Table of Contents
Gels, Volume 5, Issue 1 (March 2019)
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Cover Story (view full-size image) Calcium-dependent RTX domains fold into β-roll domains. The surface-exposed amino acids projecting [...] Read more. Calcium-dependent RTX domains fold into β-roll domains. The surface-exposed amino acids projecting from this domain were mutated to create hydrophobic interfaces. Solutions of the engineered protein domains transition from viscous liquid to hydrogels upon calcium addition, as only calcium enables the formation of the hydrophobic faces involved in cross-linking. Thus, the properties of these novel designed biomaterials can be tuned by controlling calcium concentrations. View this paper.