Activating Compound | Comment | Organism | Structure |
---|---|---|---|
fumarate | activation | Musa x paradisiaca | |
Maleic acid | activation | Musa x paradisiaca | |
additional information | not activated by indoleacetic acid and gibberellic acid | Musa x paradisiaca |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
adenine | - |
Musa x paradisiaca | |
Ag+ | 2 mM, 78% inhibition | Musa x paradisiaca | |
Antiserum of purified phosphorylase | - |
Musa x paradisiaca | |
aromatic amino acid | - |
Musa x paradisiaca | |
ATP | 1 mM, 50% inhibition, at non-saturating levels of glucose 1-phosphate; additive inhibition together with tyrosine | Musa x paradisiaca | |
Cu2+ | 2 mM, 73% inhibition | Musa x paradisiaca | |
Fe2+ | 2 mM, 73% inhibition | Musa x paradisiaca | |
guanine | - |
Musa x paradisiaca | |
Hg2+ | 2 mM, complete inhibition | Musa x paradisiaca | |
L-tyrosine | additive inhibition together with ATP | Musa x paradisiaca | |
monohydroxyphenols | 10 mM, no inhibition at 1 mM | Musa x paradisiaca | |
additional information | not inhibited by 3-phosphoglycerate; not inhibited by adenosine, cytosine; not inhibited by F-, ClO4-; not inhibited by fructose 6-phosphate; not inhibited by GMP; not inhibited by non-aromatic amino acids; not inhibited by succinate, 2-oxoglutarate, malate | Musa x paradisiaca | |
p-chloromercuribenzoate | 0.5 mM, 60% inhibition, reversible by 10 mM 2-mercaptoethanol | Musa x paradisiaca | |
UDPglucose | 10 mM, 44% inhibition at non-saturating levels of glucose 1-phosphate | Musa x paradisiaca | |
Zn2+ | 2 mM, complete inhibition | Musa x paradisiaca |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | 0.13 mg/ml, starch phosphorolysis | Musa x paradisiaca | |
additional information | - |
additional information | 0.19 mg/ml, starch synthesis | Musa x paradisiaca | |
0.66 | - |
glucose 1-phosphate | starch synthesis | Musa x paradisiaca | |
10.87 | - |
phosphate | starch phosphorolysis | Musa x paradisiaca |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
additional information | - |
Musa x paradisiaca |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
55000 | - |
8 * 55000, SDS-PAGE | Musa x paradisiaca |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Musa x paradisiaca | - |
- |
- |
Purification (Comment) | Organism |
---|---|
ammonium sulfate, DEAE-cellulose, Sephadex G100, Sephadex g-200, starch-Sepharose affinity chromatography | Musa x paradisiaca |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Musa x paradisiaca | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1.5 | - |
- |
Musa x paradisiaca |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
(dextrin)n-1 + glucose 1-phosphate | less effective than starch, amylose or glycogen | Musa x paradisiaca | (dextrin)n + phosphate | - |
r | |
amylopectin + glucose 1-phosphate | less effective than starch, amylose or glycogen | Musa x paradisiaca | amylopectin + phosphate | - |
r | |
amylose + glucose 1-phosphate | best substrate | Musa x paradisiaca | amylose + phosphate | - |
? | |
glycogen + glucose 1-phosphate | best substrate | Musa x paradisiaca | glycogen + phosphate | - |
r | |
maltose + alpha-D-glucose 1-phosphate | less effective than starch, amylose or glycogen | Musa x paradisiaca | maltotriose + phosphate | - |
? | |
maltotriose + glucose 1-phosphate | less effective than starch, amylose or glycogen | Musa x paradisiaca | maltotetraose + phosphate | - |
r | |
starch + glucose 1-phosphate | best substrate | Musa x paradisiaca | starch + phosphate | - |
r | |
starch + glucose 1-phosphate | soluble starch | Musa x paradisiaca | starch + phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | no activity with sucrose | Musa x paradisiaca | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | no activity with glucose 6-phosphate, fructose 6-phosphate, and fructose 1,6-diphosphate | Musa x paradisiaca | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | no activity with ribose 5-phosphate | Musa x paradisiaca | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | strict specificity for glucose 1-phosphate | Musa x paradisiaca | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | no activity with Schardinger dextrin and cellulose | Musa x paradisiaca | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | polyglucose primer required | Musa x paradisiaca | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r |
Subunits | Comment | Organism |
---|---|---|
octamer | 8 * 55000, SDS-PAGE | Musa x paradisiaca |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
- |
Musa x paradisiaca |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
additional information | - |
heating enhances sensitivity to tyrosine inhibition | Musa x paradisiaca |
55 | - |
about 40% loss of activity within 5 min | Musa x paradisiaca |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | - |
synthesis | Musa x paradisiaca |
7.5 | - |
- |
Musa x paradisiaca |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
additional information | absence of pyridoxal 5'-phosphate | Musa x paradisiaca |