PMID: 6406134Jan 1, 1983Paper

A pepsinogen from rainbow trout

Comparative Biochemistry and Physiology. B, Comparative Biochemistry
S S TwiningD M Glick

Abstract

1. A pepsinogen, Ia on the basis of its electrophoretic mobility, from rainbow trout stomach, has an optimum pH near 2 for activation. 2. The cognate pepsin is denatured at pH values above 7, in contrast to the zymogen, which is slightly more alkali-stable. It has an optimum pH of 3 for proteolysis of denatured hemoglobin. 3. The intrinsic reactivity of the zymogen and pepsin (rates of activation and of proteolysis, respectively) are quite high, but as they operate at the environmental temperature of the fish, are remarkably similar to rates of activation and proteolysis by mammalian pepsinogens and pepsins.

References

May 21, 1976·Analytical Biochemistry·P McPhie
Oct 1, 1971·Biochimica Et Biophysica Acta·B Nevaldine, B Kassell

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Citations

Jun 15, 2007·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·Zhong-Yi LiuLin-Na Xu
Nov 17, 2011·Fish Physiology and Biochemistry·Lorenzo MárquezFrancisco J Moyano
Jan 1, 1985·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·J ClarkJ R Stark
Jan 1, 1988·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·A Gildberg
Jan 1, 1990·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·A GildbergJ B Bjarnason
Nov 1, 1988·European Journal of Biochemistry·M TanjiK Takahashi
May 25, 2013·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Tomofumi InokuchiKen-Ichiro Kobayashi
Mar 11, 2008·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Miriam FurnéAna Sanz
Sep 25, 2007·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Zhong-yi LiuJian Zhang
Jun 15, 2013·Journal of Fish Diseases·J DreyfussG A Lewbart
Apr 18, 2016·International Journal of Biological Macromolecules·Ahmad HomaeiReyhaneh Sariri

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