AUTOCATALYTIC ACTIVATION OF TRYPSINOGEN IN THE PRESENCE OF CONCENTRATED AMMONIUM OR MAGNESIUM SULFATE

24 August 1934

journal article
research article
Published by American Association for the Advancement of Science (AAAS) in Science

Vol. 80 (2069) , 190
https://doi.org/10.1126/science.80.2069.190

Abstract

Proteolytically inactive protein was obtained from an acid extract of fresh cattle pancreas. The protein was changed into active trypsin by allowing it to stand in the form of a suspension in conc. (NH4) 2SO4 or MgSO4 at pH 7.0-8.0. The activation followed the course of an autocatalytic reaction.

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