The Journal of General Physiology, Vol 22, 447-450,
Copyright © 1939 by The Rockefeller University Press
PURIFICATION AND CONCENTRATION OF ENTEROKINASE
M. Kunitz 1
1 From the Laboratories of The Rockefeller Institute for Medical Research, Princeton, New Jersey
A concentrated solution of purified enterokinase is conveniently prepared from the fluid contents of pigs' duodena by means of fractional precipitation with ammonium sulfate under the proper pH conditions.
Accepted on November 11, 1938