2Y32:
reference: Structure of bradavidin - C-terminal residues act as intrinsic ligands., Leppiniemi J, Gronroos T, Maatta JA, Johnson MS, Kulomaa MS, Hytonen VP, Airenne TT, PLoS One. 2012;7(5):e35962. Epub 2012 May 4. PMID: 22574129

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