Lysyl endopeptidase (EC 3.4.21.50, Achromobacter proteinase I, Achromobacter lyticus alkaline proteinase I, protease I, achromopeptidase, lysyl bond specific proteinase, and caseinase) is an enzyme.
[1][2][3][4][5][6] This enzyme catalyses the following chemical reaction This enzyme is isolated from Lysobacter enzymogenes.
It is produced by the human body and by Achromobacter lyticus[7] that can help break down the protein casein in milk into smaller peptides and amino acids.
[8]