Predicted to enable 1-phosphatidylinositol 4-kinase activity. Predicted to be involved in Golgi organization; endosome organization; and phosphatidylinositol phosphate biosynthetic process. Predicted to be located in endosome; plasma membrane; and trans-Golgi network. Is an ortholog of human PI4K2A (phosphatidylinositol 4-kinase type 2 alpha) and PI4K2B (phosphatidylinositol 4-kinase type 2 beta).