Predicted to be involved in double-strand break repair via nonhomologous end joining; immunoglobulin V(D)J recombination; and negative regulation of double-strand break repair via nonhomologous end joining. Predicted to be active in cytoplasm; nucleus; and site of double-strand break. Orthologous to human CYREN (cell cycle regulator of NHEJ). [provided by Alliance of Genome Resources, Apr 2022]