Enables protein kinase binding activity. Acts upstream of or within positive regulation of transcription, DNA-templated. Located in cytoplasm; female pronucleus; and male pronucleus. Part of cyclin A2-CDK2 complex. Is expressed in several structures, including alimentary system; central nervous system; early conceptus; genitourinary system; and sensory organ. Orthologous to human CCNA2 (cyclin A2). [provided by Alliance of Genome Resources, Apr 2022]