GDP-D-glycero-alpha-D-manno-heptose + 2-oxoglutarate <=> GDP-D-glycero-4-keto-alpha-D-lyxo-heptose + (S)-2-hydroxyglutarate
gdp-d-glycero-alpha-d-manno-heptose + 2-oxoglutarate <=> gdp-d-glycero-4-keto-alpha-d-lyxo-heptose + (s)-2-hydroxyglutarate