CTC75, CTCBF, DNA repair protein XRCC6, G22P1, Ku 70, Ku autoantigen 70kDa, Ku autoantigen, 70kDa, Ku p70, Ku70, Kup70, TLAA, XRCC6.
Single-stranded DNA-dependent ATP-dependent helicase that plays a key role in DNA non-homologous end joining (NHEJ) by recruiting DNA-PK to DNA. Required for double-strand break repair and V(D)J recombination.