1P8K:
reference: Structural and biochemical analyses of DNA and RNA binding by a bifunctional homing endonuclease and group I intron splicing factor., Bolduc JM, Spiegel PC, Chatterjee P, Brady KL, Downing ME, Caprara MG, Waring RB, Stoddard BL, Genes Dev 2003 Dec 1;17(23):2875-88. Epub 2003 Nov 21. PMID: 14633971

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