New Database Available - Released on 11/08/2026.
112
Unique InChIKey
1
Unique Receptor Sequence
1
Unique Co-Receptor Sequence
0
EC50 Parameter
2
Unique DOI
Receptor Name
Accession
Identity (%)
Species
Mutations
Sequence
Or9a Q9W2U9 100.00 Drosophila melanogaster MSDKVKGKKQEEKDQSLRVQILVYRCMGID ...
Showing 1 to 30 of 136 results
 
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Mixture
Responsive
Parameter
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Experimental Technique
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Type
Expression System
Expression Cell Type
Expression Driver
Odor Delivery System
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Receptor Co-Receptor Molecule Response Bioassay Resources
Species
Name
Accession
Mutation
Sequence
Species
Name
Accession
Mutation
Sequence
Name
CAS
InChIKey
CID
SMILES
Mixture
Responsive
Parameter
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Expression Cell Type
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Drosophila melanogaster Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Carbon Dioxide 124-38-9 CURLTUGMZLYLDI-UHFFFAOYSA-N 280 C(=O)=O Monomolecular No Primary 8.167 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Salicylate 119-36-8 OSWPMRLSEDHDFF-UHFFFAOYSA-N 4133 COC(=O)C1=CC=CC=C1O Monomolecular No Primary 25 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... 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 29.167 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... trans-2-Hexenal 6728-26-3 MBDOYVRWFFCFHM-SNAWJCMRSA-N 5281168 CCC/C=C/C=O Monomolecular No Primary 46.667 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... 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 50.667 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Acetate 141-78-6 XEKOWRVHYACXOJ-UHFFFAOYSA-N 8857 CCOC(=O)C Monomolecular Yes Primary 71.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Amyl Acetate 628-63-7 PGMYKACGEOXYJE-UHFFFAOYSA-N 12348 CCCCCOC(=O)C Monomolecular Yes Primary 87.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Hexanol 111-27-3 ZSIAUFGUXNUGDI-UHFFFAOYSA-N 8103 CCCCCCO Monomolecular Yes Primary 95.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Heptanone 110-43-0 CATSNJVOTSVZJV-UHFFFAOYSA-N 8051 CCCCCC(=O)C Monomolecular Yes Primary 98.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl butyrate 105-54-4 OBNCKNCVKJNDBV-UHFFFAOYSA-N 7762 CCCC(=O)OCC Monomolecular Yes Primary 121.167 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanedione 431-03-8 QSJXEFYPDANLFS-UHFFFAOYSA-N 650 CC(=O)C(=O)C Monomolecular Yes Primary 152.5 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2,3-Butanediol 513-85-9 OWBTYPJTUOEWEK-UHFFFAOYSA-N 262 CC(C(C)O)O Sum of Isomers Yes Primary 189.333 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Acetoin 513-86-0 ROWKJAVDOGWPAT-UHFFFAOYSA-N 179 CC(C(=O)C)O Sum of Isomers Yes Primary 203 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Carbon Dioxide 124-38-9 CURLTUGMZLYLDI-UHFFFAOYSA-N 280 C(=O)=O Monomolecular No Primary 8.167 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Salicylate 119-36-8 OSWPMRLSEDHDFF-UHFFFAOYSA-N 4133 COC(=O)C1=CC=CC=C1O Monomolecular No Primary 25 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... 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 29.167 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... trans-2-Hexenal 6728-26-3 MBDOYVRWFFCFHM-SNAWJCMRSA-N 5281168 CCC/C=C/C=O Monomolecular No Primary 46.667 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... 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 50.667 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Acetate 141-78-6 XEKOWRVHYACXOJ-UHFFFAOYSA-N 8857 CCOC(=O)C Monomolecular Yes Primary 71.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Amyl Acetate 628-63-7 PGMYKACGEOXYJE-UHFFFAOYSA-N 12348 CCCCCOC(=O)C Monomolecular Yes Primary 87.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Hexanol 111-27-3 ZSIAUFGUXNUGDI-UHFFFAOYSA-N 8103 CCCCCCO Monomolecular Yes Primary 95.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Heptanone 110-43-0 CATSNJVOTSVZJV-UHFFFAOYSA-N 8051 CCCCCC(=O)C Monomolecular Yes Primary 98.833 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl butyrate 105-54-4 OBNCKNCVKJNDBV-UHFFFAOYSA-N 7762 CCCC(=O)OCC Monomolecular Yes Primary 121.167 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanedione 431-03-8 QSJXEFYPDANLFS-UHFFFAOYSA-N 650 CC(=O)C(=O)C Monomolecular Yes Primary 152.5 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2,3-Butanediol 513-85-9 OWBTYPJTUOEWEK-UHFFFAOYSA-N 262 CC(C(C)O)O Sum of Isomers Yes Primary 189.333 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Acetoin 513-86-0 ROWKJAVDOGWPAT-UHFFFAOYSA-N 179 CC(C(=O)C)O Sum of Isomers Yes Primary 203 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Beta-Pinene 127-91-3 WTARULDDTDQWMU-UHFFFAOYSA-N 14896 CC1(C2CCC(=C)C1C2)C Sum of Isomers No Primary -3 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Nonanoic Acid 112-05-0 FBUKVWPVBMHYJY-UHFFFAOYSA-N 8158 CCCCCCCCC(=O)O Monomolecular No Primary -3 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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... 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 -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 Or9a Q9W2U9 - MSDKVKGKKQEEKDQSLRVQILVYRCMGID ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Hexyl hexanoate 6378-65-0 NCDCLPBOMHPFCV-UHFFFAOYSA-N 22873 CCCCCCOC(=O)CCCCC Monomolecular No Primary 0 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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