| Role | Gene | Name | |
|---|
| Distant similarity with leukotriene C4 synthase (microsomal glutathione S-transferase) | No genes | | |
| FIG005121: SAM-dependent methyltransferase (EC 2.1.1.-) | No genes | | |
| Glutathione S-transferase (EC 2.5.1.18) | MPMX19_02098 | | |
| | MPMX19_02418 | | |
| | MPMX19_02441 | | |
| | MPMX19_02655 | | |
| | MPMX19_03958 | | |
| | MPMX19_04234 | | |
| | MPMX19_06154 | | |
| Glutathione S-transferase family protein | MPMX19_00253 | | |
| | MPMX19_06030 | | |
| Glutathione S-transferase, Streptococcal type (EC 2.5.1.18) | No genes | | |
| Glutathione S-transferase, alpha (EC 2.5.1.18) | No genes | | |
| Glutathione S-transferase, delta (EC 2.5.1.18) | No genes | | |
| Glutathione S-transferase, omega (EC 2.5.1.18) | MPMX19_03036 | | |
| | MPMX19_05004 | | |
| Glutathione S-transferase, phi (EC 2.5.1.18) | No genes | | |
| Glutathione S-transferase, theta (EC 2.5.1.18) | No genes | | |
| Glutathione S-transferase, unnamed subgroup (EC 2.5.1.18) | MPMX19_03521 | | |
| | MPMX19_03836 | | |
| Glutathione S-transferase, unnamed subgroup 2 (EC 2.5.1.18) | MPMX19_01258 | | |
| Glutathione S-transferase, zeta (EC 2.5.1.18) | No genes | | |
| Hydroxyacylglutathione hydrolase (EC 3.1.2.6) | MPMX19_03600 | | |
| | MPMX19_06029 | | |
| | MPMX19_06524 | | |
| | MPMX19_06888 | | |
| Lactoylglutathione lyase (EC 4.4.1.5) | MPMX19_01003 | | |
| | MPMX19_01462 | | |
| | MPMX19_03566 | | |
| Phytochelatin synthase (EC 2.3.2.15), bacterial type | MPMX19_05640 | | |
| Phytochelatin synthase (EC 2.3.2.15), eukaryotic type | No genes | | |
| Probable glutathione S-transferase (EC 2.5.1.18), YfcF homolog | No genes | | |
| Probable glutathione S-transferase (EC 2.5.1.18), YfcG homolog | No genes | | |
| SAM-dependent methyltransferase 2, in cluster with Hydroxyacylglutathione hydrolase (EC 3.1.2.6) | MPMX19_06028 | | |
| Similar to Hydroxyacylglutathione hydrolase, but in an organism lacking glutathione biosynthesis | No genes | | |
| Uncharacterized GST-like protein yghU associated with glutathionylspermidine synthetase/amidase | No genes | | |
| Uncharacterized GST-like protein yibF | No genes | | |
| Uncharacterized GST-like protein yncG | No genes | | |
| Uncharacterized glutathione S-transferase-like protein | No genes | | |