4zms

Structure of the full-length response regulator spr1814 in complex with a phosphate analogue and B3C

spinqualitylabelsall models 4zms, resolution 1.90Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4zms is a 2 chain structure with sequence from Strr6. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 4QT, BEF, MG Related: 4zmr Gene: rr11, spr1814 (STRR6) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Spr1814 of Streptococcus pneumoniae is a response regulator (RR) that belongs to the NarL/FixJ subfamily and has a four-helix helix-turn-helix DNA-binding domain. Here, the X-ray crystal structure of the full-length spr1814 in complex with a phosphate analogue beryllium fluoride (BeF3(-)) was determined at 2.0 A. This allows for a structural comparison with the previously reported full-length unphosphorylated spr1814. The phosphorylation of conserved aspartic acid residue of N-terminal receiver domain triggers a structural perturbation at the alpha4-beta5-alpha5 interface, leading to the domain reorganization of spr1814, and this is achieved by a rotational change in the C-terminal DNA-binding domain. Structural characterization of the full-length response regulator spr1814 in complex with a phosphate analogue reveals a novel conformational plasticity of the linker region.,Park AK, Lee JH, Chi YM, Park H Biochem Biophys Res Commun. 2016 Apr 29;473(2):625-9. doi:, 10.1016/j.bbrc.2016.03.144. Epub 2016 Mar 30. PMID:27038544 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Response regulator 3D structure

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