ArticleAngewandte Chemie (International ed. in English)2025
An Artificial Metal-Free Peroxidase Designed Using a Ferritin Cage for Bioinspired Catalysis.
Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Emerging Nanoreactors for Precision Disease Treatment: From Principles to Biomedical Applications.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- A deep dive into ferritin nanoparticle advancements: experimental and computational perspectives.Discover nano · 2026Review
- Biological Nanoscaffolds from Hierarchical Construction to Applications.Molecules (Basel, Switzerland) · 2026Review
- An Artificial Metal-Free Peroxidase Designed Using a Ferritin Cage for Bioinspired Catalysis.Angewandte Chemie (International ed. in English) · 2025Article
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5 authors.
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Abstract
Developing artificial enzymes is challenging because it requires precise design of active sites with well-arranged amino acid residues. Histidine-rich oligopeptides have been recently shown to exhibit peroxidase-mimetic activities, but their catalytic function relies on maintaining unique supramolecular structures. This work demonstrates the design of a specific array of histidine residues on the internal surface of the ferritin cage to function as an active center for catalysis. The crystal structures of the ferritin mutants revealed histidine-histidine interactions, forming well-defined histidine clusters (His-clusters). These mutants exhibit peroxidase-mimetic activities by oxidizing 3,3',5,5'-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide. Molecular dynamics simulations further highlight the co-localization of TMB and hydrogen peroxide at the histidine-rich clusters, indicating that the confined environment of the ferritin cage enhances their interactions. This study presents a simple yet effective approach to design metal-free artificial enzymes, paving the way for innovations in bioinspired catalysis.
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