title: The sigma 70 family: sequence conservation and evolutionary relationships.
authors.affiliation: Department of Bacteriology, University of Wisconsin, Madison 53706.
authors.forename: M
authors.initials: M
authors.lastname: Lonetto
authors.forename: M
authors.initials: M
authors.lastname: Gribskov
authors.forename: C A
authors.initials: CA
authors.lastname: Gross
mesh_terms: D000595:Amino Acid Sequence; D005075:Biological Evolution; D008969:Molecular Sequence Data; D016415:Sequence Alignment; D012808:Sigma Factor / Q000737:chemistry / Q000145:classification
chemical_list: D012808:Sigma Factor