Serine/threonine protein kinase%3B involved in sphingolipid-mediated signaling pathway that controls endocytosis%3B activates Ypk1p and Ykr2p%2C components of signaling cascade required for maintenance of cell wall integrity%3B contains a PH-like domain%3B redundant with Pkh1p%3B PKH2 has a paralog%2C PKH1%2C that arose from the whole genome duplication