WebNtrC functions by enhancing the isomerization of the closed to open complex of σ54 RNA polymerase at the glnA promoter. NtrC acts as an apoactivator and binds to the enhancer; the apoactivator is phosphorylated by a specific … WebNov 9, 1999 · NtrC (nitrogen regulatory protein C) is a bacterial enhancer-binding protein of 469 residues that activates transcription by σ 54-holoenzyme.A region of its transcriptional activation (central) domain that is highly conserved among homologous activators of σ 54-holoenzyme—residues 206–220—is essential for interaction with this RNA polymerase: it …
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WebNov 30, 2016 · However, role of NtrC family of transcription factor in regulation of iron metabolism and sensing has not been identified. In this study, we show that the Xcc XibR (an NtrC family of response regulator) is involved in global regulation of functions involved in iron uptake, storage and virulence in response to changes in iron availability. WebMar 22, 2024 · NTRC plays a pivotal role in chloroplast redox regulation, being necessary for the activity of diverse thioredoxins with unrelated functions. Title: … irish jokes free
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WebNtrC functions by enhancing the isomerization of the closed to open complex of σ 54 -RNA polymerase at the glnA promoter. NtrC acts as an apoactivator which is phosphorylated by a specific protein kinase, called NtrB, to become an activator. WebNov 8, 2024 · ANTR-C functions as an electron donor for plastidial 2-Cys peroxiredoxins and represents the NADPH-dependent thioredoxin/thioredoxin reductase system in … WebIn contrast, RpoN sigma (σ 54), involved in expression of nitrogen-related genes and also other cellular functions, requires an enhancer (or activator) protein, such as NtrC, for transcription initiation. In this study, a series of gSELEX screenings were performed to search for promoters recognized by the RpoN RNAP holoenzyme in the presence ... port 8002 was already in use