Predicted to enable cullin family protein binding activity. Predicted to be involved in proteasome-mediated ubiquitin-dependent protein catabolic process. Predicted to be part of Cul3-RING ubiquitin ligase complex. Predicted to be active in cytoplasm. Orthologous to human KCTD2 (potassium channel tetramerization domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]