Function
Catalyzes the NAD(P)(+)-dependent oxidation of D-glucose to D-gluconate via gluconolactone. Is also significantly active with D-galactose as substrate, but not with D-xylose, L-arabinose, D-ribose, D-mannose, D-allose, D-glucosamine, 2-deoxy-D-glucose, or glucose-6-phosphate. Can utilize both NAD(+) and NADP(+) as electron acceptor, with a marked preference for NADP(+) (20-fold higher activity). Physiologically, may be involved in the degradation of both glucose and galactose through a non-phosphorylative variant of the Entner-Doudoroff pathway.
Sequence
MVRAIITNAPNGGVKIENVNINEPEHYEVKLRPVYTGLCGTDRGEVLGNLSFAYNEPGYNYLVLGHEAICQVIEASENPYKIKPGDYVVPVVRRPGKCVNCRIGREDDCSDGDKHEAGITGLHGFMRDYFYDEAKNLVKINDKNMVKVAVLTEPTKNVMKAFEVFDTVSKRSIFQGDDSTNLTKNCLIIGTGSEAFLYAFMAREYRFNVFMTNRHPVGEEKLSIISRINADFYDYTREDPLKGIDLLIDTSGDPGTIFRFVRKMNYNGVVILFGTNGRAPATSIDGEDIDYIIERNISLVGSVDGAKRHYLRAVEYLEKWNYSEGSVINRLITGVFEPEDVSIFTKKPENEIKSVIKWS