Barley HvHMA1 is a heavy metal pump involved in mobilizing organellar Zn and Cu and plays a role in metal loading into grains. oleh Maria Dalgaard Mikkelsen, Pai Pedas, Michaela Schiller, Eva Vincze, Rebecca F Mills, Søren Borg, Annette Møller, Jan K Schjoerring, Lorraine E Williams, Lone Baekgaard, Preben Bach Holm, Michael G Palmgren