B-TrCP associates with phosphorylated beta-catenin through the B-TrCP WD40 repeat region. Currently, it is unclear whether the ubiquitin ligase binds beta-catenin after it leaves the complex. It is equally possible that it binds beta-catenin while beta-catenin is still bound to Axin.
Chiaur, DS, Latres, E, Pagano, M
Strack, P, Elledge, SJ, Beer-Romero, P, Chu, CY, Winston, JT, Harper, JW
© 2022 Reactome