1V18: The Crystal Structure Of Beta-Catenin Armadillo Repeat Complexed With A Phosphorylated Apc 20mer Repeat.
reference: Mechanism of phosphorylation-dependent binding of APC to beta-catenin and its role in beta-catenin degradation., Ha NC, Tonozuka T, Stamos JL, Choi HJ, Weis WI, Mol Cell. 2004 Aug 27;15(4):511-21. PMID: 15327768

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).