Zymogen granules in enzyme liberation and activation in pea seeds.

Science (New York, N.Y.) ·Vol. 162 ·No. 3859 ·1968-12-13 ·Pages 1283-4

Mayer AM, Shain Y

Abstract

Pea seeds have zymogen-like granules that contain an inactive form of the enzyme amylopectin-1,6-glucosidase. The enzyme can be liberated from the particles in the inactive form and can then be activated by limited proteolysis with trypsin.

MeSH Terms

Amylases/analysis Centrifugation, Density Gradient Cytoplasmic Granules Electrophoresis Enzyme Precursors/analysis Glycoside Hydrolases/analysis,metabolism Microscopy, Electron Plants, Edible/enzymology Polysaccharides Seeds Sulfates/metabolism Sulfur Isotopes Trypsin

Chemicals

Enzyme Precursors Polysaccharides Sulfates Sulfur Isotopes Amylases Glycoside Hydrolases Trypsin

Authors & Affiliations

2 authors, click to expand affiliations / ORCID

Mayer A M

Shain Y

Article Info

Journal

Science (New York, N.Y.)

Abbr.

Science

ISSN

0036-8075

DOI

10.1126/science.162.3859.1283

Published

1968-12-13

Pages

1283-4

Language

English

Region

United States

NLM ID

0404511

Subset

External Links

PubMed source DOI: 10.1126/science.162.3859.1283 View journal details

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