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Updated: Feb 14, 2026

Identification of Novel CK2 Kinase Substrates Using a Versatile Biochemical Approach

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Published on: February 21, 2019

A Versatile and Robust Approach to Stimuli-Responsive Protein Multilayers with Biologically Enabled Unique Functions.

Xue-Jian Zhang^1,2, Xiao-Wei Wang¹, Xiao-Di Da¹

¹Key Laboratory of Polymer Chemistry & Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , People's Republic of China.

Biomacromolecules

|February 15, 2018

Summary

Researchers developed a novel protein layer-by-layer assembly method using "Tag-Catcher" reactions. This technique creates robust, entirely protein-based materials with enhanced uranyl sequestration and recycling capabilities.

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Area of Science:

Materials Science
Biotechnology
Chemical Engineering

Background:

Protein-based materials offer unique functionalities but require advanced processing for integration.
Current methods often struggle to combine protein properties with other materials effectively.

Purpose of the Study:

To develop a facile and robust covalent layer-by-layer assembly method for entirely protein-based multilayers.
To demonstrate the enhanced uranyl sequestration and recycling capabilities of these protein-based materials.

Main Methods:

Utilized orthogonal
Tag-Catcher
reactions for covalent assembly of native telechelic proteins.
Immobilized super uranyl-binding protein (SUP) on silica gel to create protein multilayers.

Main Results:

Achieved tunable capacity and enhanced uranyl sequestration using the protein multilayers.
Demonstrated high recovery rates (∼90% in water, ∼60% in synthetic seawater) over 10+ cycles, indicating material resilience.
Created the first entirely protein-based multilayers via covalent layer-by-layer assembly.

Conclusions:

The developed method provides a versatile platform for protein immobilization, enhancing both function and resilience.
This approach expands the capabilities of genetically encoded protein-based materials for applications like environmental remediation.
The protein multilayers exhibit stimuli-sensitive behaviors and properties superior to synthetic alternatives.