New Database Available - Released on 02/10/2026.
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567
Unique InChIKey
218
Unique Receptor Sequence
1
Unique Co-Receptor Sequence
848
EC50 Parameter
21
Unique DOI
BLAST (Receptor variants)
Receptor Name
Accession
Identity (%)
Species
Mutations
Sequence
Orco Q9VNB5 100.00 Drosophila melanogaster MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ...
Results
Showing 21421 to 21450 of 24584 results
 
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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 Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... γ-Valerolactone 108-29-2 GAEKPEKOJKCEMS-UHFFFAOYSA-N 7921 CC1CCC(=O)O1 Sum of Isomers Yes Dose-Response 0.001 V/V EC50 N.A. 11 Calcium Imaging Olympus BX51WI ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 1
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Propionic Acid
Propanoic acid 		79-09-4 XBDQKXXYIPTUBI-UHFFFAOYSA-N 1032 CCC(=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Isobutyric Acid
2-Methylpropanoic acid 		79-31-2 KQNPFQTWMSNSAP-UHFFFAOYSA-N 6590 CC(C)C(=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Butyric Acid
Butanoic acid 		107-92-6 FERIUCNNQQJTOY-UHFFFAOYSA-N 264 CCCC(=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Isovaleric Acid
3-Methylbutanoic acid 		503-74-2 GWYFCOCPABKNJV-UHFFFAOYSA-N 10430 CC(C)CC(=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Pentanoic Acid 109-52-4 NQPDZGIKBAWPEJ-UHFFFAOYSA-N 7991 CCCCC(=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Heptanoic Acid 111-14-8 MNWFXJYAOYHMED-UHFFFAOYSA-N 8094 CCCCCCC(=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Nonanoic Acid 112-05-0 FBUKVWPVBMHYJY-UHFFFAOYSA-N 8158 CCCCCCCCC(=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2,3-Butanediol 513-85-9 OWBTYPJTUOEWEK-UHFFFAOYSA-N 262 CC(C(C)O)O Sum of Isomers No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cyclohexanol 108-93-0 HPXRVTGHNJAIIH-UHFFFAOYSA-N 7966 C1CCC(CC1)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Octanol
Octanol 		111-87-5 KBPLFHHGFOOTCA-UHFFFAOYSA-N 957 CCCCCCCCO Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 1-Decanol
Decanol 		112-30-1 MWKFXSUHUHTGQN-UHFFFAOYSA-N 8174 CCCCCCCCCCO Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Propanal 123-38-6 NBBJYMSMWIIQGU-UHFFFAOYSA-N 527 CCC=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... trans-2-Hexenal
(E)-2-Hexenal 		6728-26-3 MBDOYVRWFFCFHM-SNAWJCMRSA-N 5281168 CCC/C=C/C=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Octanal 124-13-0 NUJGJRNETVAIRJ-UHFFFAOYSA-N 454 CCCCCCCC=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Decanal 112-31-2 KSMVZQYAVGTKIV-UHFFFAOYSA-N 8175 CCCCCCCCCC=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Phenylacetaldehyde 122-78-1 DTUQWGWMVIHBKE-UHFFFAOYSA-N 998 C1=CC=C(C=C1)CC=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Salicylaldehyde 90-02-8 SMQUZDBALVYZAC-UHFFFAOYSA-N 6998 C1=CC=C(C(=C1)C=O)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Guaiacol
2-Hydroxyanisole 		90-05-1 LHGVFZTZFXWLCP-UHFFFAOYSA-N 460 COC1=CC=CC=C1O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Anethole
4-Propenylanisole 		104-46-1 RUVINXPYWBROJD-ONEGZZNKSA-N 637563 C/C=C/C1=CC=C(C=C1)OC Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Benzaldehyde 100-52-7 HUMNYLRZRPPJDN-UHFFFAOYSA-N 240 C1=CC=C(C=C1)C=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 4-Methoxybenzaldehyde 123-11-5 ZRSNZINYAWTAHE-UHFFFAOYSA-N 31244 COC1=CC=C(C=C1)C=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Cuminaldehyde
4-Isopropyl-benzaldehyde 		122-03-2 WTWBUQJHJGUZCY-UHFFFAOYSA-N 326 CC(C)C1=CC=C(C=C1)C=O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Anisole
Methoxybenzene 		100-66-3 RDOXTESZEPMUJZ-UHFFFAOYSA-N 7519 COC1=CC=CC=C1 Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Methyleugenol
4-Allyl-1,2-Dimethoxybenzene 		93-15-2 ZYEMGPIYFIJGTP-UHFFFAOYSA-N 7127 COC1=C(C=C(C=C1)CC=C)OC Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Asarone
(E)-2,4,5-Trimethoxypropenylbenzene 		2883-98-9 RKFAZBXYICVSKP-AATRIKPKSA-N 636822 C/C=C/C1=CC(=C(C=C1OC)OC)OC Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Phenylacetonitrile
Benzyl cyanide 		140-29-4 SUSQOBVLVYHIEX-UHFFFAOYSA-N 8794 C1=CC=C(C=C1)CC#N Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... 2-Phenylethanol 60-12-8 WRMNZCZEMHIOCP-UHFFFAOYSA-N 6054 C1=CC=C(C=C1)CCO Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Acetophenone
Phenylethanone 		98-86-2 KWOLFJPFCHCOCG-UHFFFAOYSA-N 7410 CC(=O)C1=CC=CC=C1 Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
Drosophila melanogaster Or22a P81909 - MLSKFFPHIKEKPLSERVKSRDAFIYLDRV ... Drosophila melanogaster Orco Q9VNB5 - MTTSMQPSKYTGLVADLMPNIRAMKYSGLF ... Eugenol 97-53-0 RRAFCDWBNXTKKO-UHFFFAOYSA-N 3314 COC1=C(C=CC(=C1)CC=C)O Monomolecular No Dose-Response N.A. EC50 N.A. 11 Calcium Imaging N.A. ∆ Fluorescence Drosophila ab3A endogenous promoter Airborne Headspace 1 mL/s 1 mL/s 2 s Pelz, D., Roeske, T., Syed, Z. ... 10.1002/neu.20333 Table 2
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