passages.id: split_1_test_3095_passage
passages.type: progene_text
passages.text: Members of this subfamily have an amino - terminal phosphorylation domain characteristic of so - called two - component regulators , such as OmpR , CheY , PhoB , and NtrC , and a carboxyl - terminal domain conserved among many transcriptional activators , including LuxR and MalT .