229d | pdb_0000229d

DNA ANALOG OF YEAST TRANSFER RNA PHE ANTICODON DOMAIN WITH MODIFIED BASES 5-METHYL CYTOSINE AND 1-METHYL GUANINE

spinqualitylabelsall models 229d, 1 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 229d is a 1 chain structure. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. NonStd Res: 5CM, MG1, UMP Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum Publication Abstract from PubMed Design of biologically active DNA analogues of the yeast tRNA(Phe) anticodon domain, tDNAPheAC, required the introduction of a d(m5C)-dependent, Mg(2+)-induced structural transition and the d(m1G) disruption of an intra-loop dC.dG base pair. The modifications were introduced at residues corresponding to m5C-40 and wybutosine-37 in tRNA(Phe). Modified tDNAPheAC inhibited translation by 50% at a tDNAPheAC:ribosome ratio of 8:1. The molecule's structure has been determined by NMR spectroscopy and restrained molecular dynamics with an overall r.m.s.d. of 2.8 A and 1.7 A in the stem, and is similar to the tRNA(Phe) anticodon domain in conformation and dimensions. The tDNAPheAC structure may provide a guide for the design of translation inhibitors as potential therapeutic agents. Design, biological activity and NMR-solution structure of a DNA analogue of yeast tRNA(Phe) anticodon domain.,Basti MM, Stuart JW, Lam AT, Guenther R, Agris PF Nat Struct Biol. 1996 Jan;3(1):38-44. PMID:8548453 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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