Predicted to enable damaged DNA binding activity. Predicted to be involved in several processes, including cellular response to UV; mitotic G1 DNA damage checkpoint signaling; and protein ubiquitination. Predicted to act upstream of or within DNA replication and cell division. Predicted to be located in several cellular components, including Golgi apparatus; cytosol; and nuclear speck. Predicted to be active in nucleus. Is expressed in submandibular gland primordium and thymus primordium. Orthologous to human SDE2 (SDE2 telomere maintenance homolog). [provided by Alliance of Genome Resources, Apr 2022]