L-Ribose Production from L-Arabinose by Using Purified L-Arabinose Isomerase and Mannose-6-Phosphate Isomerase from Geobacillus thermodenitrificans

Two enzymes, L-arabinose isomerase and mannose-6-phosphate isomerase, from Geobacillus thermodenitrificans produced 118 g/liter L-ribose from 500 g/liter L-arabinose at pH 7.0, 70°C, and 1 mM Co²⁺ for 3 h, with a conversion yield of 23.6% and a volumetric productivity of 39.3 g liter⁻¹ h⁻¹....

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