期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 2, 页码 832-835出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja2099326
关键词
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资金
- NSF
- Institute of Materials Research at Ohio State University
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [0927778] Funding Source: National Science Foundation
We have designed a 21-residue alpha-peptide that simultaneously recognizes two decadeoxyoligothymidine (dT(10)) tracts to form triplexes with a peptide DNA strand ratio of 1:2. The synthetic peptide side chain displays 10 melamine rings, which provide a bifacial thymine-recognition interface along the length of the 21-residue peptide. Recognition is selective for thymine over other nucleobases and drives the formation of ternary peptide center dot[dT(10)](2) complexes as well as heterodimeric peptide center dot[dT(10)C(10)T(10)] hairpin structures with triplex stems.
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