3JZJ:
reference: Crystal Structures of the Solute Receptor GacH of Streptomyces glaucescens in Complex with Acarbose and an Acarbose Homolog: Comparison with the Acarbose-Loaded Maltose-Binding Protein of Salmonella typhimurium., Vahedi-Faridi A, Licht A, Bulut H, Scheffel F, Keller S, Wehmeier UF, Saenger W, Schneider E, J Mol Biol. 2010 Feb 2. PMID: 20132828

This OCA Structure page
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