214D:
reference: Structure of a DNA duplex containing a single 2'-O-methyl-beta-D-araT: combined use of NMR, restrained molecular dynamics, and full relaxation matrix refinement., Gotfredsen CH, Spielmann HP, Wengel J, Jacobsen JP, Bioconjug Chem 1996 Nov-Dec;7(6):680-8. PMID: 8950487

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