| [E] Aspergillus fumigatus | ASPFU03820 | Q4WYX3 | deoxycytidine triphosphate deaminase, putative |
| [A] Hyperthermus butylicus (strain DSM 5456 / JCM 9403) | HYPBU00827 | A2BL47 | Deoxycytidine deaminase |
| [A] Archaeoglobus fulgidus | ARCFU01086 | DUT_ARCFU | Probable deoxyuridine 5'-triphosphate nucleotidohydrolase |
| [A] Haloarcula marismortui | HALMA01915 | Q5V0F0 | probable deoxyuridine 5'-triphosphate nucleotidohydrolase |
| [A] Halobacterium salinarium | HALSA01967 | DUT_HALSA | Probable deoxyuridine 5'-triphosphate nucleotidohydrolase |
| [A] Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1) | HALS302037 | DUT_HALS3 | Putative dCTP deaminase |
| [A] Haloquadratum walsbyi (strain DSM 16790) | HALWD02181 | Q18FN9 | probable dCTP deaminase |
| [A] Halorubrum lacusprofundi (strain ATCC 49239 / DSM 5036 / JCM 8891 / ACAM 34) | HALLT00096 | B9LQV1 | Deoxyuridine 5'-triphosphate nucleotidohydrolase |
| [A] Natronomonas pharaonis (strain DSM 2160 / ATCC 35678) | NATPD00475 | Q3ITG5 | probable dCTP deaminase (EC 3.5.4.13) 2 |
| [A] Methanococcus aeolicus (strain Nankai-3 / ATCC BAA-1280) | META301355 | A6UWS6 | Deoxycytidine triphosphate deaminase, putative |
| [A] Methanococcus maripaludis | METMP01075 | Q6LYB6 | DUTP diphosphatase |
| [A] Methanococcus maripaludis (strain C5 / ATCC BAA-1333) | METM500510 | A4FX99 | DUTP diphosphatase |
| [A] Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | METM601569 | A9AAM3 | DeoxyUTP pyrophosphatase |
| [A] Methanococcus maripaludis (strain C7 / ATCC BAA-1331) | METM700325 | A6VG22 | DUTP diphosphatase |
| [A] Methanococcus vannielii (strain SB / ATCC 35089 / DSM 1224) | METVS00388 | A6UP84 | DeoxyUTP pyrophosphatase |
| [A] Methanosaeta thermophila (strain DSM 6194 / PT) | METTP01100 | A0B888 | deoxyUTP pyrophosphatase PFAM: deoxyUTP pyrophosphatase KEGG: mma:MM1628 deoxycytidine triphosphate deaminase |
| [A] Methanococcoides burtonii (strain DSM 6242) | METBU00816 | DUT_METBU | DeoxyUTP pyrophosphatase |
| [A] Methanosarcina acetivorans | METAC00427 | DUT_METAC | Probable deoxyuridine 5'-triphosphate nucleotidohydrolase |
| [A] Methanosarcina barkeri (strain Fusaro / DSM 804) | METBF00728 | DUT_METBF | dCTP deaminase |
| [A] Methanosarcina mazei | METMA01602 | DUT_METMA | Probable deoxyuridine 5'-triphosphate nucleotidohydrolase |
| [A] Uncultured methanogenic archaeon RC-I | UNCMA01091 | Q0W397 | putative dUTP pyrophosphatase |
| [B] Dehalococcoides ethenogenes (strain 195) | DEHE100358 | Q3Z9D9 | identified by similarity to SP:O67539 deoxyuridine 5'-triphosphate nucleotidohydrolase |
| [B] Dehalococcoides sp. (strain BAV1) | DEHSB00373 | A5FS50 | Deoxycytidine deaminase-like protein |
| [B] Dehalococcoides sp. (strain CBDB1) | DEHSC00301 | Q3ZZG0 | deoxyuridine 5'-triphosphatenucleotidohydrolase |
| [B] Thermomicrobium roseum (strain ATCC 27502 / DSM 5159 / P-2) | THERP02329 | B9L3P4 | Deoxyuridine 5'-triphosphate nucleotidohydrolase |