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Implementing Zn2+ ion and pH-value control into artificial mussel glue proteins by abstracting a His-rich domain from preCollagen

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Abstract

A His-rich domain of preCollagen-D found in byssal threads is derivatized with Cys and Dopa flanks to allow for mussel-inspired polymerization. Artificial mussel glue proteins are accessed that combine cysteinyldopa for adhesion with sequences for pH or Zn2+ induced β-sheet formation. The artificial constructs show strong adsorption to Al2O3, the resulting coatings tolerate hypersaline conditions and cohesion is improved by activating the β-sheet formation, that enhances E-modulus up to 60%.

Graphical abstract: Implementing Zn2+ ion and pH-value control into artificial mussel glue proteins by abstracting a His-rich domain from preCollagen

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Article information


Submitted
27 Nov 2020
Accepted
04 Feb 2021
First published
05 Feb 2021

This article is Open Access

Soft Matter, 2021, Advance Article
Article type
Communication

Implementing Zn2+ ion and pH-value control into artificial mussel glue proteins by abstracting a His-rich domain from preCollagen

S. Arias, S. Amini, J. M. Krüger, L. D. Bangert and H. G. Börner, Soft Matter, 2021, Advance Article , DOI: 10.1039/D0SM02118K

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