Predicted to enable several functions, including cyclin-dependent protein serine/threonine kinase activator activity; histone binding activity; and ubiquitin binding activity. Predicted to be involved in regulation of mitotic cell cycle. Predicted to be part of SCF ubiquitin ligase complex and cyclin-dependent protein kinase holoenzyme complex. Orthologous to human CKS1B (CDC28 protein kinase regulatory subunit 1B). [provided by Alliance of Genome Resources, Apr 2022]