From: Ribonucleotide reduction - horizontal transfer of a required function spans all three domains
 | Organism | NCBI acc. nos | operon organisation | Comment |
---|---|---|---|---|
1 | Halomicrobium mukohataei DSM 12286 | NrdA: ZP_03875490 | 5'-nrdR-nrdB-nrdA-3' | Â |
 |  | NrdB: ZP_03875489 |  |  |
 |  | NrdJ: ZP_03874310 |  |  |
 |  | NrdR: ZP_03875488 |  |  |
2 | Halorubrum lacusprofundi ATCC 49239 | NrdA: YP_002564381 | 5'-nrdR-nrdB-nrdA-3' | Class I on chromosome 2 (NC_012028, 0.5 Mb), class II on chromosome 1 (NC_012029, 2.7 Mb) |
 |  | NrdB: YP_002564382 |  |  |
 |  | NrdJ: YP_002567020 |  |  |
 |  | NrdR: YP_002564383 |  |  |
3 | Natronomonas pharaonis DSM 2160 | NrdA: YP_327711 | 5'-nrdR-nrdB-nrdA-3' | Class I on plasmid (NC_007427), class II on main chromosome (NC_007426) |
 |  | NrdB: YP_327710 |  |  |
 |  | NrdJ: YP_327319 |  |  |
 |  | NrdR: YP_327708 |  |  |
4 | Halophage AAJ-2005 | NrdA: ABB77922 | 5'-nrdB-nrdA-3' | Â |
 |  | NrdB: ABB77921 |  |  |
 |  | NrdJ: ABB77927 |  |  |
5 | Salinibacter ruber DSM 13855 | NrdA: YP_444285 | 5'-nrdB-nrdA-3' | The NrdA gene contains a group I intron |
 |  | NrdB: YP_444284 |  |  |
 |  | NrdJ: YP_444446 |  |  |
6 | Halobacterium sp. NRC-1 | NrdA: NP_280998 | 5'-nrdA-nrdB-3' | Radical Y to F substitution |
 |  | NrdB: NP_280997 |  |  |
 |  | NrdJ: NP_280419 |  |  |
7 | Halobacterium salinarum R1 | NrdA: YP_001690130 | 5'-nrdA-nrdB-3' | Radical Y to F substitution Both subunits identical to Halobacterium sp. NRC-1 |
 |  | NrdB: YP_001690129 |  |  |
 |  | NrdJ: YP_001689532 |  |  |
8 | Halogeometricum borinquense DSM 11551 | NrdA: ZP_04000564 | 5'-nrdR-nrdA-nrdB-3' | Radical Y to F substitution |
 |  | NrdB: ZP_04000565 |  |  |
 |  | NrdJ: ZP_03999548 |  |  |
 |  | NrdR: ZP_04000563 |  |  |
9 | Halorhabdus utahensis DSM 12940 | NrdA: YP_003131237 | 5'-nrdR-nrdA-nrdB-3' | Radical Y to F substitution |
 |  | NrdB: YP_003131236 |  |  |
 |  | NrdD: YP_003130508 |  |  |
 |  | NrdG: YP_003130507 |  |  |
 |  | NrdJ: YP_003130199 |  |  |
 |  | NrdR: YP_003131238 |  |  |
10 | Natrialba magadii ATCC 43099 | NrdA: ZP_03692957 | 5'-nrdR-nrdA-nrdB-3 | Radical Y to F substitution |
 |  | NrdB: ZP_03692956 |  |  |
 |  | NrdJ: ZP_03694849 |  |  |
 |  | NrdR: ZP_03692958 |  |  |
11 | Chlamydia trachomatis D/UW-3/CX | NrdA: NP_220348 | 5'-nrdR-nrdA-nrdB-3 | Radical Y to F substitution |
 |  | NrdB: NP_220349 |  |  |
 |  | NrdR: NP_219916 |  |  |