Epitranscriptomic mRNA modifications affect gene expression, with their altered balance detected in various cancers. YTHDF proteins contain the YTH reader domain recognizing the m6A mark on mRNA and represent valuable drug targets. Crystallographic structures have been determined for all three family members; however, discrepancies are present in the organization of the m6A-binding pocket. Here, we present new crystallographic structures of the YTH domain of YTHDF1, accompanied by computational studies, showing that this domain can exist in different stable conformations separated by a significant energetic barrier. During the transition, additional conformations are explored, with peculiar druggable pockets appearing and offering new opportunities for the design of YTH-interfering small molecules.

Pliability in the m6A-Binding Region Extends Druggability of YTH Domains / Cazzanelli, Giulia; Dalle Vedove, Andrea; Spagnolli, Giovanni; Terruzzi, Luca; Colasurdo, Enrica; Boldrini, Alberto; Patsilinakos, Alexandros; Sturlese, Mattia; Grottesi, Alessandro; Biasini, Emiliano; Provenzani, Alessandro; Quattrone, Alessandro; Lolli, Graziano. - In: JOURNAL OF CHEMICAL INFORMATION AND MODELING. - ISSN 1549-960X. - 64:5(2024), pp. 1682-1690. [10.1021/acs.jcim.4c00051]

Pliability in the m6A-Binding Region Extends Druggability of YTH Domains

Cazzanelli, Giulia;Dalle Vedove, Andrea;Spagnolli, Giovanni;Boldrini, Alberto;Biasini, Emiliano;Provenzani, Alessandro;Quattrone, Alessandro;Lolli, Graziano
2024-01-01

Abstract

Epitranscriptomic mRNA modifications affect gene expression, with their altered balance detected in various cancers. YTHDF proteins contain the YTH reader domain recognizing the m6A mark on mRNA and represent valuable drug targets. Crystallographic structures have been determined for all three family members; however, discrepancies are present in the organization of the m6A-binding pocket. Here, we present new crystallographic structures of the YTH domain of YTHDF1, accompanied by computational studies, showing that this domain can exist in different stable conformations separated by a significant energetic barrier. During the transition, additional conformations are explored, with peculiar druggable pockets appearing and offering new opportunities for the design of YTH-interfering small molecules.
2024
5
Cazzanelli, Giulia; Dalle Vedove, Andrea; Spagnolli, Giovanni; Terruzzi, Luca; Colasurdo, Enrica; Boldrini, Alberto; Patsilinakos, Alexandros; Sturles...espandi
Pliability in the m6A-Binding Region Extends Druggability of YTH Domains / Cazzanelli, Giulia; Dalle Vedove, Andrea; Spagnolli, Giovanni; Terruzzi, Luca; Colasurdo, Enrica; Boldrini, Alberto; Patsilinakos, Alexandros; Sturlese, Mattia; Grottesi, Alessandro; Biasini, Emiliano; Provenzani, Alessandro; Quattrone, Alessandro; Lolli, Graziano. - In: JOURNAL OF CHEMICAL INFORMATION AND MODELING. - ISSN 1549-960X. - 64:5(2024), pp. 1682-1690. [10.1021/acs.jcim.4c00051]
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