| Strain | Pseudomonas protegens Pf-5 |
| GI | 70728447 |
| Locus Tag | PFL_1065 |
| Description | DNA polymerase III subunit chi |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512687387 |
| Locus Tag | PP4_43300 |
| Description | DNA polymerase III chi subunit |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254242523 |
| Locus Tag | PA2G_03274 |
| Description | DNA polymerase III, chi subunit |