PIK-related protein kinase and rapamycin target%3B subunit of TORC1%2C a complex that regulates growth in response to nutrients and TORC2%2C a complex that regulates cell-cycle dependent polarization of the actin cytoskeleton%3B involved in meiosis%3B TOR2 has a paralog%2C TOR1%2C that arose from the whole genome duplication