Predicted to enable cyclin-dependent protein serine/threonine kinase regulator activity and identical protein binding activity. Predicted to contribute to ubiquitin protein ligase activity. Predicted to be involved in negative regulation of triglyceride metabolic process; positive regulation of transcription by RNA polymerase II; and protein ubiquitination. Part of mediator complex. Is expressed in central nervous system; limb; and retina. Orthologous to human CCNC (cyclin C). [provided by Alliance of Genome Resources, Apr 2022]