5axf

Crystal Structure Analysis of DNA Duplexes containing sulfoamide-bridged nucleic acid (SuNA-NMe)

spinqualitylabelsall models 5axf, resolution 1.13Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5axf is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. NonStd Res: LST Related: 5axe Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed A sulfonamide-bridged nucleic acid without an N-substituent (SuNA[NH]) was successfully synthesized. A comparison of the SuNA[NMe]- and SuNA[NH]-modified oligonucleotides revealed that the duplex-forming abilities of the SuNA[NMe]-modified oligonucleotides with complementary DNA and RNA were higher than those of the SuNA[NH]-modified oligonucleotides. The crystal structures of DNA duplexes containing a SuNA[NR] revealed that the helical structures of the two duplexes and hydration patterns around the bridge moiety were different. These results provide insights into hydration patterns and rationale for the high RNA affinity of SuNA-modified oligonucleotides. Effect of an N-substituent in sulfonamide-bridged nucleic acid (SuNA) on hybridization ability and duplex structure.,Mitsuoka Y, Aoyama H, Kugimiya A, Fujimura Y, Yamamoto T, Waki R, Wada F, Tahara S, Sawamura M, Noda M, Hari Y, Obika S Org Biomol Chem. 2016 Jul 6;14(27):6531-8. doi: 10.1039/c6ob01051b. PMID:27296230 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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