| Strain | Pseudomonas stutzeri RCH2 | 
| GI | 431928108 | 
| Locus Tag | Psest_3013 | 
| Description | cobyrinate a,c-diamide synthase | 
| Strain | Pseudomonas denitrificans ATCC 13867 | 
| GI | 472326763 | 
| Locus Tag | H681_18010 | 
| Description | cobyrinic acid a,c-diamide synthase | 
| Strain | Hahella chejuensis KCTC 2396 | 
| GI | 83649101 | 
| Locus Tag | HCH_06468 | 
| Description | cobyrinic acid a,c-diamide synthase |