Unexpectedly stable homopurine parallel triplex of SNA:RNA*SNA and l-aTNA:RNA*l-aTNA
Literature Information
Publication Date
2023-12-21
DOI
10.1039/D3CC05555H
Impact Factor
6.222
Authors
Siyuan Lao, Jumpei Ariyoshi, Fuminori Sato, Hiroyuki Asanuma
View Original
Abstract
Homopurine strands are known to form antiparallel triplexes stabilized by G*G and A*A Hoogsteen pairs, which have two hydrogen bonds. But there has been no report on the parallel triplex formation of homopurine involving both adenosine and guanosine to the duplex. In this paper, we first report parallel triplex formation between a homopurine serinol nucleic acid (SNA) strand and an RNA/SNA duplex. Melting profiles revealed that the parallel SNA:RNA*SNA triplex was remarkably stable, even though the A*A pair has a single hydrogen bond. An L-acyclic threoninol nucleic acid (L-aTNA) homopurine strand also formed a stable parallel triplex with an L-aTNA/RNA duplex.
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Source Journal
Chemical Communications
CiteScore:
8.6
Self-citation Rate:
4.7%
Articles per Year:
2458
ChemComm publishes urgent research which is of outstanding significance and interest to experts in the field, while also appealing to the journal’s broad chemistry readership. Our communication format is ideally suited to short, urgent studies that are of such importance that they require accelerated publication. Our scope covers all topics in chemistry, and research at the interface of chemistry and other disciplines (such as materials science, nanoscience, physics, engineering and biology) where there is a significant novelty in the chemistry aspects. Major topic areas covered include: Analytical Chemistry Catalysis Chemical Biology and medicinal chemistry Computational Chemistry and Machine Learning Energy and sustainable chemistry Environmental Chemistry Green Chemistry Inorganic Chemistry Materials Chemistry Nanoscience Organic Chemistry Physical Chemistry Polymer Chemistry Supramolecular Chemistry
Recommended Compounds
2-(3'-Chlorobiphenyl-3-yl)-4,6-diphenyl-1,3,5-triazine
CAS Number:
1443049-83-9
Molecular Formula:
C27H18ClN3
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