Sandbox Reserved 960: Difference between revisions
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The protein AmelASP1 has been identified in the antennae from the honeybee A.mellifera. Its primary sequence is 144 amino acids polypeptide with a molecular weight of 13.180 kDa. | The protein AmelASP1 has been identified in the antennae from the honeybee A.mellifera. Its primary sequence is a 144 amino acids polypeptide with a molecular weight of 13.180 kDa. | ||
AmelASP1 is part of the Pheromone Binding Protein (PBP) family. | AmelASP1 is part of the Pheromone Binding Protein (PBP) family. | ||
The 3D representation shown below was obtained at pH 5.5 using the nano-drops technique. | The 3D representation shown below was obtained at pH 5.5 using the nano-drops technique. | ||
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Furthermore, non covalent bonds also play an important role. | Furthermore, non covalent bonds also play an important role. | ||
Indeed, at pH 5.5, Asp 66 and Leu 58 establish an hydrogene bond which is able to fix a key component structure such as H4. | Indeed, at pH 5.5, Asp 66 and Leu 58 establish an <scene name='60/604479/Hydrogene_bond_1/1'>hydrogene bond</scene> which is able to fix a key component structure such as H4. | ||
With their hydrogene bond Val 118 and Ile 119 stabilize alpha helix 2 and C terminal’s position. (scene) | With their hydrogene bond Val 118 and Ile 119 stabilize alpha helix 2 and C terminal’s position. (scene) | ||
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== Related Forms == | == Related Forms == | ||
These structures shown below representing the same protein with variable ligand and pH emphasize and illustrate the binding versatility of PBP | These structures shown below representing the same protein with variable ligand and pH emphasize and illustrate the binding versatility of PBP. | ||
