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 act upstream of or within several processes, including meiosis I; mitotic cell cycle phase transition; and regulation of transcription by RNA polymerase II. Predicted to be part of SCF ubiquitin ligase complex and cyclin-dependent protein kinase holoenzyme complex. Orthologous to human CKS2 (CDC28 protein kinase regulatory subunit 2). [provided by Alliance of Genome Resources, Apr 2022]