INPP5D
Lua error in Module:Infobox_gene at line 33: attempt to index field 'wikibase' (a nil value). Phosphatidylinositol-3,4,5-trisphosphate 5-phosphatase 1 is an enzyme that in humans is encoded by the INPP5D gene.[1][2][3] INPP5D also called SHIP1 was also shown to be a negative regulator of BCR signalling in B cells.[4]
This gene is a member of the inositol polyphosphate-5-phosphatase (INPP5) family and encodes a protein with an N-terminal SH2 domain, an inositol phosphatase domain, and two C-terminal protein interaction domains. Expression of this protein is restricted to hematopoietic cells where its movement from the cytosol to the plasma membrane is mediated by tyrosine phosphorylation. At the plasma membrane, the protein hydrolyzes the 5' phosphate from phosphatidylinositol (3,4,5)-trisphosphate and inositol-1,3,4,5-tetrakisphosphate, thereby affecting multiple signaling pathways. Overall, the protein functions as a negative regulator of myeloid cell proliferation and survival. Alternate transcriptional splice variants, encoding different isoforms, have been characterized.[3]
Interactions
INPP5D has been shown to interact with DOK2,[5] LYN,[6] CD22,[7] Grb2,[8] CRKL,[9] CD31,[10] DOK1[5][11] and SHC1.[1][5][12][13][14]
References
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Further reading
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