| Strain | Pseudomonas putida BIRD-1 |
| GI | 386010087 |
| Locus Tag | PPUBIRD1_0465 |
| Description | Histidine triad (HIT) protein |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431928717 |
| Locus Tag | Psest_3643 |
| Description | HIT family hydrolase, diadenosine tetraphosphate hydrolase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643646 |
| Locus Tag | HCH_00759 |
| Description | diadenosine tetraphosphate (Ap4A) hydrolase-like protein |