② CH2OH CH20P032 2-03P0H CH2OH HO 0 -0H OH -0H HO CH2OPO:2 CH20P032 Clucose 6-phosphate Glucose 6-phosphate Fructose 6-phosphate Fructose 6-phosphate (G-6P) (Open chain form) (Open chain form) (F-6P) 6-磷酸葡萄糖 6-磷酸果糖 磷酸葡萄糖异构酶 磷酸葡萄糖异构酶 ② 6-磷酸葡萄糖 6-磷酸果糖