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Fragment Ligands of the m6A-RNA Reader YTHDF2.


ABSTRACT: We report 17 small-molecule ligands that compete with N6-methyladenosine (m6A) for binding to the m6A-reader domain of YTHDF2 (YT521-B homology domain family 2). We determined their binding mode at high resolution by X-ray crystallography and quantified their affinity by a fluorescence-based binding assay. 6-Cyclopropyluracil and a pyrazolopyrimidine derivative have favorable ligand efficiencies of 0.47 and 0.38 kcal mol-1 per non-hydrogen atom, respectively. They represent useful starting points for hit optimization.

SUBMITTER: Nai F 

PROVIDER: S-EPMC9466600 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature

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Fragment Ligands of the m<sup>6</sup>A-RNA Reader YTHDF2.

Nai Francesco F   Nachawati Raed R   Zálešák František F   Wang Xiang X   Li Yaozong Y   Caflisch Amedeo A  

ACS medicinal chemistry letters 20220817 9


We report 17 small-molecule ligands that compete with <i>N6</i>-methyladenosine (m<sup>6</sup>A) for binding to the m<sup>6</sup>A-reader domain of YTHDF2 (YT521-B homology domain family 2). We determined their binding mode at high resolution by X-ray crystallography and quantified their affinity by a fluorescence-based binding assay. 6-Cyclopropyluracil and a pyrazolopyrimidine derivative have favorable ligand efficiencies of 0.47 and 0.38 kcal mol<sup>-1</sup> per non-hydrogen atom, respective  ...[more]

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