2l8c

NMR Spectroscopy and Molecular Dynamics Simulation of r(CCGCUGCGG)2 Reveal a Dynamic UU Internal Loop Found in Myotonic Dystrophy Type 1 - UU pair with zero hydrogen bond pairs

spinqualitylabelsall models 2l8c, 1 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2l8c is a 2 chain structure. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed The NMR structure of an RNA with a copy of the 5'CUG/3'GUC motif found in the triplet repeating disorder myotonic dystrophy type 1 (DM1) is disclosed. The lowest energy conformation of the UU pair is a single-hydrogen bond structure; however, the UU protons undergo exchange indicating structural dynamics. Molecular dynamics simulations show that the single hydrogen bond structure is the most populated one but the UU pair interconverts among zero, one, and two hydrogen bond pairs. These studies have implications for the recognition of the DM1 RNA by small molecules and proteins. NMR Spectroscopy and Molecular Dynamics Simulation of r(CCGCUGCGG)(2) Reveal a Dynamic UU Internal Loop Found in Myotonic Dystrophy Type 1.,Parkesh R, Fountain M, Disney MD Biochemistry. 2011 Feb 8;50(5):599-601. Epub 2011 Jan 13. PMID:21204525 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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