary IDs
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EC:2.7.1.158
KEGG_REACTION:R05202
MetaCyc:RXN-7163
Reactome:R-HSA-1855176 "I(1,3,4,5,6)P5 is phosphorylated to IP6 by IPPK (IP5-2K) in the nucleus"
Reactome:R-HSA-1855179 "I(1,3,4,5,6)P5 is phosphorylated to IP6 by IPPK in the cytosol"
RHEA:20313