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含1,2-二胺基胸腺嘧啶类似物的双链体的合成及其金属离子结合特性

Synthesis and Metal-Ion Binding Properties of Duplexes Containing Thymine Analogs with 1,2-Diamine Groups.

作者信息

Atsugi Takahiro, Fujiwara Shoji, Kondo Jiro, Ono Akira

机构信息

Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, 221-8686, Japan.

Department of Biochemistry and Biotechnology, Faculty of Chemistry and Biochemistry, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, 221-8686, Japan.

出版信息

Chembiochem. 2025 Jun 3;26(11):e202500017. doi: 10.1002/cbic.202500017. Epub 2025 Apr 4.

DOI:10.1002/cbic.202500017
PMID:40148252
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12135124/
Abstract

Thymidine analogue with a 1,2-diamino side chain at the 3N position is synthesized and converted into an amidite unit for oligonucleotide synthesis. It is used for preparing oligonucleotides containing a 1,2-diamino side chain as X residue. Thermal denaturation studies are performed on a duplex containing an X-X pair in the presence and absence of metal ions. Among various metal ions used in this research, Cd(II), Co(II), Cu(II), Ni(II), and Zn(II) ions increased the duplex stability. The results prove the new strategy to design metallo-base pairs containing various metal ions.

摘要

合成了在3N位置带有1,2-二氨基侧链的胸苷类似物,并将其转化为用于寡核苷酸合成的亚磷酰胺单元。它用于制备含有1,2-二氨基侧链作为X残基的寡核苷酸。在有和没有金属离子存在的情况下,对含有X-X对的双链体进行热变性研究。在本研究中使用的各种金属离子中,Cd(II)、Co(II)、Cu(II)、Ni(II)和Zn(II)离子提高了双链体的稳定性。结果证明了设计含有各种金属离子的金属碱基对的新策略。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/f7e2a09af22a/CBIC-26-e202500017-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/f206439c8b2d/CBIC-26-e202500017-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/1b3ab380d677/CBIC-26-e202500017-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/5a9eef80aa32/CBIC-26-e202500017-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/bd94983082cc/CBIC-26-e202500017-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/23968e09fc2b/CBIC-26-e202500017-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/548af34c308f/CBIC-26-e202500017-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/33c7e312c090/CBIC-26-e202500017-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/f7e2a09af22a/CBIC-26-e202500017-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/f206439c8b2d/CBIC-26-e202500017-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/1b3ab380d677/CBIC-26-e202500017-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/5a9eef80aa32/CBIC-26-e202500017-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/bd94983082cc/CBIC-26-e202500017-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/23968e09fc2b/CBIC-26-e202500017-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/548af34c308f/CBIC-26-e202500017-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/33c7e312c090/CBIC-26-e202500017-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d432/12135124/f7e2a09af22a/CBIC-26-e202500017-g006.jpg

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