| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598820 |
| Locus Tag | PA3624 |
| Description | L-isoaspartate protein carboxylmethyltransferase type II |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324713 |
| Locus Tag | H681_07715 |
| Description | protein-L-isoaspartate O-methyltransferase |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70728587 |
| Locus Tag | PFL_1205 |
| Description | protein-L-isoaspartate O-methyltransferase |