3BO4: A Relaxed Active Site Following Exon Ligation By A Group I Intron
reference: A relaxed active site after exon ligation by the group I intron., Lipchock SV, Strobel SA, Proc Natl Acad Sci U S A. 2008 Apr 15;105(15):5699-704. Epub 2008 Apr 11. PMID: 18408159

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