4R9A:
reference: The water network in galectin-3 ligand binding site guides inhibitor design., Su J, Zhang T, Wang P, Liu F, Tai G, Zhou Y, Acta Biochim Biophys Sin (Shanghai). 2015 Mar;47(3):192-8. doi:, 10.1093/abbs/gmu132. Epub 2015 Feb 5. PMID: 25662390

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