| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596473 |
| Locus Tag | PA1276 |
| Description | cobalamin biosynthetic protein CobC |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501681933 |
| Locus Tag | PFLCHA0_c45000 |
| Description | threonine-phosphate decarboxylase CobC |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649095 |
| Locus Tag | HCH_06461 |
| Description | histidinol-phosphate/aromatic aminotransferase and cobyric acid decarboxylase |