octanoic acid

SMILES:
CCCCCCCC(=O)[O-]

Aroma Description:
cheesy, fatty, oily, rancid, vegetable, waxy1

Receptor Expression log10 EC50 Adj. Top Antagonist? Correlated Perceptual Qualities
OR52A5 92 -3.94 11 -  dairy, fatty, cheesy, rancid
OR51B2 100 - (agonist) 12   
OR52K1 92 - (agonist) 12   
OR56A1 100 - (agonist) 12   
OR56A4 100 - (agonist) 12   
OR2W1 53 -4.85 5 8.2 5  sweet, tart, hay, fatty, coumarinic, orange, peony, cinnamon, herbal, tonka
OR56A5 69 -4.1 10 5.7 10  cheesy, rancid, sweaty, buttermilk, sour, waxy
OR2L13 88 -4.15 2 1.0714 2, 1 9  cilantro, spearmint, greasy, soapy, honey, watery
OR2A7 ? -4.82 2 1.4286 2  pine, cumin, resinous, muguet, hay, watery
OR51E1 100 - 0 4, 0 5, 4.42 7  cheesy, sour, sweaty, sharp, acidic, dairy
OR52B2 100 -3.83 10 0.9 10  cheesy, rancid, dairy, sour, fatty, creamy, milky, sharp, sweaty, tart
OR52D1 100 - 3.9086 3  dairy, cheesy, anise, milky, creamy, sour, sharp, peach, lactonic, rancid
OR10S1 92 - 0.7143 2  watery, peely, orange_peel, cilantro, waxy, floral
OR1G1 61 - 0.0508 3  sweet, waxy, citrus, fresh, tart, orange, aldehydic, floral, rose, fatty
OR10J5 84 - 0 5   
OR1A1 73 - 0 5   
OR2C1 100 - 0 5   
OR2J2 92 - 0 5   
OR51L1 88 - 0 5, 0 11   
OR5P3 100 - 0 5   
OR5A1 100 - 0 6   
OR5A2 100 - 0 6   
OR5AN1 100 - 0 6   
OR51E2 96 - 0 8   
 

octanoic acid

SMILES:
CCCCCCCC(=O)[O-]

Aroma Description:
cheesy, fatty, oily, rancid, vegetable, waxy

Receptor Expr.% Agonist? Dock Score Known agonist Correlated Perceptual Qualities

Dock Score is a measure of how strongly the algorithm thinks the odorant is likely to be an agonist of the receptor.
Receptors in italics are "orphans", i.e. receptors whose agonists have not been identified experimentally.

1.) The Good Scents Company

2.) Emily A. Yasi, Sara L. Eisen, Hanfei Wang, Widianti Sugianto, Anita R. Minniefield, Kaitlyn A. Hoover, Paul J. Branham, and Pamela Peralta-Yahya Rapid Deorphanization of Human Olfactory Receptors in Yeast Biochemistry 2019, 58, 2160-2166

3.) Guenhael Sanz, Claire Schlegel, Jean-Claude Pernollet and Loic Briand Comparison of Odorant Specificity of Two Human Olfactory Receptors from Different Phylogenetic Classes and Evidence for Antagonism Chemical Senses vol. 30 no. 1 (2005) doi:10.1093/chemse/bji002

4.) YOSHIFUMI FUJITA, TOMOKO TAKAHASHI, AKIKO SUZUKI, KAYO KAWASHIMA, FUTOSHI NARA & RYUTA KOISHI (2007) Deorphanization of Dresden G Protein-Coupled Receptor for an Odorant Receptor, Journal of Receptors and Signal Transduction, 27:4, 323-334, DOI: 10.1080/10799890701534180

5.) Saito H, Chi Q, Zhuang H, Matsunami H, Mainland JD. Odor coding by a Mammalian receptor repertoire. Sci Signal. 2009 Mar 3;2(60):ra9. doi: 10.1126/scisignal.2000016. PMID: 19261596; PMCID: PMC2774247.

6.) Keiichi Yoshikawa, Jun Deguchi, Hu Jieying et al. Diverse yet selective tuning of an odorant receptor for sensing four classes of musk compounds, 03 August 2022, PREPRINT (Version 1) available at Research Square [https://doi.org/10.21203/rs.3.rs-1916850/v1]

7.) Halperin Kuhns, V. L., Sanchez, J., Sarver, D. C., Khalil, Z., Rajkumar, P., Marr, K. A., & Pluznick, J. L. (2019). Characterizing novel olfactory receptors expressed in the murine renal cortex. American Journal of Physiology-Renal Physiology, 317(1), F172-F186.

8.) Christian B. Billesbølle, Claire A. de March, Wijnand J. C. van der Velden, Ning Ma, Jeevan Tewari, Claudia Llinas del Torrent, Linus Li, Bryan Faust, Nagarajan Vaidehi, Hiroaki Matsunami, Aashish Manglik. Structural basis of odorant recognition by a human odorant receptor. bioRxiv 2022.12.20.520951; doi: https://doi.org/10.1101/2022.12.20.520951

9.) Morrell CN, Mix D, Aggarwal A, Bhandari R, Godwin M, Owens P 3rd, Lyden SP, Doyle A, Krauel K, Rondina MT, Mohan A, Lowenstein CJ, Shim S, Stauffer S, Josyula VP, Ture SK, Yule DI, Wagner LE 3rd, Ashton JM, Elbadawi A, Cameron SJ. Platelet olfactory receptor activation limits platelet reactivity and growth of aortic aneurysms. J Clin Invest. 2022 May 2;132(9):e152373. doi: 10.1172/JCI152373. PMID: 35324479; PMCID: PMC9057618.

10.) Chatelain Pierre, Veithen Alex, Olfactory Receptors involved in the perception of sweat carboxylic acids and the use thereof. WO 2014/191047

11.) Roger Emter, Christel Merillat, Fiona Buchli, Felix Flachsmann, Andreas Natsch. Decoding human olfaction by high heterologous expression of odorant receptors detecting signature odorants. Current Biology, October 10, 2025

12.) Roger EmterAndreas Natsch Modified olfactory receptors WO2024126820A1

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