Crystal structure of a pheromone binding protein mutant D35A, from Apis mellifera, at pH 7.0

Queen bee pheromone binding protein pH-induced domain swapping favors pheromone release

The pH Driven Domain-swapping Dimerization of Queen Bee ASP1 Favours Pheromone Release

APDWVPPEVFDLVAEDKARCMSEHGTTQAQIDDVAKGNLVNEPSITCYMYCLLEAFSLVDDEANVDEDIMLGLLPDQLQE
RAQSVMGKCLPTSGSDNCNKIYNLAKCVQESAPDVWFVI

2.1M ammonium sulfate, 0.2M di-ammonium phosphate, 20mM di-sodium phosphate, pH7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

The apo form of the same native protein at pH 5.5

The apo form of the same native protein soaked at pH 4.0

The same native protein in complex with the n-butyl benzene sulfonamide at pH 5.5

The same native protein in complex with the n-butyl benzene sulfonamide soaked at pH 7.0

The same native protein in complex with the queen mandibular pheromone at pH 5.5

The same native protein in complex with the 9-keto-2(E)-decenoic acid at pH 5.5

The same native protein in complex with the hexadecanoic acid at pH 5.5

The same native protein in complex with the 9-keto-2(E)-decenoic acid at pH 7.0

The same native protein in complex with the queen mandibular pheromone at pH 7.0

The same native protein in complex with the n-butyl benzene sulfonamide at pH 7.0

The apo form of the same native protein at pH 7.0

The D35A mutant protein in complex with the n-butyl benzene sulfonamide soaked at pH 5.5

The same mutant D35N protein in complex with the n-butyl benzene sulfonamide at pH 5.5

The same mutant D35N protein in complex with the n-butyl benzene sulfonamide soaked at pH 7.0

The same mutant D35N protein in complex with the n-butyl benzene sulfonamide soaked at pH 4.0

The dimeric structure of the same mutant D35N protein in complex with the n-butyl benzene sulfonamide at pH 7.0

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS

Pheromone binding protein, Honey bee, Apis mellifera, signal transduction, queen mandibular protein, pH

APDWVPPEVFDLVAEDKARCMSEHGTTQAQIDDVDKGNLVNEPSITCYMYCLLEAFSLVDDEANVDEDIMLGLLPDQLQE
RAQSVMGKCLPTSGSDNCNKIYNLAKCVQESAPDVWFVI