title: Structural principles of prokaryotic gene regulatory proteins and the evolution of repressors and gene activators.
authors.forename: G
authors.initials: G
authors.lastname: Prag
authors.forename: S
authors.initials: S
authors.lastname: Greenberg
authors.forename: A B
authors.initials: AB
authors.lastname: Oppenheim
mesh_terms: D004269:DNA, Bacterial / Q000378:metabolism*; D004926:Escherichia coli / Q000235:genetics*; D019077:Helix-Turn-Helix Motifs; D011387:Prokaryotic Cells; D011487:Protein Conformation; D012097:Repressor Proteins / Q000737:chemistry / Q000378:metabolism*; D015534:Trans-Activators / Q000737:chemistry / Q000378:metabolism*
chemical_list: D004269:DNA, Bacterial; D012097:Repressor Proteins; D015534:Trans-Activators