| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472323781 |
| Locus Tag | H681_03025 |
| Description | cobalt-precorrin-6A synthase |
| Strain | Pseudomonas aeruginosa C3719 |
| GI | 254235891 |
| Locus Tag | PACG_01838 |
| Description | cobalamin biosynthetic protein CbiD |
| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77456830 |
| Locus Tag | Pfl01_0602 |
| Description | cobalt-precorrin-6A synthase |