Structural Basis of the Honey Bee PBP Pheromone and pH-induced Conformational Change

Marion E. Pesenti, Silvia Spinelli, Valérie Bezirard, Loïc Briand, Jean Claude Pernollet, Mariella Tegoni, Christian Cambillau

Research output: Contribution to journalArticle

Abstract

The behavior of insects and their perception of their surroundings are driven, in a large part, by odorants and pheromones. This is especially true for social insects, such as the honey bee, where the queen controls the development and the caste status of the other individuals. Pheromone perception is a complex phenomenon relying on a cascade of recognition events, initiated in antennae by pheromone recognition by a pheromone-binding protein and finishing with signal transduction at the axon membrane level. With to the objective of deciphering this initial step, we have determined the structures of the bee antennal pheromone-binding protein (ASP1) in the apo form and in complex with the main component of the queen mandibular pheromonal mixture, 9-keto-2(E)-decenoic acid (9-ODA) and with nonpheromonal components. In the apo protein, the C terminus obstructs the binding site. In contrast, ASP1 complexes have different open conformations, depending on the ligand shape, leading to different volumes of the binding cavity. The binding site integrity depends on the C terminus (111-119) conformation, which involves the interplay of two factors; i.e. the presence of a ligand and a low pH. Ligand binding to ASP1 is favored by low pH, opposite to what is observed with other pheromone-binding proteins, such as those of Bombyx mori and Anopheles gambiae.

Original languageEnglish
Pages (from-to)158-169
Number of pages12
JournalJournal of Molecular Biology
Volume380
Issue number1
DOIs
Publication statusPublished - Jun 27 2008

Fingerprint

Honey
Bees
Pheromones
Carrier Proteins
Ligands
Insects
Binding Sites
Anopheles gambiae
Bombyx
Social Class
Axons
Signal Transduction
Membranes
Proteins

Keywords

  • Apis mellifera
  • crystal structure
  • honeybee
  • pheromone-binding protein
  • signal transduction

ASJC Scopus subject areas

  • Virology

Cite this

Pesenti, M. E., Spinelli, S., Bezirard, V., Briand, L., Pernollet, J. C., Tegoni, M., & Cambillau, C. (2008). Structural Basis of the Honey Bee PBP Pheromone and pH-induced Conformational Change. Journal of Molecular Biology, 380(1), 158-169. https://doi.org/10.1016/j.jmb.2008.04.048

Structural Basis of the Honey Bee PBP Pheromone and pH-induced Conformational Change. / Pesenti, Marion E.; Spinelli, Silvia; Bezirard, Valérie; Briand, Loïc; Pernollet, Jean Claude; Tegoni, Mariella; Cambillau, Christian.

In: Journal of Molecular Biology, Vol. 380, No. 1, 27.06.2008, p. 158-169.

Research output: Contribution to journalArticle

Pesenti, ME, Spinelli, S, Bezirard, V, Briand, L, Pernollet, JC, Tegoni, M & Cambillau, C 2008, 'Structural Basis of the Honey Bee PBP Pheromone and pH-induced Conformational Change', Journal of Molecular Biology, vol. 380, no. 1, pp. 158-169. https://doi.org/10.1016/j.jmb.2008.04.048
Pesenti ME, Spinelli S, Bezirard V, Briand L, Pernollet JC, Tegoni M et al. Structural Basis of the Honey Bee PBP Pheromone and pH-induced Conformational Change. Journal of Molecular Biology. 2008 Jun 27;380(1):158-169. https://doi.org/10.1016/j.jmb.2008.04.048
Pesenti, Marion E. ; Spinelli, Silvia ; Bezirard, Valérie ; Briand, Loïc ; Pernollet, Jean Claude ; Tegoni, Mariella ; Cambillau, Christian. / Structural Basis of the Honey Bee PBP Pheromone and pH-induced Conformational Change. In: Journal of Molecular Biology. 2008 ; Vol. 380, No. 1. pp. 158-169.
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