The FKBP42, TWISTED DWARF1, prioritizes auxin over brassinosteroid transport by peptidyl-prolyl cis-trans isomerization of ABCB1
Tashi Tsering, Francesca Romana Iacobini, Jennifer L. Sapia…·Markus M. Geisler
The paper shows TWD1 enhances IAA transport by isomerizing the E1007-P1008 bond in ABCB1, while not affecting BL transport, revealing a mechanism that prioritizes auxin over brassinosteroid transport.