Table 2.
List of 27 three-dimensional crystal structures, classification, and function of insect Odorant Binding Proteins.
| Order | Species Name | Name (PDB number) | Classification | Function | Reference* |
|---|---|---|---|---|---|
| Blattodea | Leucophaea maderae | PBP (1ORG) | Classic | Involved in recognition of sex pheromone components: 3-hydroxy-butan-2-on and butane-2,3-diol | (37, 38) |
| Coleoptera | Tenebrio molitor | THP12 (1C3Z) | Minus-C | N/A | (39) |
| Diptera | Aedes aegypti | OBP1 (3K1E) | Classic | N/A | (40) |
| OBP22 (6OG0) | Classic | Potentially involved in the recognition of fatty acids | (41) | ||
| Anopheles gambiae | OBP1 (2ERB) | Classic | Involved in host recognition | (42-45) | |
| OBP7 (3R1P) | Plus-C | N/A | (46) | ||
| OBP20 (3VB1) | Classic | N/A | (47) | ||
| OBP47 (3PM2) | Plus-C | N/A | (48) | ||
| OBP48 (4KYN) | Plus-C | N/A | (49) | ||
| Culex quinquefasciatus | OBP1 (3OGN) | Classic | Modulates ovipositional preference | (50, 51) | |
| Drosophila melanogaster | OBP28A (6QQ4) | Classic | Involved in the detection and mediation of sensitivity to fruit-like odors | (52) | |
| LUSH (OBP76A) (1T14) | Classic | Involved in host and pheromone recognition through mediation of alcohol compounds | (53-55) | ||
| Hemiptera | Megoura viciae | OBP3 (4Z39) | Classic | Potentially involved in the recognition of alarm pheromones | (56) |
| Nasovonia ribisnigri | OBP3 (4Z45) | Classic | Potentially involved in the recognition of alarm pheromones | (56) | |
| Hymenoptera | Apis melifera | ASP1 (OBP1) (3BJH) | Classic | Involved in the recognition of the queen pheromone | (57-60) |
| OBP5 (3R72) | Classic | N/A | To be published | ||
| ASP2 (GOBP2) (1TUJ) | Classic | Involved in non-sexual pheromone recognition | To be published, (61, 62) | ||
| OBP14 (3S0A) | Minus-C | Binds with the highest affinity to citralva and eugenol | (63) | ||
| Lepidoptera | Amyelois transitella | PBP1 (2KPH) | Classic | Involved in the recognition and transport of non-polar pheromone | (64, 65) |
| Antheraea polyphemus | PBP1 (1QWV) | Classic | Involved in the recognition of sex pheromone component (E, Z)-6,11-hexadecadienyl acetate (AC1) | (66-69) | |
| Bombyx mori | PBP1 (1DQE) | Classic | Modulates sensitivity to the sex pheromone bombykol | (70-72) | |
| GOBP2 (2WC5) | Classic | Involved in the recognition and discrimination of the sex pheromones bombykol and bombykal | (73, 74) | ||
| Epiphyas postvittana | PBP3 (6VQ5) | Classic | Involved in recognition of sex pheromone components: E11-14: OAc and E9, E11-14: OAc | (75) | |
| Helicoverpa armigera | PBP1 (7VW8) | Classic | Involved in recognition of sex pheromone components: to Z11-16: Ald and Z9-16: Ald | (76, 77) | |
| Lymantria dispar | PBP1 (6UM9) | Classic | N/A | (78) | |
| Neuroptera | Chrysopa pallens | OBP4 (6JPM) | Classic | Involved in the recognition of prey host plant volatiles | (79, 80) |
| Orthoptera | Locusta migratoria | OBP1 (4PT1) | Classic | N/A | (81) |
PDB, protein database; N/A, not available; OaC, acetoxy functional group; Ald, aldehyde functional group. * These references are listed in the Supplementary Material .