1WBI:
reference: Avidin related protein 2 shows unique structural and functional features among the avidin protein family., Hytonen VP, Maatta JA, Kidron H, Halling KK, Horha J, Kulomaa T, Nyholm TK, Johnson MS, Salminen TA, Kulomaa MS, Airenne TT, BMC Biotechnol. 2005 Oct 7;5:28. PMID: 16212654

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