2OW7:
reference: Binding of sulfonium-ion analogues of di-epi-swainsonine and 8-epi-lentiginosine to Drosophila Golgi alpha-mannosidase II: The role of water in inhibitor binding., Kumar NS, Kuntz DA, Wen X, Pinto BM, Rose DR, Proteins. 2007 Dec 12;. PMID: 18076078

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