| [A] Sulfolobus acidocaldarius | SULAC01458 | HIS2_SULAC | phosphoribosyl-ATP pyrophosphatase |
| [A] Sulfolobus islandicus (strain L.S.2.15 / Lassen #1) | SULIL01479 | HIS2_SULIL | |
| [A] Sulfolobus islandicus (strain M.14.25 / Kamchatka #1) | SULIM01382 | HIS2_SULIM | |
| [A] Sulfolobus islandicus (strain M.16.27) | SULIA01494 | HIS2_SULIA | |
| [A] Sulfolobus islandicus (strain M.16.4 / Kamchatka #3) | SULIK01489 | HIS2_SULIK | Phosphoribosyl-ATP pyrophosphatase |
| [A] Sulfolobus islandicus (strain Y.G.57.14 / Yellowstone #1) | SULIY01486 | HIS2_SULIY | |
| [A] Sulfolobus islandicus (strain Y.N.15.51 / Yellowstone #2) | SULIN01178 | HIS2_SULIN | |
| [A] Sulfolobus solfataricus | SULSO00542 | HIS2_SULSO | Phosphoribosyl-ATP pyrophosphatase |
| [A] Sulfolobus solfataricus (strain 98/2) | SULS901535 | D0KT10 | Phosphoribosyl-ATP diphosphatase |
| [A] Sulfolobus tokodaii | SULTO01584 | NP_377426.1 | hypothetical phosphoribosyl-AMP cyclohydrolase |
| [A] Halorhabdus utahensis (strain DSM 12940 / JCM 11049 / AX-2) | HALUD01399 | C7NNR4 | Phosphoribosyl-ATP diphosphatase |
| [B] Bacillus anthracis | BACAN01312 | HIS2_BACAN | Phosphoribosyl-ATP pyrophosphatase |
| [B] Bacillus cereus (strain AH187) | BACC701400 | HIS2_BACC7 | Phosphoribosyl-ATP pyrophosphatase |
| [B] Bacillus cereus (strain AH820) | BACC001405 | HIS2_BACC0 | Phosphoribosyl-ATP pyrophosphatase |
| [B] Bacillus cereus (strain ATCC 14579 / DSM 31) | BACCR01280 | HIS2_BACCR | Phosphoribosyl-ATP pyrophosphatase |
| [B] Bacillus cereus (strain B4264) | BACC401333 | HIS2_BACC4 | Phosphoribosyl-ATP pyrophosphatase |
| [B] Bacillus cereus (strain G9842) | BACC201298 | HIS2_BACC2 | Phosphoribosyl-ATP pyrophosphatase |
| [B] Bacillus thuringiensis (strain Al Hakam) | BACAH01191 | ABK84617.1 | phosphoribosyl-ATP pyrophosphatase |
| [B] Bacillus weihenstephanensis (strain KBAB4) | BACWK01312 | HIS2_BACWK | Phosphoribosyl-ATP pyrophosphohydrolase |
| [B] Listeria innocua | LISIN00568 | HIS2_LISIN | Phosphoribosyl-ATP pyrophosphatase |
| [B] Listeria monocytogenes | LISMO00557 | HIS2_LISMO | Phosphoribosyl-ATP pyrophosphatase |
| [B] Listeria welshimeri serovar 6b (strain ATCC 35897 / DSM 20650 / SLCC5334) | LISW600527 | HIS2_LISW6 | HisE protein |
| [B] Clostridium beijerinckii (strain ATCC 51743 / NCIMB 8052) | CLOB801308 | A6LT24 | Phosphoribosyl-ATP pyrophosphohydrolase |
| [B] Clostridium botulinum (strain ATCC 19397 / Type A) | CLOB101507 | HIS2_CLOB1 | Phosphoribosyl-ATP pyrophosphohydrolase |
| [B] Clostridium botulinum (strain Alaska E43 / type E3) | CLOBA02535 | B2UX18 | Phosphoribosyl-ATP diphosphatase |
| [B] Clostridium botulinum (strain Hall / ATCC 3502 / NCTC 13319 / Type A) | CLOBH01559 | HIS2_CLOBH | Phosphoribosyl-ATP pyrophosphatase |
| [B] Clostridium novyi (strain NT) | CLONN00176 | HIS2_CLONN | phosphoribosyl-ATP pyrophosphohydrolase identified by match to protein family HMM PF01503 |
| [B] Pelotomaculum thermopropionicum (strain DSM 13744 / JCM 10971 / SI) | PELTS02489 | HIS2_PELTS | Phosphoribosyl-ATP pyrophosphohydrolase |
| [B] Lactobacillus fermentum (strain IFO 3956 / LMG 18251) | LACF300750 | HIS2_LACF3 | Phosphoribosyl-ATP pyrophosphatase |
| [B] Leuconostoc mesenteroides subsp. mesenteroides (strain ATCC 8293 / NCDO 523) | LEUMM01467 | HIS2_LEUMM | Phosphoribosyl-ATP pyrophosphohydrolase |
| [B] Streptococcus sanguinis (strain SK36) | STRSV01361 | HIS2_STRSV | Phosphoribosyl-ATP pyrophosphohydrolase, putative |
| [B] Streptococcus thermophilus (strain ATCC BAA-491 / LMD-9) | STRTD00983 | HIS2_STRTD | Phosphoribosyl-ATP pyrophosphohydrolase |
| [B] Rhodopseudomonas palustris | RHOPA04691 | HIS22_RHOPA | Phosphoribosyl-ATP pyrophosphatase 2 |
| [B] Rhodopseudomonas palustris (strain TIE-1) | RHOPT05107 | B3QC73 | Phosphoribosyl-ATP diphosphatase |
| [B] Geobacter sulfurreducens | GEOSL03043 | HIS2_GEOSL | Phosphoribosyl-ATP pyrophosphatase |
| [B] Pelobacter propionicus (strain DSM 2379) | PELPD02907 | HIS2_PELPD | phosphoribosyl-ATP pyrophosphohydrolase PFAM: MazG nucleotide pyrophosphohydrolase; phosphoribosyl-ATP pyrophosphohydrolase KEGG: gme:Gmet_0390 phosphoribosyl-ATP pyrophosphohydrolase |