Table 3. Subfamilies containing ORs with known ligands.
| OR* | Subfamily† | Locus | Ligand | Structure‡ |
|---|---|---|---|---|
| MOR23 (267-13) | 34 (5) | 1-172 | Lyral |  |
| ID3 (136-6) | 151 (14) | 2-33 | (±)-Carvone |  |
| IG7 (276-1) | 66 (3) | 2-50 | (±)-Limonene |  |
| OR73 (174-9) | 78 (5) | 2-84 | Eugenol |  |
| OR74 (174-4) | 78 (5) | 2-84 | Ethyl vanillin |  |
| OR912-93 (175-1) | 108 (5) | 2-84 | n-Aliphatic ketones |  |
| S25 (204-32) | 118 (10) | 7-103 | n-Aliphatic alcohols |  |
| S46 (32-4) | 208 (6) | 7-99 | n-Aliphatic acids |  |
| S85 (13-6) | 222 (5) | 7-99 | n-Aliphatic acids | |
| S86 (8-2) | 224 (3) | 7-99 | n-Aliphatic acids | |
| S18 (31-2) | 204 (4) | 7-99 | n-Aliphatic acids/alcohols | |
| S19 (33-1) | 207 (2) | 7-99 | n-Aliphatic acids/alcohols | |
| S41 (22-2) | 203 (4) | 7-99 | n-Aliphatic acids/alcohols | |
| S51 (40-1) | 192 (2) | 7-99 | n-Aliphatic acids/alcohols | |
| S83 (40-4) | 193 (4) | 7-99 | n-Aliphatic acids/alcohols | |
| S6 (42-3) | 241 (3) | 7-99 | n-Aliphatic dicarboxylic acids |  |
| S50 (42-1) | 241 (3) | 7-99 | n-Aliphatic dicarboxylic acids | |
| 17 (103-15) | 13 (2) | 7-103 | Heptanal |  |
| M71 (171-2) | 111 (9) | 9-31 | Acetophenone |  |
| S1 (106-1) | 16 (9) | 14-43 | n-Aliphatic acids | |
| S3 (106-13P) | 16 (9) | 14-43 | n-Aliphatic alcohols | |
| IC6 (118-1) | 4 (1) | 14-49 | (−)-Citronellal |  |
*
MOR designations of Zhang and Firestein (5) are in parentheses.
†
Subfamily designation is followed by number of ORs in subfamily in parentheses. Some ORs here belong to the same subfamilies.
‡
For ORs that detect n-aliphatic acids and alcohols, only one example of each odorant type is shown.