| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431928108 |
| Locus Tag | Psest_3013 |
| Description | cobyrinate a,c-diamide synthase |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501681936 |
| Locus Tag | PFLCHA0_c45030 |
| Description | cobyrinic acid A,C-diamide synthase CobB |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649101 |
| Locus Tag | HCH_06468 |
| Description | cobyrinic acid a,c-diamide synthase |