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. Involved in the regulation of nutrient metabolism (PubMed:22104211). Interacts with TPK1 (PubMed:17764516). Interacts with the isocitrate dehydrogenase IDH3, and malate dehydrogenases MDH1 and MDH2 (PubMed:22104211). Interacts with DREB1A and DREB1B in the nucleus (PubMed:28344081). Interacts with CINV1 (PubMed:25256212). Translocates from the cytosol to the nucleus when phosphorylated. A number of isoforms are produced. According to EST sequences. Disturbed levels of several metabolites (e.g. beta-alanine, aspartate, pyroglutamate, glutamate, glutamine, alpha-ketoglutarate, palmitate and shikimate). Belongs to the 14-3-3 family.