| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229588832 |
| Locus Tag | PFLU1300 |
| Description | protein-L-isoaspartate O-methyltransferase |
| Strain | Pseudomonas putida DOT-T1E |
| GI | 397697708 |
| Locus Tag | T1E_4972 |
| Description | protein-L-isoaspartate O-methyltransferase |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254242322 |
| Locus Tag | PA2G_03063 |
| Description | L-isoaspartate protein carboxylmethyltransferase type II |