ArticleSTAR protocols2026
Protocol for preparing and characterizing samples for combined microsecond freeze-hyperquenching and electron paramagnetic resonance spectroscopy.
Article in STAR protocols, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
Microsecond freeze-hyperquenching (MHQ) coupled with pulsed electron-electron double resonance spectroscopy (PELDOR) can resolve conformational changes in biomolecules over space and time. Here, we present a protocol for preparing MHQ samples of a cyclic nucleotide-binding domain by rapid mixing with cyclic adenosine monophosphate. Further, we outline the acquisition and analysis of PELDOR data on MHQ samples and study the dynamics of protein-ligand interactions. This protocol can also be extended to other freeze-quench techniques beyond MHQ and other biomolecules. For complete details on the use and execution of this protocol, please refer to Hett et al.
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