smt:Smal_0025 K10979 DNA end-binding protein Ku | (GenBank) Ku protein smt:Smal_0026 K01971 bifunctional non-homologous end joining protein LigD [EC:6.5.1.1] | (GenBank) DNA ligase D smt:Smal_2606 no KO assigned | (GenBank) transcriptional regulator, TetR family