2vn2 | pdb_00002vn2

Crystal structure of the N-terminal domain of DnaD protein from Geobacillus kaustophilus HTA426

spinqualitylabelsall models 2vn2, resolution 2.30Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2vn2 is a 4 chain structure with sequence from Geoka. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: MG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The DnaD is one of the primosomal proteins that are required for initiation and re-initiation of chromosomal DNA replication in Gram-positive bacteria. The DnaD protein is composed of two major structural domains: an N-terminal oligomerization domain and a C-terminal ssDNA binding domain. Here, we report the crystal structure of the N-terminal domain (aa 1-128) of DnaD (DnaDn) of Geobacillus kaustophilus HTA426 at 2.3A resolution. The structure of DnaDn reveals an extended winged-helix fold, a typical double-stranded DNA binding motif as winged-helix proteins. DnaDn formed tetramers in the crystalline state, but the results of gel filtration chromatography further indicated that this domain of DnaD was a stable dimer in solution. The structural analysis of DnaDn may suggest the binding sites for DNA and DnaB, and an assembly mechanism for Gram-positive bacterial DNA replication primosome. Crystal structure of the N-terminal domain of Geobacillus kaustophilus HTA426 DnaD protein.,Huang CY, Chang YW, Chen WT Biochem Biophys Res Commun. 2008 Oct 17;375(2):220-4. Epub 2008 Aug 12. PMID:18703019 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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