gastricsin

gastricsin

 [gas-trik´sin]
a proteolytic enzyme isolated from gastric juice; its precursor is pepsinogen but differs from pepsin in molecular weight and in the amino acid content at the N terminal.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

gas·tric·sin

(gas-trik'sin),
An alternative term for a human peptidase now termed pepsin C. It is present in the gastric juices of most vertebrates and exhibits a preference for hydrolysis of Tyr-Xaa bonds.
Farlex Partner Medical Dictionary © Farlex 2012

gastricsin

A gastric enzyme, EC 3.4.23.3. Gastricin was also used for peptidase (EC 3.4.4.22) which has been transferred to signal peptidase II (EC 3.4.23.36).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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The observation that gastricsin and human pepsin are produced from the activation of the Zymogen IA fraction suggests two possibilities.