New Database Available - Released on 11/08/2026.
113
Unique InChIKey
1
Unique Receptor Sequence
1
Unique Co-Receptor Sequence
0
EC50 Parameter
2
Unique DOI
Receptor Name
Accession
Identity (%)
Species
Mutations
Sequence
Or23a P81912 100.00 Drosophila melanogaster MKLSETLKIDYFRVQLNAWRICGALDLSEG ...
Showing 1 to 30 of 138 results
 
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Mixture
Responsive
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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SMILES
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Responsive
Parameter
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Nb. measurements
Experimental Technique
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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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Carbon Dioxide 124-38-9 CURLTUGMZLYLDI-UHFFFAOYSA-N 280 C(=O)=O Monomolecular No Primary 14.667 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Salicylate 119-36-8 OSWPMRLSEDHDFF-UHFFFAOYSA-N 4133 COC(=O)C1=CC=CC=C1O Monomolecular No Primary 16 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Acetate 141-78-6 XEKOWRVHYACXOJ-UHFFFAOYSA-N 8857 CCOC(=O)C Monomolecular No Primary 17 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... 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 17.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl butyrate 105-54-4 OBNCKNCVKJNDBV-UHFFFAOYSA-N 7762 CCCC(=O)OCC Monomolecular No Primary 24.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Furfural 98-01-1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 7362 C1=COC(=C1)C=O Monomolecular No Primary 24.333 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanedione 431-03-8 QSJXEFYPDANLFS-UHFFFAOYSA-N 650 CC(=O)C(=O)C Monomolecular No Primary 32 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Octen-3-Ol 3391-86-4 VSMOENVRRABVKN-UHFFFAOYSA-N 18827 CCCCCC(C=C)O Sum of Isomers No Primary 33.333 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cyclohexanol 108-93-0 HPXRVTGHNJAIIH-UHFFFAOYSA-N 7966 C1CCC(CC1)O Monomolecular No Primary 42.833 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Amyl Acetate 628-63-7 PGMYKACGEOXYJE-UHFFFAOYSA-N 12348 CCCCCOC(=O)C Monomolecular No Primary 45.5 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cyclohexanone 108-94-1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 7967 C1CCC(=O)CC1 Monomolecular Yes Primary 53.5 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Heptanone 110-43-0 CATSNJVOTSVZJV-UHFFFAOYSA-N 8051 CCCCCC(=O)C Monomolecular Yes Primary 54.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Hexanol 111-27-3 ZSIAUFGUXNUGDI-UHFFFAOYSA-N 8103 CCCCCCO Monomolecular Yes Primary 57.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... trans-2-Hexenal 6728-26-3 MBDOYVRWFFCFHM-SNAWJCMRSA-N 5281168 CCC/C=C/C=O Monomolecular Yes Primary 63.333 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Carbon Dioxide 124-38-9 CURLTUGMZLYLDI-UHFFFAOYSA-N 280 C(=O)=O Monomolecular No Primary 14.667 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Salicylate 119-36-8 OSWPMRLSEDHDFF-UHFFFAOYSA-N 4133 COC(=O)C1=CC=CC=C1O Monomolecular No Primary 16 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Acetate 141-78-6 XEKOWRVHYACXOJ-UHFFFAOYSA-N 8857 CCOC(=O)C Monomolecular No Primary 17 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... 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 17.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl butyrate 105-54-4 OBNCKNCVKJNDBV-UHFFFAOYSA-N 7762 CCCC(=O)OCC Monomolecular No Primary 24.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Furfural 98-01-1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 7362 C1=COC(=C1)C=O Monomolecular No Primary 24.333 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanedione 431-03-8 QSJXEFYPDANLFS-UHFFFAOYSA-N 650 CC(=O)C(=O)C Monomolecular No Primary 32 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Octen-3-Ol 3391-86-4 VSMOENVRRABVKN-UHFFFAOYSA-N 18827 CCCCCC(C=C)O Sum of Isomers No Primary 33.333 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cyclohexanol 108-93-0 HPXRVTGHNJAIIH-UHFFFAOYSA-N 7966 C1CCC(CC1)O Monomolecular No Primary 42.833 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Amyl Acetate 628-63-7 PGMYKACGEOXYJE-UHFFFAOYSA-N 12348 CCCCCOC(=O)C Monomolecular No Primary 45.5 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cyclohexanone 108-94-1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 7967 C1CCC(=O)CC1 Monomolecular Yes Primary 53.5 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Heptanone 110-43-0 CATSNJVOTSVZJV-UHFFFAOYSA-N 8051 CCCCCC(=O)C Monomolecular Yes Primary 54.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Hexanol 111-27-3 ZSIAUFGUXNUGDI-UHFFFAOYSA-N 8103 CCCCCCO Monomolecular Yes Primary 57.167 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... trans-2-Hexenal 6728-26-3 MBDOYVRWFFCFHM-SNAWJCMRSA-N 5281168 CCC/C=C/C=O Monomolecular Yes Primary 63.333 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 4-Ethylguaiacol 2785-89-9 CHWNEIVBYREQRF-UHFFFAOYSA-N 62465 CCC1=CC(=C(C=C1)O)OC 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.
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... O-Cresol 95-48-7 QWVGKYWNOKOFNN-UHFFFAOYSA-N 335 CC1=CC=CC=C1O Monomolecular No Primary 1 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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