| Strain | Pseudomonas fluorescens A506 |
| GI | 387895991 |
| Locus Tag | PflA506_4898 |
| Description | coenzyme PQQ biosynthesis protein PqqF |
| Strain | Pseudomonas aeruginosa M18 |
| GI | 386059135 |
| Locus Tag | PAM18_3072 |
| Description | pyrroloquinoline quinone biosynthesis protein F |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645022 |
| Locus Tag | HCH_02204 |
| Description | M16 family peptidase (insulinase) protein |