1esh | pdb_00001esh

THE SOLUTION STRUCTURE OF THE STEM LOOP C 5'AUA3' TRILOOP OF BROME MOSAIC VIRUS (+) STRAND RNA

spinqualitylabelsall models 1esh, 1 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1esh is a 1 chain structure. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed The 3' end of brome mosaic virus RNA contains a tRNA-like sequence that directs its RNA synthesis. A stem loop structure in this sequence, stem loop C (SLC), was investigated using NMR, and correlated with its ability to direct RNA synthesis by its replicase. SLC consists of two discrete domains, a flexible stem with an internal loop and a rigid stem containing a 5'-AUA-3' triloop. Efficient RNA synthesis requires the sequence on only one side of the flexible stem and a specific compact conformation of the triloop. A high resolution structure of the triloop places the 5' adenine out in solution, and the 3' adenine within the triloop, held tightly through stacking and unusual hydrogen bonds. This high resolution structure of an RNA promoter from a (+)-strand RNA virus provides new insights into how the RNA-dependent RNA polymerase binds to the RNA to initiate synthesis. RNA motifs that determine specificity between a viral replicase and its promoter.,Kim CH, Kao CC, Tinoco I Jr Nat Struct Biol. 2000 May;7(5):415-23. PMID:10802741 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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