| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598820 |
| Locus Tag | PA3624 |
| Description | L-isoaspartate protein carboxylmethyltransferase type II |
| Strain | Pseudomonas sp. UW4 |
| GI | 426408030 |
| Locus Tag | PputUW4_01117 |
| Description | protein-L-isoaspartate O-methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644701 |
| Locus Tag | HCH_01874 |
| Description | protein-L-isoaspartate O-methyltransferase |