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Proteins that regulate termination and anti-termination of transcription and their cognate ligands required for activation
| Operons | Proteins | Ligands required for activation |
|---|---|---|
| trp | TRAP | Tryptophan |
| pyr | PyrR | Uridine monophosphate |
| lac | LacT | Lactose |
| bgl | BglG | β-Glucosides |
| sac | SacT/SacY | Phosphoenol pyruvate |
| glpP | GlpP | Glycerol-3-phosphate |
| hut | HutP | L-Histidine |
