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Updated: Mar 14, 2026

Synthesis of an Intein-mediated Artificial Protein Hydrogel
15:06

Synthesis of an Intein-mediated Artificial Protein Hydrogel

Published on: January 27, 2014

12.7K

Split-Intein Triggered Protein Hydrogels.

Miguel A Ramirez1, Zhilei Chen2,3

  • 1Department of Chemical Engineering, Texas A&M University, College Station, TX, 77843, USA.

Methods in Molecular Biology (Clifton, N.J.)
|October 8, 2016
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel protein hydrogel using self-assembling protein block copolymers. This innovative material offers high stability and rapid reassembly, with potential applications in biotechnology.

Keywords:
EnzymeImmobilizationSelf-assemblyShear-thinningSplit-intein

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Last Updated: Mar 14, 2026

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Area of Science:

  • Biotechnology
  • Materials Science
  • Biochemistry

Background:

  • Proteins are essential biomolecules with diverse functions.
  • Protein-based hydrogels are valuable in research and biotechnology.
  • Existing hydrogels may lack stability or specific functionalities.

Purpose of the Study:

  • To describe an intein-mediated protein hydrogel system.
  • To demonstrate self-assembly and cross-linking via protein block copolymers.
  • To achieve stable and re-assemblable hydrogel networks.

Main Methods:

  • Utilized two synthetic soluble protein block copolymers.
  • Incorporated subunits of a trimeric protein as cross-linkers.
  • Employed the naturally split DnaE intein from Nostoc punctiforme for trans-splicing.
  • Triggered hydrogel formation through intein-mediated self-assembly.

Main Results:

  • Achieved protein hydrogel formation via intein trans-splicing.
  • Demonstrated high hydrogel stability across a range of pH and temperatures (up to 50 °C).
  • Observed rapid reassembly of hydrogels after shear-induced rupture.
  • Enabled site-specific incorporation of functional proteins into the hydrogel network.

Conclusions:

  • Intein-mediated protein block copolymers offer a versatile platform for creating stable, re-assemblable hydrogels.
  • This system facilitates the convenient integration of functional proteins for tailored applications.
  • The developed protein hydrogels show promise for advanced biotechnology and research.