Lamiot, Eric published the artcileInsect Sex Pheromone Binding by Bovine β-Lactoglobulin, Related Products of esters-buliding-blocks, the publication is Journal of Agricultural and Food Chemistry (1994), 42(3), 695-9, database is CAplus.
The binding of 24 derivatives of Cydia pomonella sex pheromone (dodecanol framework with 0, 1, or 2 conjugated double bonds at different positions of the aliphatic chain) and SDS to unmodified, acylated, alkylated, and esterified β-lactoglobulin (BLG) was studied by fluorescence spectrophotometry. Their apparent dissociation constants were in the range 0.2-0.9 × 10-6 M (apparent molar ratio ca. 1). Dodecyl acetate and SDS displayed the highest affinity for BLG, when (E,E)-6,8-dodecadienyl acetate and (E,E)-7,9-dodecadienyl acetate did not bind to BLG in the applied conditions. The apparent dissociation constants of derivatives unconstrained by conjugated double bonds did not differ. The BLG binding affinity of other studied pheromone derivatives depends on the number of double bonds, their position in the aliphatic chain, and their isomerization (Z or E). Since, neither (E)-3-dodecenyl acetate nor (Z,E)-8,10-dodecadienyl acetate nor retinol binding constants changed during their simultaneous binding by BLG, it was concluded that they bind in different binding sites on the BLG mol. The chem. modifications that increased the hydrophobicity of BLG prevented its binding of the apolar ligand pheromone mols.
Journal of Agricultural and Food Chemistry published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Related Products of esters-buliding-blocks.
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