| Strain | Pseudomonas stutzeri A1501 | 
| GI | 146281898 | 
| Locus Tag | PST_1524 | 
| Description | carboxylesterase | 
| Strain | Pseudomonas fluorescens A506 | 
| GI | 387892506 | 
| Locus Tag | PflA506_1285 | 
| Description | carboxylesterase | 
| Strain | Hahella chejuensis KCTC 2396 | 
| GI | 83642967 | 
| Locus Tag | HCH_00055 | 
| Description | beta-lactamase class C and other penicillin binding protein |