2EJN:
reference: Structural characterization of the tetrameric form of the major cat allergen Fel d 1., Kaiser L, Velickovic TC, Badia-Martinez D, Adedoyin J, Thunberg S, Hallen D, Berndt K, Gronlund H, Gafvelin G, van Hage M, Achour A, J Mol Biol. 2007 Jul 20;370(4):714-27. Epub 2007 May 10. PMID: 17543334

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