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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Highly efficient protein trans-splicing by a naturally split DnaE intein from Nostoc punctiforme.

Protein trans-splicing by the naturally split intein of the gene dnaE from Nostoc punctiforme (Npu DnaE) was demonstrated here with non-native exteins in Escherichia coli. Npu DnaE possesses robust trans-splicing activity with an efficiency of > 98%, which is superior to that of the DnaE intein from Synechocystis sp. strain PCC6803 (Ssp DnaE). Both the N- and C-terminal parts of the split Npu DnaE intein can be substituted with the corresponding fragment of Ssp DnaE without loss of trans-splicing activity. Protein splicing with the Npu DnaEN is also more tolerant of amino acid substitutions in the C-terminal extein sequence.[1]


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