6wn6
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Crystal structure of 3-keto-D-glucoside 4-epimerase, YcjR, from E. coli, apo form
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Structural highlights
FunctionYCJR_ECOLI Catalyzes the epimerization at C4 of 3-dehydro-D-gulosides leading to 3-dehydro-D-glucosides. Probably functions in a metabolic pathway that transforms D-gulosides to D-glucosides. Can use methyl alpha-3-dehydro-D-glucoside and methyl beta-3-dehydro-D-glucoside as substrates in vitro. However, the actual specific physiological substrates for this metabolic pathway are unknown. Cannot act on D-psicose, D-fructose, D-tagatose, D-sorbose, L-xylulose, or L-ribulose.[1] References
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This page was last modified 14:45, 6 March 2024.