3w5j | pdb_00003w5j

Crystal structure of GDP-bound NfeoB from Gallionella capsiferriformans

spinqualitylabelsall models 3w5j, resolution 1.93Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3w5j is a 2 chain structure with sequence from Gallionella capsiferriformans es-2. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: GDP, GOL, SO4 Related: 3w5i Gene: Galf_2203 (Gallionella capsiferriformans ES-2) Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed FeoB is a transmembrane protein involved in ferrous iron uptake in prokaryotic organisms. FeoB comprises a cytoplasmic soluble domain termed NFeoB and a C-terminal polytopic transmembrane domain. Recent structures of NFeoB have revealed two structural subdomains: a canonical GTPase domain and a five-helix helical domain. The GTPase domain hydrolyses GTP to GDP through a well characterized mechanism, a process which is required for Fe(2+) transport. In contrast, the precise role of the helical domain has not yet been fully determined. Here, the structure of the cytoplasmic domain of FeoB from Gallionella capsiferriformans is reported. Unlike recent structures of NFeoB, the G. capsiferriformans NFeoB structure is highly unusual in that it does not contain a helical domain. The crystal structures of both apo and GDP-bound protein forms a domain-swapped dimer. Structure of an atypical FeoB G-domain reveals a putative domain-swapped dimer.,Deshpande CN, McGrath AP, Font J, Guilfoyle AP, Maher MJ, Jormakka M Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013 Apr 1;69(Pt 4):399-404., doi: 10.1107/S1744309113005939. Epub 2013 Mar 29. PMID:23545645 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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