Lysyl endopeptidase (, ''Achromobacter proteinase I'', ''Achromobacter lyticus alkaline proteinase I'', ''protease I'', ''achromopeptidase'', ''lysyl bond specific proteinase'', and ''caseinase'') is an

enzyme Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products. A ...

. This enzyme catalyses the following

chemical reaction A chemical reaction is a process that leads to the IUPAC nomenclature for organic transformations, chemical transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the pos ...

: Preferential cleavage: Lys-, including -Lys-Pro- This enzyme is isolated from '' Lysobacter enzymogenes''. It is produced by the human body and by ''

Achromobacter lyticus ''Achromobacter lyticus'' is a Gram-negative bacterium from the genus '' Achromobacter''. The enzyme Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act ...

'' that can help break down the protein

casein Casein ( , from Latin ''caseus'' "cheese") is a family of related phosphoproteins (CSN1S1, αS1, aS2, CSN2, β, K-casein, κ) that are commonly found in mammalian milk, comprising about 80% of the proteins in cow's milk and between 20% and 60% of ...

milk Milk is a white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digestion, digest solid food. Immune factors and immune ...

into smaller peptides and amino acids.

References

External links

* {{Portal bar, Biology, border=no EC 3.4.21