New Database Available - Released on 11/08/2026.
111
Unique InChIKey
1
Unique Receptor Sequence
1
Unique Co-Receptor Sequence
0
EC50 Parameter
3
Unique DOI
Receptor Name
Accession
Identity (%)
Species
Mutations
Sequence
Or22a P81909 100.00 Drosophila melanogaster MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ...
Showing 31 to 60 of 146 results
 
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Responsive
Parameter
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Experimental Technique
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Type
Expression System
Expression Cell Type
Expression Driver
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Receptor Co-Receptor Molecule Response Bioassay Resources
Species
Name
Accession
Mutation
Sequence
Species
Name
Accession
Mutation
Sequence
Name
CAS
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SMILES
Mixture
Responsive
Parameter
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Nb. measurements
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Type
Expression System
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Expression Driver
Odor Delivery System
Stimulation Flux
Main Flux
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Reference
DOI
Reference Position
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Octen-3-Ol 3391-86-4 VSMOENVRRABVKN-UHFFFAOYSA-N 18827 CCCCCC(C=C)O Sum of Isomers Yes Primary 108.333 Spikes/s Norm. receptor 0.01 V/V 12 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., Ho, M. G., & Ca ... 10.1016/j.cell.2004.05.012 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Propionate 105-37-3 FKRCODPIKNYEAC-UHFFFAOYSA-N 7749 CCC(=O)OCC Monomolecular Yes Primary 124.167 Spikes/s Norm. receptor 0.01 V/V 12 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., Ho, M. G., & Ca ... 10.1016/j.cell.2004.05.012 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butyl Acetate 123-86-4 DKPFZGUDAPQIHT-UHFFFAOYSA-N 31272 CCCCOC(=O)C Monomolecular Yes Primary 124.833 Spikes/s Norm. receptor 0.01 V/V 12 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., Ho, M. G., & Ca ... 10.1016/j.cell.2004.05.012 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Isoamyl Acetate 123-92-2 MLFHJEHSLIIPHL-UHFFFAOYSA-N 31276 CC(C)CCOC(=O)C Monomolecular Yes Primary 144.167 Spikes/s Norm. receptor 0.01 V/V 12 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., Ho, M. G., & Ca ... 10.1016/j.cell.2004.05.012 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Amyl Acetate 628-63-7 PGMYKACGEOXYJE-UHFFFAOYSA-N 12348 CCCCCOC(=O)C Monomolecular Yes Primary 156.5 Spikes/s Norm. receptor 0.01 V/V 12 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., Ho, M. G., & Ca ... 10.1016/j.cell.2004.05.012 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl butyrate 105-54-4 OBNCKNCVKJNDBV-UHFFFAOYSA-N 7762 CCCC(=O)OCC Monomolecular Yes Primary 168 Spikes/s Norm. receptor 0.01 V/V 12 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., Ho, M. G., & Ca ... 10.1016/j.cell.2004.05.012 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Salicylate 119-36-8 OSWPMRLSEDHDFF-UHFFFAOYSA-N 4133 COC(=O)C1=CC=CC=C1O Monomolecular No Primary 2 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Octanoic Acid 124-07-2 WWZKQHOCKIZLMA-UHFFFAOYSA-N 379 CCCCCCCC(=O)O Monomolecular No Primary 4 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Geranyl Acetate 105-87-3 HIGQPQRQIQDZMP-DHZHZOJOSA-N 1549026 CC(=CCC/C(=C/COC(=O)C)/C)C Monomolecular No Primary 5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Linoleic Acid 60-33-3 OYHQOLUKZRVURQ-HZJYTTRNSA-N 5280450 CCCCC/C=C\C/C=C\CCCCCCCC(=O)O Monomolecular No Primary 7 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Glycerol 56-81-5 PEDCQBHIVMGVHV-UHFFFAOYSA-N 753 C(C(CO)O)O Monomolecular No Primary 8 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl caprate 110-38-3 RGXWDWUGBIJHDO-UHFFFAOYSA-N 8048 CCCCCCCCCC(=O)OCC Monomolecular No Primary 10 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 4-Ethylguaiacol 2785-89-9 CHWNEIVBYREQRF-UHFFFAOYSA-N 62465 CCC1=CC(=C(C=C1)O)OC Monomolecular No Primary 11 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Eugenol 97-53-0 RRAFCDWBNXTKKO-UHFFFAOYSA-N 3314 COC1=C(C=CC(=C1)CC=C)O Monomolecular No Primary 11 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Nonanoic Acid 112-05-0 FBUKVWPVBMHYJY-UHFFFAOYSA-N 8158 CCCCCCCCC(=O)O Monomolecular No Primary 11 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... (-)-Caryophyllene 87-44-5 NPNUFJAVOOONJE-GFUGXAQUSA-N 5281515 C/C/1=C\CCC(=C)[C@H]2CC([C@@H]2CC1)(C)C Monomolecular No Primary 12 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... O-Cresol 95-48-7 QWVGKYWNOKOFNN-UHFFFAOYSA-N 335 CC1=CC=CC=C1O Monomolecular No Primary 13 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Humulene 6753-98-6 FAMPSKZZVDUYOS-HRGUGZIWSA-N 5281520 C/C/1=C\CC(/C=C/C/C(=C/CC1)/C)(C)C Monomolecular No Primary 13 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Beta-Pinene 127-91-3 WTARULDDTDQWMU-UHFFFAOYSA-N 14896 CC1(C2CCC(=C)C1C2)C Sum of Isomers No Primary 14 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... (+)-3-Carene 498-15-7 BQOFWKZOCNGFEC-BDAKNGLRSA-N 443156 CC1=CC[C@@H]2[C@H](C1)C2(C)C Monomolecular No Primary 15 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... delta-Decalactone 705-86-2 GHBSPIPJMLAMEP-UHFFFAOYSA-N 12810 CCCCCC1CCCC(=O)O1 Sum of Isomers No Primary 15 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Cinnamate 103-36-6 KBEBGUQPQBELIU-CMDGGOBGSA-N 637758 CCOC(=O)/C=C/C1=CC=CC=C1 Monomolecular No Primary 16 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Heptanoic Acid 111-14-8 MNWFXJYAOYHMED-UHFFFAOYSA-N 8094 CCCCCCC(=O)O Monomolecular No Primary 16 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Putrescine 110-60-1 KIDHWZJUCRJVML-UHFFFAOYSA-N 1045 C(CCN)CN Monomolecular No Primary 16 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ammonium Hydroxide 1336-21-6 VHUUQVKOLVNVRT-UHFFFAOYSA-N 14923 [NH4+].[OH-] Monomolecular No Primary 17 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cadaverine 462-94-2 VHRGRCVQAFMJIZ-UHFFFAOYSA-N 273 C(CCN)CCN Monomolecular No Primary 17 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Dimethyl Sulfide 75-18-3 QMMFVYPAHWMCMS-UHFFFAOYSA-N 1068 CSC Monomolecular No Primary 17 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl formate 109-94-4 WBJINCZRORDGAQ-UHFFFAOYSA-N 8025 CCOC=O Monomolecular No Primary 17 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Gamma-Decalactone 706-14-9 IFYYFLINQYPWGJ-UHFFFAOYSA-N 12813 CCCCCCC1CCC(=O)O1 Sum of Isomers No Primary 20 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... P-Cymene 99-87-6 HFPZCAJZSCWRBC-UHFFFAOYSA-N 7463 CC1=CC=C(C=C1)C(C)C Monomolecular No Primary 22 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording N.A. Spiking Frequency Drosophila N.A. pUAS Airstream 6 mL/s N.A. 1 s Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 N.A.
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