| KEGG ID | KO | Definition |
| eoh:ECO103_2856 | putative type II site-specific deoxyribonuclease | |
| ecoo:ECRM13514_3160 | Type II restriction enzyme BsuBI | |
| eso:O3O_09100 | type II site-specific deoxyribonuclease | |
| esm:O3M_16175 | type II site-specific deoxyribonuclease | |
| esl:O3K_16200 | type II site-specific deoxyribonuclease | |
| sdy:SDY_1927 | type II site-specific deoxyribonuclease | |
| sdz:Asd1617_02598 | Type II restriction enzyme BsuBI | |
| pcr:Pcryo_2495 | Type II site-specific deoxyribonuclease | |
| tmb:Thimo_0421 | BsuBI/PstI restriction endonuclease C-terminus | |
| pve:UC34_24735 | restriction endonuclease | |
| pox:MB84_29720 | restriction endonuclease | |
| pfg:AB870_23740 | restriction endonuclease | |
| cbx:Cenrod_0155 | type II restriction enzyme | |
| nmu:NmulC_2785 | BsuBI/PstI restriction endonuclease, C-terminal | |
| shd:SUTH_00567 | methyltransferase-endonuclease | |
| sulf:CAP31_14715 | restriction endonuclease | |
| dhy:DESAM_10289 | Type-2 restriction enzyme BsuBI | |
| dol:Dole_3089 | K01155 | Type II site-specific deoxyribonuclease |
| sfu:Sfum_2533 | Type II site-specific deoxyribonuclease |