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Deploying solid-phase synthesis to access thymine-containing nucleoside analogs that inhibit DNA repair nuclease SNM1A. 2023

Christine A Arbour, and Ellen M Fay, and Joanna F McGouran, and Barbara Imperiali
Department of Biology and Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. imper@mit.edu.

Nucleoside analogs show useful bioactive properties. A versatile solid-phase synthesis that readily enables the diversification of thymine-containing nucleoside analogs is presented. The utility of the approach is demonstrated with the preparation of a library of compounds for analysis with SNM1A, a DNA damage repair enzyme that contributes to cytotoxicity. This exploration provided the most promising nucleoside-derived inhibitor of SNM1A to date with an IC50 of 12.3 μM.

UI MeSH Term Description Entries
D009705 Nucleosides Purine or pyrimidine bases attached to a ribose or deoxyribose. (From King & Stansfield, A Dictionary of Genetics, 4th ed) Nucleoside,Nucleoside Analog,Nucleoside Analogs,Analog, Nucleoside,Analogs, Nucleoside
D004260 DNA Repair The removal of DNA LESIONS and/or restoration of intact DNA strands without BASE PAIR MISMATCHES, intrastrand or interstrand crosslinks, or discontinuities in the DNA sugar-phosphate backbones. DNA Damage Response
D005090 Exodeoxyribonucleases A family of enzymes that catalyze the exonucleolytic cleavage of DNA. It includes members of the class EC 3.1.11 that produce 5'-phosphomonoesters as cleavage products. DNA Exonucleases,Exonucleases, DNA
D013941 Thymine One of four constituent bases of DNA. 5-Methyluracil,5 Methyluracil
D060327 Solid-Phase Synthesis Techniques Techniques used to synthesize chemicals using molecular substrates that are bound to a solid surface. Typically a series of reactions are conducted on the bound substrate that results in either the covalent attachment of specific moieties or the modification of existing function groups. These techniques offer an advantage to those involving solution reactions in that the substrate compound does not have to be isolated and purified between the reaction steps. Solid-Phase Synthesis,Peptide Synthesis, Solid-Phase,Solid-Phase Nucleotide Synthesis,Solid-Phase Nucleotide Synthesis Techniques,Solid-Phase Peptide Synthesis,Solid-Phase Peptide Synthesis Techniques,Solid-Phase Synthesis Methods,Synthesis, Solid-Phase,Method, Solid-Phase Synthesis,Methods, Solid-Phase Synthesis,Nucleotide Syntheses, Solid-Phase,Nucleotide Synthesis, Solid-Phase,Peptide Syntheses, Solid-Phase,Peptide Synthesis, Solid Phase,Solid Phase Nucleotide Synthesis,Solid Phase Nucleotide Synthesis Techniques,Solid Phase Peptide Synthesis,Solid Phase Peptide Synthesis Techniques,Solid Phase Synthesis,Solid Phase Synthesis Methods,Solid Phase Synthesis Techniques,Solid-Phase Nucleotide Syntheses,Solid-Phase Peptide Syntheses,Solid-Phase Syntheses,Solid-Phase Synthesis Method,Solid-Phase Synthesis Technique,Syntheses, Solid-Phase,Syntheses, Solid-Phase Nucleotide,Syntheses, Solid-Phase Peptide,Synthesis Method, Solid-Phase,Synthesis Methods, Solid-Phase,Synthesis Technique, Solid-Phase,Synthesis Techniques, Solid-Phase,Synthesis, Solid Phase,Synthesis, Solid-Phase Nucleotide,Synthesis, Solid-Phase Peptide,Technique, Solid-Phase Synthesis,Techniques, Solid-Phase Synthesis

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