ArticleThe journal of physical chemistry. B2025
Magnetosensitivity of Model Flavin-Tryptophan Radical Pairs in a Dynamic Protein Environment.
Article in The journal of physical chemistry. B, 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.
- Protein-Solvent Interface Controls Proton-Coupled Reactivity in Cryptochrome 4a.Journal of the American Chemical Society · 2026Article
- A hybrid compass mechanism combining radical pairs and magnetite crystals.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- The arrangement of anisotropic spin couplings can optimize sensitivity of the cryptochrome radical pair to the direction of geomagnetic field.Scientific reports · 2026Article
- The Enigmatic Conserved Q134-F135-N137 Triad in SARS-CoV-2 Spike Protein: A Conformational Transducer?Biomolecules · 2026Review
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Light-induced radical pairs in cryptochrome proteins located in the retina are thought to be the receptors at the heart of the magnetic compass sense of migratory songbirds. Reliable simulations of the performance of such sensors face several fundamental challenges. The quantum spin dynamics of large spin systems must be modeled for periods in excess of a microsecond including realistic local magnetic interactions that fluctuate on a picosecond to microsecond time scale as a result of thermal motion. Here we employ newly developed computational methods that combine explicitly time-dependent internal magnetic interactions, obtained from molecular dynamics simulations and electronic structure calculations, with efficiently and accurately modeled spin dynamics of multinuclear electron-nuclear spin systems. We identify the range of frequencies of molecular motions that are expected to have the greatest effects on the sensitivity of the proposed compass to the direction of an Earth-strength magnetic field and obtain new insights into the potential enhancements in detection sensitivity afforded by thermal modulations of electron-nuclear hyperfine interactions.
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