3RY2:
reference: Streptavidin and its biotin complex at atomic resolution., Le Trong I, Wang Z, Hyre DE, Lybrand TP, Stayton PS, Stenkamp RE, Acta Crystallogr D Biol Crystallogr. 2011 Sep;67(Pt 9):813-21. doi:, 10.1107/S0907444911027806. Epub 2011 Aug 9. PMID: 21904034

This OCA Structure page
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