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Protein Complexes with Interchangeable Parts

Protein Complexes with Interchangeable Parts

Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...

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Related Experiment Video

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Designing Silk-silk Protein Alloy Materials for Biomedical Applications

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Crosslinking Soy Protein: Mechanisms, Functional Modification, Applications in Food, and Future Directions.

Tolulope Joshua Ashaolu^1,2

¹Institute for Global Health Innovations, Duy Tan University, Da Nang, Vietnam.

Journal of Texture Studies

|February 15, 2026

Summary

Crosslinking soy protein (SP) improves its solubility, stability, and bioavailability. This review explores methods to enhance SP for advanced food and industrial applications, overcoming current limitations.

Keywords:

crosslinking enzymatic modification functional foods genipin soy protein transglutaminase

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Last Updated: Feb 17, 2026

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Area of Science:

Food Science and Technology
Biopolymer Chemistry
Sustainable Materials

Background:

Soy protein (SP) is a nutritious, sustainable biopolymer with limitations in solubility, stability, and bioavailability.
These limitations hinder its widespread application in food and industrial products.
Crosslinking is a key strategy to modify SP's structure and enhance its functionality.

Purpose of the Study:

To review various crosslinking methods for soy protein.
To analyze the impact of crosslinking on SP's functional properties.
To explore advanced applications of crosslinked soy protein.

Main Methods:

Enzymatic crosslinking (transglutaminase, laccases).
Chemical crosslinking (genipin, tannins).
Physical crosslinking (high-pressure, thermal treatments).

Main Results:

Crosslinking significantly enhances SP's emulsion stability, gel strength, and water-holding capacity.
Modified SP exhibits improved functional properties for diverse applications.
Advanced applications include meat analogs, functional emulsions, packaging films, and bio-adhesives.

Conclusions:

Crosslinking effectively overcomes the limitations of native soy protein.
Further research is needed to address scalability, cost, and regulatory challenges.
Future directions include hybrid techniques, AI optimization, and smart materials for enhanced SP utilization.