LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Birch pollen allergen. Molecular model of the secondary structure of Bet v 1l, the molecule responsible for allergic reactions to birch pollen. Here, Bet v 1l is shown in complex with two deoxycholate molecules (grey and red spheres), whose primary structure is shown. Individuals that are allergic to birch pollen, experience hay fever in March and May.
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