磷酸已锴异构酶 G-6-P +F-6-P 磷酸己糖异构酶(phosphohexose isomerase) 6-磷酸葡萄糖（醛糖aldose sugar)) 6-磷酸果糖(fructose-6-phosphate,F-6-P) 6 O-CH2 5 0 H H Mg2+ CH2OH OH H HO 2 OH phosphohexose HO isomerase H OH 4 H OH OH H Glucose 6-phosphate Fructose 6-phosphate △Go=1.7kJ/mol
磷酸己糖异构酶(phosphohexose isomerase) 6-磷酸葡萄糖(醛糖aldose sugar) 6-磷酸果糖(fructose-6-phosphate,F-6-P)
PFK1 -1ATP F-6-P+ATP->F-1,6-P2+ADP 磷酸果糖激酶1(phosphofructokinase 1,PFK1) 果糖1,6二磷酸(fructosel,6-biophosphate) 0 0 6 6 -0-P-0-CH20 0 CH2-OH ATP ADP -0-P-0-CH2 0 CH20-P-0 0 HO M 5 0 HO OH phosphofructokinase-1 H OH 4 OH H OH H Fructose 6-phosphate Fructose 1,6-bisphosphate △G°=-14.2kJ/mol
-1ATP 磷酸果糖激酶1(phosphofructokinase l, PFK1) 果糖1，6二磷酸（fructose1,6-biophosphate）
醛缩酶 F-1,6-p2 磷酸二羟丙酮3磷酸甘油酪 醛缩酶(aldolase)) 磷酸二羟丙酮(dihydroxyacetone phosphate) 3-磷酸甘油醛 (glyceraldehyde-3-phosphate) 磷酸丙糖异构酶 磷酸二羟丙丽 3-磷酸甘油醛 磷酸丙糖异构酶(triose phosphate isomerase)
醛缩酶(aldolase) 磷酸二羟丙酮（dihydroxyacetone phosphate) 3-磷酸甘油醛 (glyceraldehyde-3-phosphate) 磷酸丙糖异构酶(triose phosphate isomerase)
0 0 0 0-P-0-CH0 GH2-0-P-0 CH2-0-P-0 0 HO C=0 0 HCOH O OH aldolase CH,OH CH2-0-P-0 OH H 0 Fructose 1,6-bisphosphate Dihydroxyacetone Glyceraldehyde phosphate 3-phosphate △G°=23.8kJ/mol
H CH2OH C=0 HCOH 0 triose phosphate isomerase CH2-0-P-0 CH2-0-P-0 0 0 Dihydroxyacetone Glyceraldehyde phosphate 3-phosphate △G°=7.5kJ/mol