6F91:
reference: Bacteroides thetaiotaomicron generates diverse alpha-mannosidase activities through subtle evolution of a distal substrate-binding motif., Thompson AJ, Spears RJ, Zhu Y, Suits MDL, Williams SJ, Gilbert HJ, Davies GJ, Acta Crystallogr D Struct Biol. 2018 May 1;74(Pt 5):394-404. doi:, 10.1107/S2059798318002942. Epub 2018 Apr 24. PMID: 29717710

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