| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15597210 |
| Locus Tag | PA2014 |
| Description | methylcrotonyl-CoA carboxylase, beta-subunit |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011353 |
| Locus Tag | PPUBIRD1_1759 |
| Description | Methylcrotonoyl-CoA carboxylase beta chain |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646654 |
| Locus Tag | HCH_03944 |
| Description | acetyl-CoA carboxylase carboxyltransferase subunit alpha/beta |