Predicted to enable ABC-type transporter activity; ATP binding activity; and ATP hydrolysis activity. Predicted to be involved in DNA damage checkpoint signaling. Predicted to be located in membrane. Predicted to be part of checkpoint clamp complex. Is an ortholog of C. elegans
hus-1. In C. elegans,
hus-1 is involved in several processes, including DNA damage response; determination of adult lifespan; and telomere maintenance.