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Definition of Proenzyme
1. Noun. Any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active.
Definition of Proenzyme
1. Noun. (biochemistry) Any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogen ¹
¹ Source: wiktionary.com
Definition of Proenzyme
1. [n -S]
Lexicographical Neighbors of Proenzyme
Literary usage of Proenzyme
Below you will find example usage of this term as found in modern and/or classical literature:
1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1895)
"... in the gastric follicles as a proenzyme, only to be converted into the active
ferments chiefly through the agency of the HC1 of the gastric secretion. ..."
2. A Text-book of Physiological Chemistry by Olof Hammarsten (1911)
"... not consider the activating substance coming from the muscles, but from the
leucocytes. This proenzyme is- activated by the internal secretion of the ..."
3. A Text-book of Human Physiology by Robert Adolph Armand Tigerstedt, John Raymond Murlin (1906)
"... whereupon thrombin arises from the proenzyme under the influence of the calcium
ions. The formation of thrombin is stopped immediately by sodium ..."
4. A Text-book of Physiological Chemistry for Students of Medicine and Physicians by Charles Edmund Simon (1901)
"In the peptic cells of the stomach, for example, the specific ferment pepsin does
not exist, but there is present the proenzyme pepsinogen, which can be ..."
5. A Manual of Clinical Diagnosis by Means of Microscopic and Chemical Methods by Charles Edmund Simon (1897)
"A great deal of what has been said above regarding pepsin and its zymogen also
holds good for chy- mosin and its proenzyme. The proenzyme thus also appears ..."
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