ArticleChembiochem : a European journal of chemical biology2022
Switchable DNA-Based Peroxidases Controlled by a Chaotropic Ion.
Article in Chembiochem : a European journal of chemical biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Regulatory networks of iron sulfur cluster biology in cancer mechanisms and therapeutic perspectives.iScience · 2026Review
- Quencher-Free Fluorescence Monitoring of G-Quadruplex Folding.ACS omega · 2025Article
- Emergent ribozyme behaviors in oxychlorine brines indicate a unique niche for molecular evolution on Mars.Nature communications · 2024Article
- Optimization and Enhancement of the Peroxidase-like Activity of Hemin in Aqueous Solutions of Sodium Dodecylsulfate.ACS omega · 2023Article
- Switchable DNA-Based Peroxidases Controlled by a Chaotropic Ion.Chembiochem : a European journal of chemical biology · 2022Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Here we demonstrate a switchable DNA electron-transfer catalyst, enabled by selective destabilization of secondary structure by the denaturant, perchlorate. The system is comprised of two strands, one of which can be selectively switched between a G-quadruplex and duplex or single-stranded conformations. In the G-quadruplex state, it binds hemin, enabling peroxidase activity. This switching ability arises from our finding that perchlorate, a chaotropic Hofmeister ion, selectively destabilizes duplex over G-quadruplex DNA. By varying perchlorate concentration, we show that the DNA structure can be switched between states that do and do not catalyze electron-transfer catalysis. State switching can be achieved in three ways: thermally, by dilution, or by concentration.
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