Engineered recombinant enteropeptidase catalytic subunit: effect of N-terminal modification.

Abstract excerpt

Enteropeptidase (enterokinase) is a serine protease highly specific for recognition and cleavage of the target sequence of Asp-Asp-Asp-Asp-Lys (D4K). The three-dimensional structure of the enteropeptidase shows that the N-terminal amino acid is buried inside the protein providing molecular interactions necessary to maintain the conformation of the active site. To determine the influence of the N-terminal amino...

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