SEARCH Articles Figures Tables Birks Bowman-Birk Bowman-Birk protease barley rootlet Coix BBI Bowman-Birk protease barley rootlet OsBBPIas Bowman-Birk protease barley rootlet RBTIas Bowman-Birk protease barley rootlet WIP1 variants Bowman-Birk protease barley rootlet WTI (BBI Type Bowman-Birk protease barley rootlet bsil Bowman-Birk protease barley rootlet dual function a-amylase/trypsin Rootlets