Fruex <-> Fru Glcex <-> Glc ATP + Glc <-> ADP + HexP ATP + Fru <-> ADP + HexP ATP + Fru <-> ADP + HexP 2*HexP <-> Suc6P + UDP Suc6P <-> Suc + phos Fru + HexP <-> Suc + UDP Suc <-> Fru + Glc HexP <-> glycolysis Suc <-> Sucvac