psb:Psyr_3246 K10979 DNA end-binding protein Ku | (GenBank) Ku psb:Psyr_3245 K01971 bifunctional non-homologous end joining protein LigD [EC:6.5.1.1] | (GenBank) ATP-dependent DNA ligase LigD phosphoesterase module / ATP-dependent DNA ligase LigD polymerase module psb:Psyr_1568 no KO assigned | (GenBank) conserved hypothetical protein