Input interpretation
glycogen degradation I (human metabolic pathway)
Alternate name
glycogen catabolism
Pathway topology
Pathway topology
Pathway components
| D-(+)-glucose | dextrose | dextrosol | D-glucose | glucose | grape sugar | sugar, grape | 180.2 g/mol | | C_6H_12O_6 | beta-D-glucose-6-phosphate | 260.1 g/mol | | C_6H_13O_9P | maltotriose | amylotriose | 504.4 g/mol | | C_18H_32O_16 | alpha-D-glucopyranose | (2S, 3R, 4S, 5S, 6R)-6-(hydroxymethyl)oxane-2, 3, 4, 5-tetrol | (2S, 3R, 4S, 5S, 6R)-6-(hydroxymethyl)tetrahydropyran-2, 3, 4, 5-tetrol | (2S, 3R, 4S, 5S, 6R)-6-methyloltetrahydropyran-2, 3, 4, 5-tetrol | alpha-D-glucose | dextrose | glucose | 180.2 g/mol | | C_6H_12O_6 | maltose | D-maltose | maltobiose | malt sugar | 342.3 g/mol | | C_12H_22O_11 | maltotetraose | 666.6 g/mol | | C_24H_42O_21 | alpha-D-glucose-1-phosphate | 260.1 g/mol | | C_6H_13O_9P | a limit dextrin | a glycogen phosphorylase-limit dextrin | a glycogen phosphorylase-limited dextrin | | | | a debranched limit dextrin | a debranched glycogen phosphorylase-limit dextrin | a debranched glycogen phosphorylase-limited dextrin | | | | glucose-6-phosphate | 260.1 g/mol | | C_6H_13O_9P | a glycogen | | |
Pathway steps
| reaction ⟶ | + ATP ⟶ + ADP | glucokinase ⟶ + | + phosphate ⟶ + | glycogen phosphorylase, muscle form + ⟶ + | + ⟶ + | 4-alpha-glucanotransferase ⟶ + | + H_2O ⟶ + | (none) ⟶ + | + phosphate ⟶ + | (none) ⟶ | ⟶ | phosphoglucomutase 1 (fragment) | phosphoglucomutase-like protein 5 | phosphoglucomutase ⟶ + | + H_2O ⟶ + | glycogen debranching enzyme
Related pathways
| overlapping components trehalose degradation V | glycogen degradation II | GDP-glucose biosynthesis | UDP-glucose conversion | Entner-Doudoroff pathway II (non-phosphorylative) | UDP-galactose biosynthesis (salvage pathway from galactose using UDP-glucose) |