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 15511 to 15540 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 Or23a P81912 - MKLSETLKIDYFRVQLNAWRICGALDLSEG ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... gamma-Octalactone
Gamma Octalactone
104-50-7 IPBFYZQJXZJBFQ-UHFFFAOYSA-N 7704 CCCCC1CCC(=O)O1 Sum of Isomers No Primary 3 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 ... Hexanoic Acid 142-62-1 FUZZWVXGSFPDMH-UHFFFAOYSA-N 8892 CCCCCC(=O)O Monomolecular No Primary 3 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 ... Linalool 78-70-6 CDOSHBSSFJOMGT-UHFFFAOYSA-N 6549 CC(=CCCC(C)(C=C)O)C Sum of Isomers No Primary 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butanedione
2,3 Butanedione
431-03-8 QSJXEFYPDANLFS-UHFFFAOYSA-N 650 CC(=O)C(=O)C Monomolecular No Primary 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Ethylhexanoic acid 149-57-5 OBETXYAYXDNJHR-UHFFFAOYSA-N 8697 CCCCC(CC)C(=O)O Sum of Isomers No Primary 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ammonium Hydroxide 1336-21-6 VHUUQVKOLVNVRT-UHFFFAOYSA-N 14923 [NH4+].[OH-] Monomolecular No Primary 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Citronellol
beta-citronellol
106-22-9 QMVPMAAFGQKVCJ-UHFFFAOYSA-N 8842 CC(CCC=C(C)C)CCO Sum of Isomers No Primary 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... 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 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl formate
Ethyl methanoate
109-94-4 WBJINCZRORDGAQ-UHFFFAOYSA-N 8025 CCOC=O Monomolecular No Primary 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Heptanoic Acid 111-14-8 MNWFXJYAOYHMED-UHFFFAOYSA-N 8094 CCCCCCC(=O)O Monomolecular No Primary 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... 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 3 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 Or2a O46077 - MEKQEDFKLNTHSAVYYHWRVWELTGLMRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Pyruvic Acid 127-17-3 LCTONWCANYUPML-UHFFFAOYSA-N 1060 CC(=O)C(=O)O Monomolecular No Primary 3 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 ... 1-Octanol 111-87-5 KBPLFHHGFOOTCA-UHFFFAOYSA-N 957 CCCCCCCCO Monomolecular No Primary 3 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 ... Ethyl cinnamate 103-36-6 KBEBGUQPQBELIU-CMDGGOBGSA-N 637758 CCOC(=O)/C=C/C1=CC=CC=C1 Monomolecular No Primary 3 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 ... Methyl Octanoate 111-11-5 JGHZJRVDZXSNKQ-UHFFFAOYSA-N 8091 CCCCCCCC(=O)OC Monomolecular No Primary 3 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 ... P-Cymene 99-87-6 HFPZCAJZSCWRBC-UHFFFAOYSA-N 7463 CC1=CC=C(C=C1)C(C)C Monomolecular No Primary 3 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 ... Pentanal 110-62-3 HGBOYTHUEUWSSQ-UHFFFAOYSA-N 8063 CCCCC=O Monomolecular No Primary 3 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 ... Propanal 123-38-6 NBBJYMSMWIIQGU-UHFFFAOYSA-N 527 CCC=O Monomolecular No Primary 3 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 ... Humulene
alpha-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 3 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 ... 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 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 ... Methyl hexanoate 106-70-7 NUKZAGXMHTUAFE-UHFFFAOYSA-N 7824 CCCCCC(=O)OC Monomolecular No Primary 3 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 Or43b P81918 - MFGHFKLVYPAPISEPIQSRDSNAYMMETL ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 4-Ethylguaiacol 2785-89-9 CHWNEIVBYREQRF-UHFFFAOYSA-N 62465 CCC1=CC(=C(C=C1)O)OC Monomolecular No Primary 3 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 Or43b P81918 - MFGHFKLVYPAPISEPIQSRDSNAYMMETL ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ammonium Hydroxide 1336-21-6 VHUUQVKOLVNVRT-UHFFFAOYSA-N 14923 [NH4+].[OH-] Monomolecular No Primary 3 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 Or43b P81918 - MFGHFKLVYPAPISEPIQSRDSNAYMMETL ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl octanoate 106-32-1 YYZUSRORWSJGET-UHFFFAOYSA-N 7799 CCCCCCCC(=O)OCC Monomolecular No Primary 3 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 Or47a P81921 - MDSFLQVQKSTIALLGFDLFSENREMWKRP ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Acetone 67-64-1 CSCPPACGZOOCGX-UHFFFAOYSA-N 180 CC(=O)C Monomolecular No Primary 3 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 Or49b Q9V6H2 - MFEDIQLIYMNIKILRFWALLYDKNLRRYV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyl Ethyl Ketone
2-Butanone
78-93-3 ZWEHNKRNPOVVGH-UHFFFAOYSA-N 6569 CCC(=O)C Monomolecular No Primary 3 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 Or49b Q9V6H2 - MFEDIQLIYMNIKILRFWALLYDKNLRRYV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Pentanone 107-87-9 XNLICIUVMPYHGG-UHFFFAOYSA-N 7895 CCCC(=O)C Monomolecular No Primary 3 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 Or49b Q9V6H2 - MFEDIQLIYMNIKILRFWALLYDKNLRRYV ... 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 3 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 Or49b Q9V6H2 - MFEDIQLIYMNIKILRFWALLYDKNLRRYV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl formate
Ethyl methanoate
109-94-4 WBJINCZRORDGAQ-UHFFFAOYSA-N 8025 CCOC=O Monomolecular No Primary 3 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 Or49b Q9V6H2 - MFEDIQLIYMNIKILRFWALLYDKNLRRYV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Ethyl trans-crotonate
Ethyl trans-2-butenoate
623-70-1 ZFDIRQKJPRINOQ-HWKANZROSA-N 429065 CCOC(=O)/C=C/C Monomolecular No Primary 3 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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