| Strain | Pseudomonas mendocina NK-01 |
| GI | 330505429 |
| Locus Tag | MDS_4515 |
| Description | gamma-glutamyltransferase |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397687582 |
| Locus Tag | PSJM300_12395 |
| Description | gamma-glutamyltransferase |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28868015 |
| Locus Tag | PSPTO_0787 |
| Description | gamma-glutamyltranspeptidase |