3.2.1.147 thioglucosidase myrosin cell - 3.2.1.147 thioglucosidase myrosin cell of the embryo axis and the cotyledons 3.2.1.147 thioglucosidase myrosin cell exclusively localized to the interior of the myrosin grains 3.2.1.147 thioglucosidase myrosin cell myrosin cells are different from companion cells and the glucosinolate-containing S-cells