| Strain | Pseudomonas fluorescens F113 |
| GI | 378948581 |
| Locus Tag | PSF113_0638 |
| Description | cobalt-precorrin-6 synthase, anaerobic |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472323781 |
| Locus Tag | H681_03025 |
| Description | cobalt-precorrin-6A synthase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649102 |
| Locus Tag | HCH_06469 |
| Description | cobalt-precorrin-6A synthase |