Enables PDZ domain binding activity. Predicted to be involved in negative regulation of canonical Wnt signaling pathway; protein localization to plasma membrane; and protein stabilization. Predicted to act upstream of or within Wnt signaling pathway. Predicted to be located in cytosol. Predicted to be active in plasma membrane. Orthologous to human TMEM88 (transmembrane protein 88). [provided by Alliance of Genome Resources, Apr 2022]