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
Or19a Q9I816 100.00 Drosophila melanogaster MDISKVDSTRALVNHWRIFRIMGIHPPGKR ...
Showing 1 to 30 of 138 results
 
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Mixture
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Parameter
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Experimental Technique
Recording System
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
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CID
SMILES
Mixture
Responsive
Parameter
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Nb. measurements
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Type
Expression System
Expression Cell Type
Expression Driver
Odor Delivery System
Stimulation Flux
Main Flux
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Reference
DOI
Reference Position
Drosophila melanogaster Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Carbon Dioxide 124-38-9 CURLTUGMZLYLDI-UHFFFAOYSA-N 280 C(=O)=O Monomolecular No Primary 12.667 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... trans-2-Hexenal 6728-26-3 MBDOYVRWFFCFHM-SNAWJCMRSA-N 5281168 CCC/C=C/C=O Monomolecular No Primary 39.333 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanedione 431-03-8 QSJXEFYPDANLFS-UHFFFAOYSA-N 650 CC(=O)C(=O)C Monomolecular Yes Primary 52.167 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Acetate 141-78-6 XEKOWRVHYACXOJ-UHFFFAOYSA-N 8857 CCOC(=O)C Monomolecular Yes Primary 61 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Salicylate 119-36-8 OSWPMRLSEDHDFF-UHFFFAOYSA-N 4133 COC(=O)C1=CC=CC=C1O Monomolecular Yes Primary 61.667 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl butyrate 105-54-4 OBNCKNCVKJNDBV-UHFFFAOYSA-N 7762 CCCC(=O)OCC Monomolecular Yes Primary 93.333 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butyl Acetate 123-86-4 DKPFZGUDAPQIHT-UHFFFAOYSA-N 31272 CCCCOC(=O)C Monomolecular Yes Primary 125.5 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Octanol 111-87-5 KBPLFHHGFOOTCA-UHFFFAOYSA-N 957 CCCCCCCCO Monomolecular Yes Primary 136.5 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Amyl Acetate 628-63-7 PGMYKACGEOXYJE-UHFFFAOYSA-N 12348 CCCCCOC(=O)C Monomolecular Yes Primary 150.167 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Hexanol 111-27-3 ZSIAUFGUXNUGDI-UHFFFAOYSA-N 8103 CCCCCCO 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Heptanone 110-43-0 CATSNJVOTSVZJV-UHFFFAOYSA-N 8051 CCCCCC(=O)C Monomolecular Yes Primary 153.833 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Isoamyl Acetate 123-92-2 MLFHJEHSLIIPHL-UHFFFAOYSA-N 31276 CC(C)CCOC(=O)C Monomolecular Yes Primary 162.833 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... 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 171.333 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Octanone 111-13-7 ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 8093 CCCCCCC(=O)C Monomolecular Yes Primary 192 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Carbon Dioxide 124-38-9 CURLTUGMZLYLDI-UHFFFAOYSA-N 280 C(=O)=O Monomolecular No Primary 12.667 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... trans-2-Hexenal 6728-26-3 MBDOYVRWFFCFHM-SNAWJCMRSA-N 5281168 CCC/C=C/C=O Monomolecular No Primary 39.333 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanedione 431-03-8 QSJXEFYPDANLFS-UHFFFAOYSA-N 650 CC(=O)C(=O)C Monomolecular Yes Primary 52.167 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Acetate 141-78-6 XEKOWRVHYACXOJ-UHFFFAOYSA-N 8857 CCOC(=O)C Monomolecular Yes Primary 61 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Salicylate 119-36-8 OSWPMRLSEDHDFF-UHFFFAOYSA-N 4133 COC(=O)C1=CC=CC=C1O Monomolecular Yes Primary 61.667 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl butyrate 105-54-4 OBNCKNCVKJNDBV-UHFFFAOYSA-N 7762 CCCC(=O)OCC Monomolecular Yes Primary 93.333 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butyl Acetate 123-86-4 DKPFZGUDAPQIHT-UHFFFAOYSA-N 31272 CCCCOC(=O)C Monomolecular Yes Primary 125.5 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Octanol 111-87-5 KBPLFHHGFOOTCA-UHFFFAOYSA-N 957 CCCCCCCCO Monomolecular Yes Primary 136.5 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Amyl Acetate 628-63-7 PGMYKACGEOXYJE-UHFFFAOYSA-N 12348 CCCCCOC(=O)C Monomolecular Yes Primary 150.167 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Hexanol 111-27-3 ZSIAUFGUXNUGDI-UHFFFAOYSA-N 8103 CCCCCCO 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Heptanone 110-43-0 CATSNJVOTSVZJV-UHFFFAOYSA-N 8051 CCCCCC(=O)C Monomolecular Yes Primary 153.833 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Isoamyl Acetate 123-92-2 MLFHJEHSLIIPHL-UHFFFAOYSA-N 31276 CC(C)CCOC(=O)C Monomolecular Yes Primary 162.833 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... 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 171.333 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Octanone 111-13-7 ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 8093 CCCCCCC(=O)C Monomolecular Yes Primary 192 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Propanal 123-38-6 NBBJYMSMWIIQGU-UHFFFAOYSA-N 527 CCC=O Monomolecular No Primary -23 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 Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanal 123-72-8 ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 261 CCCC=O Monomolecular No Primary -9 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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