Phosphatidylinositol 3,4-bisphosphate
= Phosphatidylinositol 3,4-bisphosphate
{title2=$\mathrm{PI}(3,4)\mathrm P_2$}
<phosphatidylinositol 3,4-bisphosphate> has phosphates at positions 3 and 4 of the inositol ring. Local production can contribute to timed recruitment of endocytic membrane-remodeling factors.