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Updated: Jun 10, 2026
09:22
A Simple Method for Isolation of Soybean Protoplasts and Application to Transient Gene Expression Analyses
Published on: January 25, 2018
Soybean basic 7S globulin: subunit heterogeneity and molecular evolution.
Andrei D Shutov1, Krisna Prak, Takako Fukuda
1Laboratory of Plant Biochemistry, State University of Moldova, Mateevicii str, Chişinău, Moldova.
Bioscience, Biotechnology, and Biochemistry
|August 12, 2010
Summary
Soybean basic 7S globulin, a cysteine-rich protein, comprises 27 kD and 16 kD subunits. Researchers identified and separated three distinct subunits using SP Sepharose chromatography, revealing its relation to plant aspartic proteinases.
Area of Science:
- Plant biochemistry
- Molecular biology
- Protein chemistry
Background:
- Basic 7S globulin is a cysteine-rich protein found in soybean seeds.
- It is composed of subunits linked by disulfide bonds.
Purpose of the Study:
- To characterize the subunits of basic 7S globulin.
- To investigate the structural relationships of basic 7S globulin within protein superfamilies.
Main Methods:
- SP Sepharose chromatography was used for subunit separation.
- Protein characterization techniques were employed.
Main Results:
- Three differently sized subunits of basic 7S globulin were detected.
- Partial separation of these subunits was achieved.
- Basic 7S globulin was identified as a member of the plant aspartic proteinase superfamily.
Conclusions:
- Soybean basic 7S globulin exhibits subunit heterogeneity.
- The protein shares structural ancestry with plant aspartic proteinases, indicating evolutionary relationships.
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