Predicted to enable adenyl-nucleotide exchange factor activity; chaperone binding activity; and ubiquitin protein ligase binding activity. Involved in several processes, including cellular response to epidermal growth factor stimulus; positive regulation of supramolecular fiber organization; and regulation of phosphate metabolic process. Predicted to be located in plasma membrane. Predicted to be active in cytosol; membrane; and nucleus. Is expressed in foregut; heart ventricle; nose; pituitary gland; and urethra. Orthologous to human BAG4 (BAG cochaperone 4). [provided by Alliance of Genome Resources, Apr 2022]