|Other names||sn-1-stearoyl-2-arachidonoyl phosphatidylinositol 3-phosphate|
|Except where noted otherwise, data are given for|
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
The majority of PtdIns3P appears to be constitutively synthesised by the class III PI 3-kinase, Vps34 at endocytic membranes. Class II PI 3-kinases also appear to synthesise PtdIns3P, their activity however appears to be regulated by a range of stimuli, including growth factors. This suggests that specific pools of PtdIns3P may be synthesised upon cell stimulation.
PtdIns3P in cell membranes helps to recruit a range of proteins, many of which are involved in protein trafficking.
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