An autism spectrum disorder mutation in Topoisomerase 3B causes accumulation of covalent mRNA intermediates by disrupting metal binding within the zinc finger domain
Julia E. Warrick, Durga Attili, Trevor van Eeuwen, Benjamin Pastore, Sarah E. Hoffmann-Weitsman, Nicholas C Forsyth, Wen Tang, Sami J. Barmada, Michael G. Kearse
This study shows that an autism-linked TOP3B mutation causes mRNA covalent intermediates by disrupting metal binding in the zinc finger domain, leading to neuronal toxicity.
Nucleic Acids Research · Oct 15, 2025Peer-reviewedBiochemistry