pcm:AY601_3224 K10979 DNA end-binding protein Ku | (GenBank) Non-homologous end joining protein Ku pcm:AY601_3223 K01971 bifunctional non-homologous end joining protein LigD [EC:6.5.1.1] | (GenBank) DNA ligase pcm:AY601_1166 K01061 carboxymethylenebutenolidase [EC:3.1.1.45] | (GenBank) Carboxymethylenebutenolidase