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PURIFICATION AND CONCENTRATION OF ENTEROKINASE
1Laboratories of The Rockefeller Institute for Medical Research, Princeton, New Jersey.
The Journal of General Physiology
|October 30, 2009
Summary
Purified enterokinase, an enzyme crucial for protein activation, can be efficiently extracted from pig duodenal fluid. This method utilizes fractional precipitation with ammonium sulfate for a concentrated and pure enzyme solution.
Area of Science:
- Biochemistry
- Enzymology
- Protein purification
Background:
- Enterokinase is a serine protease essential for activating digestive enzymes.
- Efficient and scalable methods for enterokinase purification are needed for research and therapeutic applications.
Purpose of the Study:
- To develop a convenient and effective method for preparing a concentrated solution of purified enterokinase.
Main Methods:
- Utilizing the fluid contents of pigs' duodena as the starting material.
- Employing fractional precipitation with ammonium sulfate.
- Optimizing pH conditions during the precipitation process.
Main Results:
- A concentrated solution of purified enterokinase was successfully prepared.
- The method offers a convenient approach for enzyme extraction.
Conclusions:
- Fractional precipitation with ammonium sulfate under controlled pH is an effective strategy for purifying enterokinase from porcine duodenal contents.
