https://www.selleckchem.com/pr....oducts/imidazole-ket
The membrane-distal end of the vrVbrKSD structure, including the α3 helix and its neighboring loops, harbors both S-nitrosylation and antibiotic-sensing sites and displays high structural flexibility and diversity. Noticeably, the distal end is partially stabilized by a disulfide bond, which is formed by the cysteine residue that is S-nitrosylated in response to nitrite. Therefore, the distal end of VbrKSD plays a key role in initiating the VbrK-VbrR TCS pathway activation, and it is involved in the nitrosylation-mediat
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