ZRANB1 (Trabid) binds and cleaves K63-linked ubiquitin chains. It is required for efficient TCF-mediated transcription in cells with high Wnt pathway activity, including colorectal cancer cell lines. ZRANB1 can deubiquitinate the APC tumor suppressor protein, a negative regulator of Wnt-mediated transcription (Tran et al. 2008).
Tran, H, Schwarz-Romond, T, Bienz, M, Hamada, F
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