Olfactory Receptor family 4 subfamily Q member 3.
Estimated Expression: 92% of the population.
Expression estimate based on data from Verbeurgt et al (2014).
Sequence:
10 20 30 40 50 60 70 80 90 100 MKKEQDSNVT EFVLLGLSSS WELQLFLFLL FLFFYIAIVL GNLLIVVTVQ AHAHLLQSPM YYFLGHLSFI DLCLSCVTVP KMLGDFLQQG KSISFSGCLA 110 120 130 140 150 160 170 180 190 200 QIYFLHFLGA SEMFLLTVMA YDRYVAICNP LRYLTVMNPQ LCLWLVLACW CGGFIHSIMQ VILVIQLPFC GPNELDNFYC DVPQVIKLAC MDTYVVEVLV 210 220 230 240 250 260 270 280 290 300 IANSGLLSLV CFLVLLFSYA IILITLRTHF CQGQNKVFST CASHLTVVSL IFVPCVFIYL RPFCSFSVDK IFSLFYTVIT PMLNPLIYTL RNTDMKTAMK 310 320 KLRIKPCGIP LPC
Transmembrane Helices:
TMR7 TMR6 TMR5 TMR4 TMR3 TMR2 TMR1 F I K D S V Y T D V L S I S K L F L E W S F L S C F P R V E V I V Q M G S F D G L F L Q I V T Y L Y I A I V L I S H Q A L C M K P V L L F L M P T F V C P G S N I F G G F Y I T V C F L F L P N L V F I L S L L C W C L F H L S L C L A I Y F T Y I L S V V F C V A L V L S A G D I F L V I T L H L L V L W L C L F M E S L H G L L N G S A C T Y S F L Q P N V T L L F Y V V I S F V L I I A D Y A M Y M P S A Q V T K N Q G L T I V Y R H T R N C I A UniProt | I-TASSER | AlphaFold | HORDE | GeneCards | ORDB
| Odorant | EC50 | Adjusted Top | Antagonist? | Aroma Notes |
|---|---|---|---|---|
| diallyl disulfide | - | 10 1 | alliaceous, garlic, metallic, onion | |
| butyl anthranilate | -6 2 | 1.4631 2 | petitgrain, plum, sweet, grape, fruity, winey, floral, berry, powdery, chemical | |
| eugenol | -6 2 | (agonist) 2 | clove, spicy, sweet, woody | |
| androstadienone | -2.57 2 | 0.7303 2 | animal, musky | |
| benzyl salicylate | - | 2 1 | balsamic, clean, herbal, oily, sweet |
1.) 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
2.) Mainland JD, Li YR, Zhou T, Liu WL, Matsunami H. Human olfactory receptor responses to odorants. Sci Data. 2015 Feb 3;2:150002. doi: 10.1038/sdata.2015.2. PMID: 25977809; PMCID: PMC4412152.