Predicted to enable SUMO binding activity; mRNA 3'-UTR binding activity; and ribosome binding activity. Predicted to be involved in PML body organization and regulation of apoptotic process. Predicted to be located in cytosol and plasma membrane. Predicted to be active in cytoplasm and nucleus. Is expressed in early conceptus; oocyte; ovary; and ovary stratum granulosum. Orthologous to human SERBP1 (SERPINE1 mRNA binding protein 1). [provided by Alliance of Genome Resources, Apr 2022]