Predicted to enable DNA helicase activity; damaged DNA binding activity; and telomeric DNA binding activity. Predicted to be involved in double-strand break repair via nonhomologous end joining and telomere maintenance. Predicted to be located in nucleus. Predicted to be part of Ku70:Ku80 complex. Is an ortholog of C. elegans
cku-70. In C. elegans,
cku-70 is involved in DNA repair.