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A linear relationship between electronegativity of 2′-substituents and conformation of adenine nucleosides
Abstract From the 1 H NMR studies of various 2′-substituted 2′-deoxyadenosines, a relationship between electronegativity of substituents and conformation of the sugar moiety was elucidated.
Studies of Nucleosides and Nucleotides. XXXVIII. Synthesis of 8-Bromoadenosine Nucleotides
Direct bromination of adenine nucleotides was achieved by the use of bromine-water as brominating agent in the alkaline or buffer solution. By this method 8-bromoadenosine 2-', 3'-and… Expand
Polynucleotides. XII. Synthesis and Properties of Dinucleoside Monophosphates containing 8-Bromoadenosine
Attempt to obtain 8-bromoadenylyl-(3'-5')-8-bromoadenosine (BrApBrA) (III) by the condensation of N6, O2', O3'-tribenzoyl-8-bromoadenosine 3'-phosphate (V) and 2',… Expand
Polynucleotides. LXIII. Solution conformation of oligodeoxyribonucleotides containing an alternating dC-dG sequence which can form a left-handed double helix.
To elucidate the conformational properties and their chain length dependency in solution of oligodeoxyribonucleotides containing an alternating C-G sequence, which have been shown to take a… Expand
NMR STUDIES OF A LEAD RIBOZYME AND ITS NON-CLEAVABLE ANALOGUE
Abstract The structure of a lead ribozyme, which consists of two RNA strands, at neutral pH has been studied by NMR. Nearly all resonances of imino protons, base protons (H2, H5, H6 and H8) and sugar… Expand
1H‐ and 31P‐nuclear magnetic resonance studies on the conformation of d‐(CpGpCpG)2 and d‐(CpGpCpGpCpG)2 short helices in B‐conformation
Two short DNA helices, d‐(CpGpCpG)2 and d‐(CpGpCpGpCpG)2, in dilute salt solutions have been studied thoroughly by 1H‐ and 31P‐nmr spectroscopy as model systems for the calibration of nmr theory in… Expand
Studies on the structure and stabilizing factor of the CUUCGG hairpin RNA using chemically synthesized oligonucleotides
- T. Sakata, H. Hiroaki, Y. Oda, T. Tanaka, M. Ikehara, S. Uesugi
- Biology, Computer Science
- Nucleic Acids Res.
- 11 July 1990
A tridecaribonucleotide, r-UGAGCUUCGGCUC, and two analogues r(UGAGC)d(UUCG)r(GCUC) and r-TGAGCTTCGGCTC, which form a hairpin structure with a four-base-paired stem and a UUCG loop, were synthesized by the solid-phase phosphoramidite method. Expand
Ribooligonucleotides, r(C-G-C-G) analogs containing 8-substituted guanosine residues, form left-handed duplexes with Z-form-like structure
CARBON-13 MAGNETIC RESONANCE SPECTRA OF 8-SUBSTITUTED PURINE NUCLEOSIDES. CHARACTERISTIC SHIFTS FOR THE SYN CONFORMATION