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5.1.3.4: L-ribulose-5-phosphate 4-epimerase

This is an abbreviated version!
For detailed information about L-ribulose-5-phosphate 4-epimerase, go to the full flat file.

Word Map on EC 5.1.3.4

Reaction

L-ribulose 5-phosphate
=
D-xylulose 5-phosphate

Synonyms

araD, Epimerase, L-ribulose phosphate 4-, L-Ribulose phosphate 4-epimerase, L-Ribulose-5-phosphate 4-epimerase, Phosphoribulose isomerase, Ribulose phosphate 4-epimerase

ECTree

     5 Isomerases
         5.1 Racemases and epimerases
             5.1.3 Acting on carbohydrates and derivatives
                5.1.3.4 L-ribulose-5-phosphate 4-epimerase

Application

Application on EC 5.1.3.4 - L-ribulose-5-phosphate 4-epimerase

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APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
synthesis
-
improvement of a bacterial L-arabinose utilization pathway consisting of L-arabinose isomerase from Bacillus licheniformis and L-ribulokinase and L-ribulose-5-phosphate 4-epimerase from Escherichia coli after expression of the corresponding genes in Saccharomyces cerevisiae. After adaptation of codon usage, yeast transformants show strongly improved L-arabinose conversion rates. The ethanol production rate from L-arabinose can be increased more than 2.5fold from 0.014 g ethanol per h and g dry weight to 0.036 g ethanol per h and g dry weight and the ethanol yield can be increased from 0.24 g ethanol per g consumed L-arabinose to 0.39 g ethanol per g consumed L-arabinose