3IFJ:
reference: Selection and Structure of Hyperactive Inteins: Peripheral Changes Relayed to the Catalytic Center., Hiraga K, Soga I, Dansereau JT, Pereira B, Derbyshire V, Du Z, Wang C, Van Roey P, Belfort G, Belfort M, J Mol Biol. 2009 Sep 8. PMID: 19744499

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