Phosphatidylinositol 3,5-bisphosphate
= Phosphatidylinositol 3,5-bisphosphate
{title2=$\mathrm{PI}(3,5)\mathrm P_2$}
<phosphatidylinositol 3,5-bisphosphate> is a doubly phosphorylated <phosphoinositide> involved in later endolysosomal organization and function. Perturbing it need not imply that initial surface uptake is defective.