Predicted to enable cullin family protein binding activity and identical protein binding activity. Predicted to be involved in proteasome-mediated ubiquitin-dependent protein catabolic process. Predicted to be located in cytosol. Predicted to be part of Cul3-RING ubiquitin ligase complex. Predicted to be active in cytoplasm. Is expressed in genitourinary system. Orthologous to human KCTD5 (potassium channel tetramerization domain containing 5). [provided by Alliance of Genome Resources, Apr 2022]