Predicted to enable several functions, including ATP binding activity; metal ion binding activity; and ubiquitin protein ligase binding activity. Predicted to be involved in microtubule cytoskeleton organization; protein ubiquitination; and regulation of mitotic nuclear division. Predicted to be located in cytosol. Predicted to be part of cullin-RING ubiquitin ligase complex. Is expressed in several structures, including brain; retina nuclear layer; and testis. Orthologous to human CUL9 (cullin 9). [provided by Alliance of Genome Resources, Apr 2022]