Protein trans-splicing of an atypical split intein showing structural flexibility and cross-reactivity.

Abstract excerpt

Inteins catalyze a protein splicing reaction to excise the intein from a precursor protein and join the flanking sequences (exteins) with a peptide bond. In a split intein, the intein fragments (I(N) and I(C)) can reassemble non-covalently to catalyze a trans-splicing reaction that joins the exteins from separate polypeptides. An atypical split intein having a very small I(N) and a large I(C) is particularly...

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