6qil | pdb_00006qil

The complex structure of hsRosR-S1 (VNG0258H/RosR-S1)

spinqualitylabelsall models 6qil, resolution 2.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6qil is a 8 chain structure with sequence from Halobacterium salinarum NRC-1. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2Å Ligands: MES, MN, SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q9HSF4_HALSA Publication Abstract from PubMed Interactions between proteins and DNA are crucial for all biological systems. Many studies have shown the dependence of protein-DNA interactions on the surrounding salt concentration. How these interactions are maintained in the hypersaline environments that halophiles inhabit remains puzzling. Towards solving this enigma, we identified the DNA motif recognized by the Halobactrium salinarum ROS-dependent transcription factor (hsRosR), determined the structure of several hsRosR-DNA complexes and investigated the DNA-binding process under extreme high-salt conditions. The picture that emerges from this work contributes to our understanding of the principles underlying the interplay between electrostatic interactions and salt-mediated protein-DNA interactions in an ionic environment characterized by molar salt concentrations. Specificity of protein-DNA interactions in hypersaline environment: structural studies on complexes of Halobacterium salinarum oxidative stress-dependent protein hsRosR.,Kutnowski N, Shmulevich F, Davidov G, Shahar A, Bar-Zvi D, Eichler J, Zarivach R, Shaanan B Nucleic Acids Res. 2019 Jul 16. pii: 5532612. doi: 10.1093/nar/gkz604. PMID:31310308 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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