Inhibitors | Comment | Organism | Structure |
---|---|---|---|
ADPglucose | 1.3 mM, 50% inhibition of phosphorylase II, glucan phosphorolysis; strong inhibition of phosphorolysis, isozyme I | Pisum sativum | |
deoxypyridoxine | weak inhibition of phosphorylase I, not II | Pisum sativum | |
additional information | not inhibited by fructose 6-phosphate | Pisum sativum | |
pyridine 3-aldehyde | weak inhibition of phosphorylase I, not II | Pisum sativum | |
pyridine 4-aldehyde | inhibition of phosphorylase I, not II | Pisum sativum | |
pyridoxal | phosphorylase I, not II | Pisum sativum | |
pyridoxal 5'-phosphate | 74 and 76% inhibition of phosphorylase II and I respectively | Pisum sativum | |
pyridoxamine | weak inhibition of phosphorylase I, not II | Pisum sativum | |
pyridoxamine 5'-phosphate | weak inhibition of phosphorylase I, not II | Pisum sativum | |
UDPglucose | 2-3 mM, 50% inhibition of phosphorylase II, glucan phosphorolysis | Pisum sativum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | kinetic data | Pisum sativum | |
4 | - |
glucose 1-phosphate | phosphorylase I | Pisum sativum | |
5.5 | - |
glucose 1-phosphate | phosphorylase II | Pisum sativum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pisum sativum | - |
Victory Freezer | - |
Purification (Comment) | Organism |
---|---|
phosphorylase I, starch-Sepharose column, DEAE-cellulose, phosphorylase II, DEAE-cellulose, starch-Sepharose | Pisum sativum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
seed | - |
Pisum sativum | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
amylopectin + glucose 1-phosphate | potato amylopectin | Pisum sativum | amylopectin + phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | - |
Pisum sativum | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | requirement | Pisum sativum | |
pyridoxal 5'-phosphate | additional pyridoxalphosphate inhibits | Pisum sativum |