Phosphatidylinositol 4-phosphate 3-kinase C2 domain-containing subunit beta (PIK3C2B)

Phosphorylates PtdIns and PtdIns4P with a preference for PtdIns.

Does not phosphorylate PtdIns(4,5)P2.

May be involved in EGF and PDGF signaling cascades. .