| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598103 |
| Locus Tag | PA2907 |
| Description | precorrin-6y-dependent methyltransferase CobL |
| Strain | Pseudomonas mendocina NK-01 |
| GI | 330505816 |
| Locus Tag | MDS_4902 |
| Description | precorrin-6y C5,15-methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649106 |
| Locus Tag | HCH_06474 |
| Description | precorrin-6Y C5,15-methyltransferase (decarboxylating) |