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Information on EC - D-psicose 3-epimerase

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EC Tree
     5 Isomerases
         5.1 Racemases and epimerases
             5.1.3 Acting on carbohydrates and derivatives
       D-psicose 3-epimerase
IUBMB Comments
The enzyme is highly specific for D-psicose and shows very low activity with D-tagatose (cf. EC, D-tagatose 3-epimerase). The enzyme from the bacterium Clostridium scindens requires Mn2+ , whereas the enzymes from the bacteria Clostridium cellulolyticum [2,5], Clostridium sp. BNL1100 , and Clostridium bolteae require Co2+ as optimum cofactor. The enzyme from Ruminococcus sp. is not dependent on the presence of metal ions, but its activity is enhanced by Mn2+.
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The expected taxonomic range for this enzyme is: Bacteria, Archaea
Reaction Schemes
ACL75304 protein, CB-DPEase, Ccel_0941, Clo1100_1157, CLOBOL_00069, CLOSCI_02528, Dosp-DPEase, DPE, DPEase, DTEase, more
D-psicose = D-fructose
show the reaction diagram
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