Predicted to enable protein homodimerization activity. Predicted to be involved in endoplasmic reticulum to Golgi vesicle-mediated transport and intracellular signal transduction. Predicted to be located in perinuclear region of cytoplasm. Predicted to be active in cytoplasm and endomembrane system. Orthologous to human NRBP1 (nuclear receptor binding protein 1). [provided by Alliance of Genome Resources, Apr 2022]