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Fig. 13 | Journal of Cheminformatics

Fig. 13

From: Too sweet: cheminformatics for deglycosylation in natural products

Fig. 13

a 5′-Amino-5′-C-carboxy-5′-deoxy-β-d-ribofuranose contains a side chain of 5 heavy atoms (in blue) connected to the sugar ring (in pink). b 4′-Amino-2′,4′-dideoxy-β-l-fucose with only two oxygen atoms connected to the central sugar ring and extra nitrogen and methyl groups (in red). c 4′,5′-Unsaturated-α-d-mannuronic acid, not recognized as a sugar by the SRU because of the double bond in the sugar ring (in red). d 4′-Keto-3′,4′,5′-trideoxy-β-d-xylose with an exocyclic double bond in form of a keto group. e 4-(Hydroxymethyl)-1,3-dioxane-2,5-diol contains two oxygen atoms (in red) inside the ring. f 3,7-Diaminooctahydropyrano[3,2-b]pyran-2,4,6-triol is made up of a fused ring system (in red) that is not detectable by the SRU

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