Is associated with a DNA binding complex that binds to the G box, a well-characterized cis-acting DNA regulatory element found in plant genes. Interacts with FD (PubMed:25661797). Interacts with CINV1 (PubMed:25256212). Translocates from the cytosol to the nucleus when phosphorylated. A number of isoforms are produced. According to EST sequences. Belongs to the 14-3-3 family.