Description
Rennin, a 323 amino acid chain, is secreted as an inactive precursor which is then converted into an active enzyme through limited proteolysis. It cleaves the peptide bond between phenylalanine and methionine in K-Casein.
Abbr
Rennin, Native (Calf)
Applications
Rennin, also known as chymosin, is a milkclotting acid proteinase produced in the stomach of a calf. It is used in cheesemaking and to study neonatal gastric digestion.
Form
Lyophilized powder containing sodium chloride
Enzyme Commission Number
EC 3.4.23.4
Activity
> 20 units/mg protein
Composition
Protein, > 40%
Unit Definition
One unit will coagulate 10 mL of milk per min at 30°C.
Function
aspartic-type endopeptidase activity
Synonyms
chymosin; rennin; EC 3.4.23.4; 9001-98-3
