5N0F:
reference: An atypical interaction explains the high-affinity of a non-hydrolyzable S-linked 1,6-alpha-mannanase inhibitor., Belz T, Jin Y, Coines J, Rovira C, Davies GJ, Williams SJ, Chem Commun (Camb). 2017 Aug 25;53(66):9238-9241. doi: 10.1039/c7cc04977c. Epub, 2017 Aug 2. PMID: 28766587

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