Application

Endoproteinase Asp-N from Pseudomonas fragi mutant strain has been used for the digestion of specific proteins to prepare peptides and for the analysis of generated peptides by MS (mass spectrometry) method.

General description

Endoproteinase Asp-N is a metallo endoprotease. It is obtained from a mutant strain of Pseudomonas fragi, which hydrolyzes peptide bonds on the N-terminal side of aspartic and cysteic acid residues. Asp-N is used in proteomics for peptide mapping and protein sequence work due to its highly specific cleavage of peptides.