Rho factor: transcription termination in four steps.
Rho factor is a hexameric ring-shaped helicase which terminates transcription in Escherichia coli. Two recent crystal structures of Rho in complex with nucleic acid reveal how this helicase ring loads onto mRNA and encircles it.
D004926:Escherichia coli / Q000235:genetics*; D008954:Models, Biological; D020365:RNA Helicases / Q000737:chemistry / Q000378:metabolism; D012329:RNA, Bacterial / Q000096:biosynthesis / Q000235:genetics; D012234:Rho Factor / Q000737:chemistry / Q000378:metabolism*; D014158:Transcription, Genetic
D012329:RNA, Bacterial; D012234:Rho Factor; D020365:RNA Helicases