2nrg | pdb_00002nrg

Solution Structure of PufX from Rhodobacter Sphaeroides (minimised average)

spinqualitylabelsall models 2nrg, 1 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2nrg is a 1 chain structure with sequence from Rhodobacter sphaeroides. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Related: 2ita Gene: pufX (Rhodobacter sphaeroides) Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed PufX organizes the photosynthetic reaction centre-light harvesting complex 1 (RC-LH1) core complex of Rhodobacter sphaeroides and facilitates quinol/quinone exchange between the RC and cytochrome bc(1) complexes. The structure of PufX in organic solvent reveals two hydrophobic helices flanked by unstructured termini and connected by a helical bend. The proposed location of basic residues and tryptophans at the membrane interface orients the C-terminal helix along the membrane normal, with the GXXXG motifs in positions unsuitable as direct drivers of dimerisation of the RC-LH1 complex. The N-terminal helix is predicted to extend approximately 40 Anggstrom along the membrane interface. The solution structure of the PufX polypeptide from Rhodobacter sphaeroides.,Tunnicliffe RB, Ratcliffe EC, Hunter CN, Williamson MP FEBS Lett. 2006 Dec 22;580(30):6967-71. Epub 2006 Dec 4. PMID:17161397 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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