Fig. 2From: ProCarDB: a database of bacterial carotenoidsDistribution of data on the basis of (a) total number and (b) unique entries for carotenoids, total number of entries (c) and total entries for pathways (d), and distribution of carotenoids across organisms (e) and genes encoding for proteins involved in their synthesis (f). The data was divided according to the classes of carotenoids for the described aspectsBack to article page