The ntrBC genes of Rhizobium leguminosarum are part of a complex operon subject to negative regulation - Patriarca, E J; Riccio, A; Taté, R; Colonna-Romano, S; Iaccarino, M; Defez, R (Molecular microbiology, 1993)
Keywords: Amino Acid Sequence; Bacterial Proteins - genetics; Base Sequence; DNA-Binding Proteins - genetics; Escherichia coli Proteins; Gene Expression Regulation, Bacterial; Genes, Bacterial; Molecular Sequence Data; Nitrogen Fixation - genetics; Open Reading Frames - genetics; Operon - genetics; PII Nitrogen Regulatory Proteins; Promoter Regions, Genetic - genetics; Quaternary Ammonium Compounds - metabolism; Restriction Mapping; Rhizobium leguminosarum - genetics; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Species Specificity; Trans-Activators; Transcription Factors; Transcription, Genetic