| [E] Yarrowia lipolytica | YARLI05836 | Q6CDL9 | similar to tr|Q8L968 Arabidopsis thaliana Putative HAM1 protein, hypothetical start |
| [E] Ashbya gossypii | ASHGO00658 | Q752Z9 | Syntenic homolog of Saccharomyces cerevisiae YJR069C (HAM1) AFR425Cp |
| [E] Kluyveromyces lactis | KLULA04668 | Q6CV82 | similar to sp|P47119 Saccharomyces cerevisiae YJR069c HAM1 controls 6-N-hydroxylaminopurine sensitivity and mutagenesis singleton, start by similarity |
| [E] Candida glabrata | CANGA01206 | Q6FUV2 | similar to uniprot|P47119 Saccharomyces cerevisiae YJR069c HAM1; |
| [A] Ignicoccus hospitalis (strain KIN4/I / DSM 18386 / JCM 14125) | IGNH400179 | NTPA_IGNH4 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Hyperthermus butylicus (strain DSM 5456 / JCM 9403) | HYPBU00417 | NTPA_HYPBU | Nucleoside-triphosphatase |
| [A] Nitrosopumilus maritimus (strain SCM1) | NITMS01526 | A9A4X2 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Sulfolobus acidocaldarius | SULAC00784 | Q4JAG3 | nucleoside-triphosphatase |
| [A] Sulfolobus islandicus (strain L.S.2.15 / Lassen #1) | SULIL01632 | C3MQY6 | |
| [A] Sulfolobus islandicus (strain M.14.25 / Kamchatka #1) | SULIM01523 | C3MWX4 | |
| [A] Sulfolobus islandicus (strain M.16.27) | SULIA01631 | C3N6P1 | |
| [A] Sulfolobus islandicus (strain Y.G.57.14 / Yellowstone #1) | SULIY01733 | C3N754 | |
| [A] Sulfolobus islandicus (strain Y.N.15.51 / Yellowstone #2) | SULIN01027 | C3NGI1 | |
| [A] Sulfolobus solfataricus | SULSO00388 | C5SVA2 | HAM1 protein |
| [A] Caldivirga maquilingensis (strain DSMZ 13496 / IC-167) | CALMQ01935 | A8MC06 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Archaeoglobus fulgidus | ARCFU02202 | O28046 | HAM1 protein |
| [A] Methanobrevibacter smithii (strain PS / ATCC 35061 / DSM 861) | METS301184 | A5UMH2 | Xanthosine triphosphate pyrophosphatase, Ham1 family |
| [A] Methanosphaera stadtmanae (strain DSM 3091) | METST00011 | Q2NIA7 | putative xanthosine triphosphate pyrophosphatase COG0127, pfam01725, cd00515 |
| [A] Methanobacterium thermoautotrophicum | METTH01389 | O27475 | Conserved protein |
| [A] Methanocaldococcus jannaschii | METJA00230 | NTPA_METJA | Nucleoside-triphosphatase |
| [A] Methanococcus aeolicus (strain Nankai-3 / ATCC BAA-1280) | META300826 | A6UV97 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Methanococcus maripaludis | METMP00214 | Q6M0Q5 | Nucleotide triphosphatase |
| [A] Methanococcus maripaludis (strain C5 / ATCC BAA-1333) | METM501439 | A4FZX3 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | METM600729 | A9A883 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Methanococcus maripaludis (strain C7 / ATCC BAA-1331) | METM701204 | A6VIK3 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Methanococcus vannielii (strain SB / ATCC 35089 / DSM 1224) | METVS01195 | A6URK5 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [A] Methanospirillum hungatei (strain JF-1 / DSM 864) | METHJ02727 | Q2FS42 | Ham1-like protein |
| [A] Methanococcoides burtonii (strain DSM 6242) | METBU01072 | Q12WQ9 | Ham1-like protein |
| [A] Methanosarcina acetivorans | METAC03534 | NTPA_METAC | Nucleoside-triphosphatase |
| [A] Methanosarcina barkeri (strain Fusaro / DSM 804) | METBF00265 | Q46FT0 | nucleoside-triphosphatase |
| [A] Methanosarcina mazei | METMA00596 | NTPA_METMA | Nucleoside-triphosphatase |
| [A] Pyrococcus furiosus | PYRFU00247 | NTPA_PYRFU | HAM1 protein homolog |
| [A] Picrophilus torridus | PICTO00588 | Q6L1H9 | Nucleoside-triphosphatase |
| [B] Borrelia afzelii (strain PKo) | BORAP00249 | NTPA_BORAP | Hypothetical protein |
| [B] Borrelia burgdorferi | BORBU00247 | NTPA_BORBU | similar to GB:L77117 SP:Q57679 PID:1590963 percent identity: 40.96; identified by sequence similarity; putative conserved hypothetical protein |
| [B] Borrelia burgdorferi (strain ZS7) | BORBZ00236 | NTPA_BORBZ | Nucleoside-triphosphatase |
| [B] Borrelia duttonii (strain Ly) | BORDL00241 | NTPA_BORDL | RdgB/HAM1 protein |
| [B] Borrelia garinii | BORGA00244 | NTPA_BORGA | HAM1 protein homolog |
| [B] Borrelia hermsii (strain DAH) | BORHD00237 | B2RZV7 | Nucleoside-triphosphatase |
| [B] Borrelia recurrentis (strain A1) | BORRA00232 | NTPA_BORRA | RdgB/HAM1 protein |
| [B] Borrelia turicatae (strain 91E135) | BORT900239 | A1QZ42 | Nucleoside-triphosphatase |