Tcf4 can specifically recognize beta-catenin using alternative conformations.
Graham, T.A., Ferkey, D.M., Mao, F., Kimelman, D., Xu, W.(2001) Nat Struct Biol 8: 1048-1052
- PubMed: 11713475 
- DOI: 10.1038/nsb718
- Primary Citation of Related Structures:  
1JDH - PubMed Abstract: 
Accumulation of the Wnt pathway effector beta-catenin is a hallmark of a number of cancers, including colon cancer. As beta-catenin accumulates in the cell, it forms a complex with Tcf family transcription factors and activates the transcription of sever ...