ZNRF3: Proteins and Enzymes

The cell-surface transmembrane E3 ubiquitin ligase zinc and ring finger 3 (ZNRF3) and its homologue ring finger 43 (RNF43) are negative feedback regulators of Wnt signaling. ZNRF3 is associated with the Wnt receptor complex, and inhibits Wnt signaling by promoting the turnover of frizzled and LRP6. R-spondin may enhance Wnt signaling by inhibiting ZNRF3. ZNRF3 may be a target for therapeutic exploration.

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