ArticleChemistry (Weinheim an der Bergstrasse, Germany)2025
Odorant Binding Proteins Facilitate the Gas-Phase Uptake of Odorants Through the Nasal Mucus.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Beyond olfaction: New insights into human odorant binding proteins.Protein science : a publication of the Protein Society · 2026Review
- How allosteric mutations control ligand binding in Lipocalin protein: odorant binding protein as a test case.Cellular and molecular life sciences : CMLS · 2025Article
- Odorant Binding Proteins Facilitate the Gas-Phase Uptake of Odorants Through the Nasal Mucus.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
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4 authors.
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Abstract
Mammalian odorant binding proteins (OBPs) have long been suggested to transport hydrophobic odorant molecules through the aqueous environment of the nasal mucus. While the function of OBPs as odorant transporters is supported by their hydrophobic beta-barrel structure, no rationale has been provided on why and how these proteins facilitate the uptake of odorants from the gas phase. Here, a multi-scale computational approach validated through available high-resolution spectroscopy experiments reveals that the conformational space explored by carvone inside the binding cavity of porcine OBP (pOBP) is much closer to the gas than the aqueous phase, and that pOBP effectively manages to transport odorants by lowering the free energy barrier of odorant uptake. Understanding such perireceptor events is crucial to fully unravel the molecular processes underlying the olfactory sense and move towards the development of protein-based biomimetic sensor units that can serve as artificial noses.
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