heh:L3i23_09030 K10979 DNA end-binding protein Ku | (GenBank) ku; non-homologous end joining protein Ku heh:L3i23_09020 K01971 bifunctional non-homologous end joining protein LigD [EC:6.5.1.1] | (GenBank) ATP-dependent DNA ligase heh:L3i23_04950 no KO assigned | (GenBank) cyclase