| Strain | Pseudomonas mendocina NK-01 |
| GI | 330503877 |
| Locus Tag | MDS_2963 |
| Description | coenzyme PQQ biosynthesis protein PqqF |
| Strain | Pseudomonas aeruginosa NCGM2.S1 |
| GI | 386065874 |
| Locus Tag | NCGM2_2945 |
| Description | pyrroloquinoline quinone biosynthesis protein F |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645022 |
| Locus Tag | HCH_02204 |
| Description | M16 family peptidase (insulinase) protein |