TABLE 2.
Binding affinities of SlitOBP11 for plant volatile compounds and female sex pheromones of S. litura.
| Odorant | IC50 (μmol L–1) | Ki (μmol L–1)∗ |
| Sex pheromone component | ||
| (Z, E)-9,11-tetradecadienyl acetate | 15.56 ± 1.407 | 13.88 ± 1.4412 |
| (Z, E)-9,12-tetradecadienyl acetate | 16.19 ± 0.32 | 14.40 ± 0.3173 |
| (Z)-9-tetradecenyl acetate | 11.21 ± 0.55 | 9.97 ± 0.4923 |
| (E)-11-tetradecenly acetate | 15.24 ± 0.54 | 13.53 ± 0.4789 |
| Aromatic compounds | ||
| Benzaldehyde | >50 | — |
| Phenylacetaldehyde | 43.36 ± 10.07 | 35.83 ± 9.7553 |
| Phenethyl alcohol | >50 | — |
| Benzyl alcohol | >50 | — |
| Benzyl acetate | >50 | — |
| Phenethyl acetate | 48.59 ± 0.52 | 43.06 ± 0.4882 |
| Methyl anthranilate | >50 | — |
| Ethylbenzene | >50 | — |
| Methyl ketone compounds | ||
| 3-hexanone | >50 | — |
| 2-hexanone | >50 | — |
| Terpenoids | ||
| (+)-Carvone | >50 | — |
| Geranylacetone | >50 | — |
| (±)-Linalool | >50 | — |
| Beta-caryophyllene | >50 | — |
| Farnesene | >50 | — |
| Trans-nerolidol | >50 | — |
| Alpha-phellandrene | >50 | — |
| (R)-(+)-limonene | >50 | — |
| Myrcene | >50 | — |
| Geranyl acetate | >50 | — |
| Heterocyclic compounds | ||
| Eucalyptol | >50 | — |
| Indole | >50 | — |
| Lipid compound | ||
| Tridecane | >50 | — |
| Tetradecane | >50 | — |
| Cis-3-hexenyl acetate | >50 | — |
| Alpha- ionol | >50 | — |
| Beta-ionone | >50 | — |
| Methyl salicylate | >50 | — |
| N-octadecane | >50 | — |
| Octyl aldehyde | >50 | — |
| Dodecane | >50 | — |
| Decanal | >50 | — |
| Acid compounds | ||
| Acetic acid | >50 | — |
| Propanoic acid | >50 | — |
| Butyric acid | >50 | — |
| Isobutyric acid | >50 | — |
| Pentanoic acid | >50 | — |
| 2-methylbutyric acid | >50 | — |
| 3-methylbutyric acid | >50 | — |
| Hexanoic acid | >50 | — |
| 3-methylpentanoic acid | >50 | — |
| 4-methylpentanoic acid | >50 | — |
| Heptanoic acid | >50 | — |
| Crotonic acid | >50 | — |
*For values of IC50 higher than 50 μmol L–1, the corresponding Ki values were not calculated and are indicated with “-”.