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Updated: May 13, 2026
11:16
Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization
Published on: July 11, 2012
Conformational changes of enzymes upon immobilisation
1Istituto di Chimica del Riconoscimento Molecolare, CNR, Via Mario Bianco 9, Milano, Italy. francesco.secundo@icrm.cnr.it
Chemical Society Reviews
|March 14, 2013
Summary
Understanding enzyme immobilization is key for biotechnology. This review details how protein conformation changes affect enzyme activity and how to tailor supports and enzymes for better biocatalyst performance.
Area of Science:
- Biochemistry
- Biotechnology
- Protein Science
Background:
- Enzyme conformation dictates catalytic efficiency and selectivity, crucial for biotechnological applications.
- Enzyme immobilization alters the natural environment, potentially reducing activity via substrate accessibility, dynamics, or conformational integrity loss.
Purpose of the Study:
- To review spectroscopic techniques for investigating immobilized protein conformation.
- To examine how immobilization factors (loading, carrier interactions) affect enzyme structure and dynamics.
- To correlate nanoscale support properties with protein conformational changes for improved biocatalyst design.
Main Methods:
- Spectroscopic techniques for immobilized protein conformation analysis.
- Analysis of protein loading and carrier interactions (polar, hydrophobic/hydrophilic).
- Nanoscale studies correlating conformational changes with support size and shape (experimental and modeling).
Main Results:
- Immobilization affects enzyme structure and dynamics through various mechanisms.
- Protein loading and carrier interactions significantly impact enzyme conformational features.
- Support characteristics at the nanoscale influence protein conformational changes.
Conclusions:
- Tailoring supports and enzymes is essential for optimizing biocatalyst performance.
- Understanding immobilization-induced conformational changes is key to enzyme engineering.
- This review provides insights for designing superior immobilized enzyme systems.
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