| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116051621 |
| Locus Tag | PA14_17460 |
| Description | protein-L-isoaspartate O-methyltransferase |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431927910 |
| Locus Tag | Psest_2809 |
| Description | protein-L-isoaspartate and D-aspartate O-methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644701 |
| Locus Tag | HCH_01874 |
| Description | protein-L-isoaspartate O-methyltransferase |