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Frequency distribution of carbohydrates in major taxonomic categories. The pie charts show the frequency distribution (%) of taxon-structure tuples in GlycomeDB for (A) general taxonomic categories; (B) subclassifications within Mammalia, with common names added; (C) subclassifications within the domain Bacteria. The absolute number of occurrences for each taxonomic group listed in the legends is given in parentheses.
