| [B] Tropheryma whipplei (strain Twist) | TROWT00619 | NTPA_TROWT | unknown |
| [B] Chlamydia muridarum | CHLMU00879 | NTPA_CHLMU | identified by match to TIGR protein family HMM TIGR00042 hypothetical protein |
| [B] Chlorobaculum parvum (strain NCIB 8327) | CHLP801669 | B3QQ94 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [B] Chlorobium tepidum | CHLTE00328 | NTPA_CHLTE | Nucleoside-triphosphatase |
| [B] Chlorobium phaeobacteroides (strain BS1) | CHLPB01775 | B3ELU4 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [B] Prosthecochloris vibrioformis (strain DSM 265) | PROVI00485 | A4SDF6 | non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family TIGRFAM: non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family PFAM: Ham1 family protein KEGG: plt:Plut_0445 Ham1-like protein |
| [B] Synechococcus sp. (strain WH7803) | SYNPW00277 | A5GID8 | HAM1 NTPase family protein |
| [B] Prochlorococcus marinus (strain MIT 9215) | PROM200303 | A8G2U0 | Xanthosine triphosphate pyrophosphatase |
| [B] Prochlorococcus marinus (strain MIT 9301) | PROM000304 | A3PB01 | Xanthosine triphosphate pyrophosphatase COG127 Xanthosine triphosphate pyrophosphatase [Nucleotide transport and metabolism] |
| [B] Prochlorococcus marinus (strain MIT 9312) | PROM900289 | Q31CQ3 | HAM1 protein homolog |
| [B] Prochlorococcus marinus (strain MIT 9515) | PROM500312 | A2BUR0 | Xanthosine triphosphate pyrophosphatase COG127 Xanthosine triphosphate pyrophosphatase [Nucleotide transport and metabolism] |
| [B] Pelotomaculum thermopropionicum (strain DSM 13744 / JCM 10971 / SI) | PELTS00783 | A5D467 | Nucleoside-triphosphatase |
| [B] Beijerinckia indica subsp. indica (strain ATCC 9039 / DSM 1715 / NCIB 8712) | BEII900767 | B2IH15 | Ham1 family protein |
| [B] Methylobacterium extorquens (strain PA1) | METEP00391 | A9VZR8 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family |
| [B] Wigglesworthia glossinidia brevipalpis | WIGBR00078 | NTPA_WIGBR | Unknown function |
| [B] Mycoplasma capricolum subsp. capricolum (strain California kid / ATCC 27343 / NCTC 10154) | MYCCT00347 | Q2SSB6 | non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family This proteins is 31% identical to the characterized E. coli RdgB, which is a pyrophosphatases active against non-standard purines NTPs. E. coli RdgB appears to act by intercepting non-canonical deoxyribonucleotide triphosphates from replication precursor pools; identified by similarity to SP:P94558; match to protein family HMM PF01725; match to protein family HMM TIGR00042 |
| [B] Petrotoga mobilis (strain DSM 10674 / SJ95) | PETMO01838 | A9BIC4 | Nucleoside-triphosphatase |
| [B] Methylokorus infernorum (strain V4) | METI401112 | NTPA_METI4 | Xanthosine triphosphate pyrophosphatase |