ID   5.1.3.31
DE   D-tagatose 3-epimerase.
AN   ketose 3-epimerase.
AN   L-ribulose 3-epimerase.
CA   (1) keto-D-tagatose = keto-D-sorbose.
CA   (2) D-allulose = keto-D-fructose.
CC   -!- The enzymes isolated from the bacteria Pseudomonas cichorii,
CC       Pseudomonas sp. ST-24, Rhodobacter sphaeroides and Mesorhizobium loti
CC       catalyze the epimerization of various ketoses at the C3 position,
CC       interconverting D-fructose and D-psicose, D-tagatose and D-sorbose,
CC       D-ribulose and D-xylulose, and L-ribulose and L-xylulose.
CC   -!- The specificity depends on the species.
DR   C1KKR1, DT3E_CERSP ;  O50580, DT3E_PSECI ;  A0A172U6X0, LR3E_METSD ;
DR   Q98FW0, LR3E_RHILO ;
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