1SWN: reference: Structural studies of binding site tryptophan mutants in the high-affinity streptavidin-biotin complex., Freitag S, Le Trong I, Chilkoti A, Klumb LA, Stayton PS, Stenkamp RE, J Mol Biol 1998 May 29;279(1):211-21. PMID: 9636711 |
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