6t51

NMR structure of KRAS22RT G-quadruplex forming within KRAS promoter region at physological temperature

spinqualitylabelsall models 6t51, 10 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6t51 is a 1 chain structure. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: K Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Single stranded guanine rich DNA (or RNA) sequences adopt noncanonical secondary structures called G-quadruplexes (G4). Functionally, quadruplexes control gene transcription and regulate activities such as replication, gene recombination or alternative splicing. Hence they are potential targets for cancer, neuronal, and viral related diseases. KRAS is one of the most mutated oncogenes in the genome of cancer cells and contains a nuclease hypersensitive element (NHE) sequence capable of forming G-quadruplexes via its six runs of guanines. In our work, we are interested in the NMR structure of the major G4 scaffold formed in the KRAS NHE region with a mutated sequence of 22 residues. Here, we report (1)H, (13)C and (15)N chemical shift assignments the G4 formed within KRAS22RT sequence. (1)H, (13)C, and (15)N chemical shift assignments of a G-quadruplex forming sequence within the KRAS proto-oncogene promoter region.,Marquevielle J, Kumar MVV, Mergny JL, Salgado GF Biomol NMR Assign. 2018 Apr;12(1):123-127. doi: 10.1007/s12104-017-9793-0. Epub, 2017 Nov 30. PMID:29189986 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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