On kit (Promega); 10 mL of radiolabeled protein was added to the reaction, and samples were resolved by SDS-PAGE, dried, and exposed to a phosphor-imaging screen.Plant Material and Growth ConditionsArabidopsis (Arabidopsis thaliana) T-DNA insertional knockout lines for Tric1 (SALK_031707, SALK_112126, and At3g49560) and Tric2 (SALK_136525, SALK_149871, and At5g24650) were obtained from ABRC and sc