1gav | pdb_00001gav

BACTERIOPHAGE GA PROTEIN CAPSID

spinqualitylabelsall models 1gav, resolution 3.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1gav is a 45 chain structure with sequence from Bpga. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum Function [COAT_BPGA] Forms the phage shell; binds to the phage RNA. Publication Abstract from PubMed The three-dimensional structure of the small T=3 RNA bacteriophage GA has been determined at 3.4 A resolution. The structure was solved by molecular replacement, using the phage MS2 as an initial model. A comparison of the protein shells of the four related phages GA, MS2, fr and Qbeta was carried out in order to define structural features of particular importance for their assembly and specific RNA interaction. A high degree of similarity was found in the RNA binding sites, whereas larger structural differences are located in the loop regions of the coat proteins, especially in the FG loops forming 5-fold and quasi-6-fold contacts. The overall arrangement of the protein subunits in the shells of these phages is very similar, although the details of the interactions differ. The few conserved interactions are suggested to govern the subunit packing during assembly. The crystal structure of bacteriophage GA and a comparison of bacteriophages belonging to the major groups of Escherichia coli leviviruses.,Tars K, Bundule M, Fridborg K, Liljas L J Mol Biol. 1997 Sep 5;271(5):759-73. PMID:9299325 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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