3iyx | pdb_00003iyx

Coordinates of the b1b bridge-forming protein structures fitted into the Cryo-EM map of E.coli 70S ribosome (EMD-1056)

spinqualitylabelsall models 3iyx, resolution 9.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3iyx is a 3 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Related: 2i2p, 2i2t, 2wrj Resources: FirstGlance, OCA, RCSB, PDBsum 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 The ribosomal intersubunit bridges maintain the overall architecture of the ribosome and thereby play a pivotal role in the dynamics of translation. The only protein-protein bridge, b1b, is formed by the two proteins, S13 and L5 of the small and large ribosomal subunits, respectively. B1b absorbs the largest movement during ratchet-like motion, and its two proteins reorganize in different constellations during this motion of the ribosome. Our results in this study of b1b in the Escherichia coli 70S ribosome suggest that the intrinsic molecular features of the bridging proteins allow the bridge to modulate the ratchet-like motion in a controlled manner. Additionally, another large subunit protein, L31, seems to participate with S13 and L5 in the formation, dynamics, and stabilization of this bridge. Intrinsic molecular properties of the protein-protein bridge facilitate ratchet-like motion of the ribosome.,Shasmal M, Chakraborty B, Sengupta J Biochem Biophys Res Commun. 2010 Aug 20;399(2):192-197. Epub 2010 Jul 17. PMID:20643101 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Ribosomal protein L31 Ribosomal protein L5 Ribosomal protein S13

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