1pyh | pdb_00001pyh

Crystal structure of RC-LH1 core complex from Rhodopseudomonas palustris

spinqualitylabelsall models 1pyh, resolution 4.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1pyh is a 34 chain structure with sequence from Rhodopseudomonas palustris. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: BCL, BPH, FE NonStd Res: UNK Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed The crystal structure at 4.8 angstrom resolution of the reaction center-light harvesting 1 (RC-LH1) core complex from Rhodopseudomonas palustris shows the reaction center surrounded by an oval LH1 complex that consists of 15 pairs of transmembrane helical alpha- and beta-apoproteins and their coordinated bacteriochlorophylls. Complete closure of the RC by the LH1 is prevented by a single transmembrane helix, out of register with the array of inner LH1 alpha-apoproteins. This break, located next to the binding site in the reaction center for the secondary electron acceptor ubiquinone (UQB), may provide a portal through which UQB can transfer electrons to cytochrome b/c1. Crystal structure of the RC-LH1 core complex from Rhodopseudomonas palustris.,Roszak AW, Howard TD, Southall J, Gardiner AT, Law CJ, Isaacs NW, Cogdell RJ Science. 2003 Dec 12;302(5652):1969-72. PMID:14671305 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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