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CATH Classification

Domain Context

CATH Clusters

Superfamily Endonuclease/exonuclease/phosphatase
Functional Family phosphatidylinositol 3,4,5-trisphosphate 5-phosphatase 1

Enzyme Information

3.1.3.86
Phosphatidylinositol-3,4,5-trisphosphate 5-phosphatase.
based on mapping to UniProt O15357
1-phosphatidyl-1D-myo-inositol 3,4,5-triphosphate + H(2)O = 1-phosphatidyl-1D-myo-inositol 3,4-diphosphate + phosphate.
-!- This enzyme hydrolyzes phosphatidylinositol-3,4,5-trisphosphate (PtdIns(3,4,5)P(3)) to produce PtdIns(3,4)P(2), thereby negatively regulating the PI3K (phosphoinositide 3-kinase) pathways. -!- The enzyme also shows activity toward PtdIns(1,3,4,5)P(4). -!- The enzyme is involved in several signal transduction pathways in the immune system leading to an adverse range of effects. -!- Formerly EC 3.1.3.n1.

UniProtKB Entries (1)

O15357
SHIP2_HUMAN
Homo sapiens
Phosphatidylinositol 3,4,5-trisphosphate 5-phosphatase 2

PDB Structure

PDB 4A9C
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
A Synthetic Polyphosphoinositide Headgroup Surrogate in Complex with Ship2 Provides a Rationale for Drug Discovery.
Mills, S.J., Persson, C., Cozier, G., Thomas, M.P., Tresaugues, L., Erneux, C., Riley, A.M., Nordlund, P., Potter, B.V.L.
Acs Chem.Biol.
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