PAS domains in bacterial signal transduction
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Updated: Nov 15, 2025

DNA-affinity-purified Chip DAP-chip Method to Determine Gene Targets for Bacterial Two component Regulatory Systems
Published on: July 21, 2014
Erwin C Stuffle1, Mark S Johnson1, Kylie J Watts1
1Division of Microbiology and Molecular Genetics, Alumni Hall for Basic Sciences, Loma Linda University, Loma Linda, CA, 92350, USA.
Abstract:
PAS domains are widespread, versatile domains found in proteins from all kingdoms of life. The PAS fold is composed of an antiparallel β-sheet with several flanking α-helices, and contains a conserved cleft for cofactor or ligand binding. The last few years have seen a prodigious increase in identified PAS domains and resolved PAS structures, including structures with effector and other domains. New bacterial PAS ligands have been discovered, and structure-function studies have improved our understanding of PAS signaling mechanisms. The list of bacterial PAS functions has now expanded to include roles in signal sensing, modulation, transduction, dimerization, protein interaction, and cellular localization.
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