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The small RNA, ArcZ (previously RyhA/SraH), was discovered in several genome-wide screens in Escherichia coli and Salmonella. Its high degree of genomic conservation, its frequent recovery by shotgun sequencing, and its association with the RNA chaperone, Hfq, identified ArcZ as an abundant enteroba...
ORGANISM(S): Salmonella enterica 
Crosslinking mass spectrometry was applied to investigate protein contacts and dramatic structural rearrangements triggered by HelD binding to RNAP. Four complexes RNAPΔδΔHelD , RNAPΔδΔHelD-δ, RNAPΔδΔHelD-HelD and RNAPΔδΔHelD-δ-HelD were assembled using RNAP purified from B. subtilis ΔhelDΔropE stra...
ORGANISM(S): Cellular Organisms 
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