| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598820 |
| Locus Tag | PA3624 |
| Description | L-isoaspartate protein carboxylmethyltransferase type II |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512620158 |
| Locus Tag | PCA10_45050 |
| Description | protein-L-isoaspartate O-methyltransferase |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28868769 |
| Locus Tag | PSPTO_1563 |
| Description | protein-L-isoaspartate O-methyltransferase |