Glycogenesis

spinqualitylabelsall models Hexokinase I complex with ATP analog, glucose, glucose-phosphate and Mg+2 ion (PDB code 1qha) Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Glycogenesis is the process of glycogen synthesis, in which glucose molecules are added to chains of glycogen for storage. This process is activated during rest periods following the Cori cycle, in the liver, and also activated by insulin in response to high glucose levels. Step 1 Hexokinase The Structure and Mechanism of Hexokinase Hexokinase Type 1 Glucose is converted into glucose-6-phosphate by the action of glucokinase or hexokinase with conversion of ATP to ADP. Step 2 Glucose-6-phosphate is converted into glucose-1-phosphate by the action of phosphoglucomutase (e.g. Rabbit muscle phosphoglucomutase 1jdy), passing through the obligatory intermediate glucose-1,6-bisphosphate. Step 3 Glucose-1-phosphate is converted into UDP-glucose by the action of the enzyme UDP-glucose pyrophosphorylase. Pyrophosphate is formed, which is later hydrolysed by pyrophosphatase into two phosphate molecules.

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