= RNA catalyses nuclear pre-mRNA splicing by Sebastian M. Fica and others
{c}
{tag=Work by Sebastian M. Fica}
{title2=2013}
https://snrnpsplicingbiochemlab.web.ox.ac.uk/files/fica-rnacatalysesnuclearpre-mrnasplicing-2013-naturepdf
Nature 503, 229–234 (2013), DOI 10.1038/nature12734. Author-hosted original PDF: full first-author byline Sebastian M. Fica, page 229; co-first-author contribution marked. Abstract and Figures 1–3: sulfur substitution/metal rescue in assembled yeast spliceosomes identifies U6 ligands positioning catalytic metals during both splicing reactions. No claim of protein-free splicing by the intact cellular machinery.
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