chih:GWR21_20545 K10979 DNA end-binding protein Ku | (GenBank) Ku protein chih:GWR21_20550 K01971 bifunctional non-homologous end joining protein LigD [EC:6.5.1.1] | (GenBank) ligD; DNA ligase D chih:GWR21_06595 no KO assigned | (GenBank) DUF2892 domain-containing protein