Table 4.

The key residues of DhelOBP4 interacted with HIPVs within 4 Å.

Ligands	Hydrophilic Residues	Hydrophobic Residues
α-Fenchene	-	Leu 11, Leu 32, Met 46, Ile 47, Met 50, Phe 126
p-Cymene	Tyr 90	Val 7, Phe 54, Val 56, Ala 68, Phe 71, Leu 72, Met 86
γ-Terpinene	Tyr 90	Val 7, Phe 54, Val 56, Ala 68, Phe 71, Leu 72, Met 86
Terpinolene	His 51	Val 7, Leu 11, Met 50, Phe 54, Phe 71, Phe 126
Fenchone	Tyr 90	Val 56, Ala 68, Phe 71, Leu 72, Met 86, Ile 89
Camphor	His 51, Gly 113	Ile 89, Leu 109, Ala 110, Ile 114, Pro 125, Phe 126
Pinocamphone	-	Leu 11, Leu 32, Ile 47, Met 50, Phe 54, Phe 126
Isopinocamphone	-	Leu 11, Leu 32, Met 46, Ile 47, Met 50, Phe 126
Terpinen-4-ol	Tyr 90	Phe 54, Val 56, Ala 68, Phe 71, Leu 72, Met 86
α-Terpineol	His 51, Tyr 90, Cys 93	Val 56, Ile 89, Ala 94, Leu 109, Ala 110, Phe 126
(-)-Verbenone	-	Leu 11, Leu 32, Met 46, Ile 47, Met 50, Phe 126