| KEGG ID | KO | Definition |
| bbr:BB2845 | K01971 | Putative ATP-dependent DNA-ligase |
| bbm:BN115_2300 | K01971 | Putative ATP-dependent DNA-ligase |
| bbh:BN112_0647 | K01971 | Putative ATP-dependent DNA-ligase |
| bbx:BBS798_2675 | K01971 | ATP-dependent DNA ligase |
| bhz:ACR54_02552 | K01971 | Putative DNA ligase-like protein |
| pbh:AAW51_3125 | K01971 | bifunctional non-homologous end joining protein LigD |