7jl6

Heme binding to SrrB PAS domain plays a role in redox regulation of S. aureus SrrAB two-component system

spinqualitylabelsall models 7jl6, resolution 2.10Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7jl6 is a 2 chain structure with sequence from Staphylococcus aureus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.1Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function SRRB_STAAU Member of the two-component regulatory system SrrA/SrrB, which is involved in the global regulation of staphylococcal virulence factors in response to environmental oxygen levels as well as biofilm formation. Plays also an essential role in host-derived nitric oxide resistance by regulating hmp/flavohemoglobin, an enzyme that detoxifies nitric oxide by converting it to nitrate. Functions as a sensor protein kinase which is autophosphorylated at a histidine residue and transfers its phosphate group to SrrA. In turn, SrrA binds to the upstream promoter regions of the target genes to positively and negatively regulate their expression.[UniProtKB:Q5HFT1]

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