FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity ID (Ontology) GO:0016316 (Gene Ontology)
Definition Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate + H2O = 1-phosphatidyl-1D-myo-inositol 3-phosphate + phosphate.
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Genes (FBgn)GO_MOLECULAR_FUNCTION
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 phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity (all annotations which use CV term, excluding "NOT" statements)
     enables | phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity
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phosphatidylinositol bisphosphate phosphatase activity
 |__phosphatidylinositol-3,4-bisphosphate phosphatase activity__
phosphatidylinositol phosphate phosphatase activity             |
 |__phosphatidylinositol phosphate 4-phosphatase activity_______|
                                                                phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity  1 rec.
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Is a phosphatidylinositol phosphate 4-phosphatase activity
phosphatidylinositol-3,4-bisphosphate phosphatase activity
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Synonyms
  • "1-phosphatidyl-1D-myo-inositol-3,4-bisphosphate 4-phosphohydrolase activity" RELATED[ EC:3 ]
    "inositol polyphosphate 4-phosphatase type II activity" RELATED[ EC:3 ]
Secondary IDs
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EC:3.1.3.66
MetaCyc:3.1.3.66-RXN
Reactome:R-HSA-1676162 "PI(3,4)P2 is dephosphorylated to PI3P by INPP4A/B at the early endosome membrane"
Reactome:R-HSA-1676164 "PI(3,4)P2 is dephosphorylated to PI3P by INPP4A/B at the plasma membrane"
RHEA:17193