2fz1 | pdb_00002fz1

Structure of Empty Head Turnip Yellow Mosaic Virus (ATC) at 100 K

spinqualitylabelsall models 2fz1, resolution 2.90Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2fz1 is a 3 chain structure with sequence from Turnip yellow mosaic virus (Australian isolate). Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.9Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function COAT_TYMVA 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 Difference electron density maps, based on structure factor amplitudes and experimental phases from crystals of wild-type turnip yellow mosaic virus and those of empty capsids prepared by freeze-thawing, show a large portion of the encapsidated RNA to have an icosahedral distribution. Four unique segments of base-paired, double-helical RNA, one to two turns in length, lie between 33-A and 101-A radius and are organized about either 2-fold or 5-fold icosahedral axes. In addition, single-stranded loops of RNA invade the pentameric and hexameric capsomeres where they contact the interior capsid surface. The remaining RNA, not seen in electron density maps, must serve as connecting links between these secondary structural elements and is likely icosahedrally disordered. The distribution of RNA observed crystallographically appears to be in agreement with models based on biochemical data and secondary structural analyses. The RNA of turnip yellow mosaic virus exhibits icosahedral order.,Larson SB, Lucas RW, Greenwood A, McPherson A Virology. 2005 Apr 10;334(2):245-54. PMID:15780874 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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