The nucleotide sequence of the pepN gene and its over-expression in Escherichia coli
1986
Abstract The complete nucleotide sequence has been determined for the pepN gene of Escherichia coli K-12. The product of this gene, peptidase N, is apparently 870 amino acids in length. The coding sequence is followed by a tandem pair of stop codons and then a sequence capable of forming a stem-and-loop structure in the pepN mRNA. In the process of subcloning the pepN gene we constructed a plasmid which causes peptidase N to be produced at a level of 50% of total protein. The peptidase is fully active and completely soluble and these overproducing cells appear otherwise normal.
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