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Yen-Chywan Liaw

Researcher at University of Illinois at Urbana–Champaign

Publications -  9
Citations -  287

Yen-Chywan Liaw is an academic researcher from University of Illinois at Urbana–Champaign. The author has contributed to research in topics: Base pair & DNA. The author has an hindex of 8, co-authored 9 publications receiving 283 citations.

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Antitumor drug nogalamycin binds DNA in both grooves simultaneously: molecular structure of nogalamycin-DNA complex.

TL;DR: The three-dimensional molecular structures of the complexes between an interesting antitumor drug, nogalamycin, and two DNA hexamers, d[CGT(pS)ACG] and d[m5C GT( pS)Am5CG], were determined at high resolution by X-ray diffraction analyses to suggest that nogAlamycin may prefer GC sequences embedded in a stretch of AT sequences.
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Cyclic diguanylic acid behaves as a host molecule for planar intercalators.

TL;DR: A cage‐like model consisting of a tetrameric c‐(GpGp) aggregate in which a large cavity is generated to afford a binding site for certain planar intercalators (‘guests’) is proposed.
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Effects of the O2' hydroxyl group on Z-DNA conformation: structure of Z-RNA and (araC)-[Z-DNA].

TL;DR: The left-handed Z structures of two hexamers containing ribose and arabinose residues have been solved by X-ray diffraction analysis at 1.5-A resolution and the potential biological roles of the modified Z-DNA containing anticancer nucleoside araC and of Z-RNA are discussed.
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Facile formation of a crosslinked adduct between DNA and the daunorubicin derivative MAR70 mediated by formaldehyde: molecular structure of the MAR70-d(CGTnACG) covalent adduct.

TL;DR: The three-dimensional structure of the 2:1 adduct between MAR70 and d(CGTnACG) suggests that placing a reactive functional group at the N3' amino position of daunorubicin might be a fruitful route for designing anticancer drugs.
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NMR studies on the binding of antitumor drug nogalamycin to DNA hexamer d(CGTACG)

TL;DR: The interactions between a novel antitumor drug nogalamycin with the self-complementary DNA hexamer d(CGTACG) have been studied by 500 MHz two dimensional proton nuclear magnetic resonance spectroscopy.