PDB 4wp4:

Latex allergy can be a major issue in the healthcare environment and can lead to anaphylactic shock in extreme cases. This study examines how a protein allergen is modified during the manufacturing process of latex products. The structure was determined of an allergen after first purifiying the protein from surgical gloves! 

The paper is published in Molecular Immunology by Galicia et al. 10.1016/j.molimm.2015.01.018