New Database Available - Released on 02/10/2026.
567
Unique InChIKey
218
Unique Receptor Sequence
1
Unique Co-Receptor Sequence
848
EC50 Parameter
21
Unique DOI
Receptor Name
Accession
Identity (%)
Species
Mutations
Sequence
Orco Q9VNB5 100.00 Drosophila melanogaster MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ...
Showing 14971 to 15000 of 24584 results
 
Species
Name
Mutated
Species
Name
Mutated
Name
Mixture
Responsive
Parameter
Value Nature
Nb. Measurements
–
Experimental Technique
Recording System
Type
Expression System
Expression Cell Type
Expression Driver
Odor Delivery System
Reference
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
Value
Value Nature
Concentration
Nb. measurements
Experimental Technique
Recording System
Type
Expression System
Expression Cell Type
Expression Driver
Odor Delivery System
Stimulation Flux
Main Flux
Stimulation Duration
Reference
DOI
Reference Position
Drosophila melanogaster Or85a Q9VHS4 - MIFKYIQEPVLGSLFRSRDSLIYLNRSIDQ ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ammonium Hydroxide 1336-21-6 VHUUQVKOLVNVRT-UHFFFAOYSA-N 14923 [NH4+].[OH-] Monomolecular No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or85a Q9VHS4 - MIFKYIQEPVLGSLFRSRDSLIYLNRSIDQ ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Propionic Acid
Propanoic acid
79-09-4 XBDQKXXYIPTUBI-UHFFFAOYSA-N 1032 CCC(=O)O Monomolecular No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or85a Q9VHS4 - MIFKYIQEPVLGSLFRSRDSLIYLNRSIDQ ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Terpinolene 586-62-9 MOYAFQVGZZPNRA-UHFFFAOYSA-N 11463 CC1=CCC(=C(C)C)CC1 Monomolecular No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or88a Q9VFN2 - MKPTEIKKPYRMEEFLRPQMFQEVAQMVHF ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Penten-3-Ol 616-25-1 VHVMXWZXFBOANQ-UHFFFAOYSA-N 12020 CCC(C=C)O Sum of Isomers No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or88a Q9VFN2 - MKPTEIKKPYRMEEFLRPQMFQEVAQMVHF ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Propanol 71-23-8 BDERNNFJNOPAEC-UHFFFAOYSA-N 1031 CCCO Monomolecular No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or88a Q9VFN2 - MKPTEIKKPYRMEEFLRPQMFQEVAQMVHF ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Dimethyl Sulfide 75-18-3 QMMFVYPAHWMCMS-UHFFFAOYSA-N 1068 CSC Monomolecular No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or88a Q9VFN2 - MKPTEIKKPYRMEEFLRPQMFQEVAQMVHF ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Putrescine 110-60-1 KIDHWZJUCRJVML-UHFFFAOYSA-N 1045 C(CCN)CN Monomolecular No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or98a Q9VAZ3 - MLFNYLRKPNPTNLLTSPDSFRYFEYGMFC ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Penten-3-Ol 616-25-1 VHVMXWZXFBOANQ-UHFFFAOYSA-N 12020 CCC(C=C)O Sum of Isomers No Primary -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
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 -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
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 -6 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or10a Q9VYZ1 - MSEWLRFLKRDQQLDVYFFAVPRLSLDIMG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Butanol 71-36-3 LRHPLDYGYMQRHN-UHFFFAOYSA-N 263 CCCCO Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or10a Q9VYZ1 - MSEWLRFLKRDQQLDVYFFAVPRLSLDIMG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2,3-Butanediol 513-85-9 OWBTYPJTUOEWEK-UHFFFAOYSA-N 262 CC(C(C)O)O Sum of Isomers No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or10a Q9VYZ1 - MSEWLRFLKRDQQLDVYFFAVPRLSLDIMG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 3-Methyl-2-buten-1-OL 556-82-1 ASUAYTHWZCLXAN-UHFFFAOYSA-N 11173 CC(=CCO)C Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or10a Q9VYZ1 - MSEWLRFLKRDQQLDVYFFAVPRLSLDIMG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 3-Hexenol
Z-3-Hexenol
928-96-1 UFLHIIWVXFIJGU-ARJAWSKDSA-N 5281167 CC/C=C\CCO Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or10a Q9VYZ1 - MSEWLRFLKRDQQLDVYFFAVPRLSLDIMG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Benzyl Alcohol 100-51-6 WVDDGKGOMKODPV-UHFFFAOYSA-N 244 C1=CC=C(C=C1)CO Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or10a Q9VYZ1 - MSEWLRFLKRDQQLDVYFFAVPRLSLDIMG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Methyl-4-Prop-1-En-2-Ylcyclohexene
Limonene
138-86-3 XMGQYMWWDOXHJM-UHFFFAOYSA-N 22311 CC1=CCC(CC1)C(=C)C Sum of Isomers No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or19a Q9I816 - MDISKVDSTRALVNHWRIFRIMGIHPPGKR ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cadaverine 462-94-2 VHRGRCVQAFMJIZ-UHFFFAOYSA-N 273 C(CCN)CCN Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... (-)-Caryophyllene
(-)-trans-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 -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... (+)-3-Carene
(1S)-(+)-3-carene
498-15-7 BQOFWKZOCNGFEC-BDAKNGLRSA-N 443156 CC1=CC[C@@H]2[C@H](C1)C2(C)C Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Benzaldehyde 100-52-7 HUMNYLRZRPPJDN-UHFFFAOYSA-N 240 C1=CC=C(C=C1)C=O Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Benzyl Alcohol 100-51-6 WVDDGKGOMKODPV-UHFFFAOYSA-N 244 C1=CC=C(C=C1)CO Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl formate
Ethyl methanoate
109-94-4 WBJINCZRORDGAQ-UHFFFAOYSA-N 8025 CCOC=O Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl Propionate 105-37-3 FKRCODPIKNYEAC-UHFFFAOYSA-N 7749 CCC(=O)OCC Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Pentanal 110-62-3 HGBOYTHUEUWSSQ-UHFFFAOYSA-N 8063 CCCCC=O Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Propanal 123-38-6 NBBJYMSMWIIQGU-UHFFFAOYSA-N 527 CCC=O Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or33b P81915 - MDLKPRVIRSEDIYRTYWLYWHLLGLESNF ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Benzaldehyde 100-52-7 HUMNYLRZRPPJDN-UHFFFAOYSA-N 240 C1=CC=C(C=C1)C=O Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or35a Q9V3Q2 - MVRYVPRFADGQKVKLAWPLAVFRLNHIFW ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Linalool, oxide 1365-19-1 BRHDDEIRQPDPMG-UHFFFAOYSA-N 22310 CC1(CCC(O1)C(C)(C)O)C=C Sum of Isomers No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or43a P81917 - MTIEDIGLVGINVRMWRHLAVLYPTPGSSW ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 4-Ethylguaiacol 2785-89-9 CHWNEIVBYREQRF-UHFFFAOYSA-N 62465 CCC1=CC(=C(C=C1)O)OC Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or43a P81917 - MTIEDIGLVGINVRMWRHLAVLYPTPGSSW ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Myrcene
beta-myrcene
123-35-3 UAHWPYUMFXYFJY-UHFFFAOYSA-N 31253 CC(=CCCC(=C)C=C)C Monomolecular No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
Drosophila melanogaster Or43a P81917 - MTIEDIGLVGINVRMWRHLAVLYPTPGSSW ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... gamma-Octalactone
Gamma Octalactone
104-50-7 IPBFYZQJXZJBFQ-UHFFFAOYSA-N 7704 CCCCC1CCC(=O)O1 Sum of Isomers No Primary -5 Spikes/s Norm. receptor 0.01 V/V 4 Single Sensillum Recording glass electrode Spiking Frequency Drosophila ab3A Or22a-Gal4 Airborne Paper 5.9 mL/s 24 mL/s 500 ms Hallem, E. A., & Carlson, J. R ... 10.1016/j.cell.2006.01.050 Table S1
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