Activating Compound | Comment | Organism | Structure |
---|---|---|---|
dithiothreitol | required to maintain activity | Homo sapiens |
Crystallization (Comment) | Organism |
---|---|
dialysis against 50 mM Tris and 40 mM 2-mercaptoethanol, pH 6.8 at 0°C | Homo sapiens |
General Stability | Organism |
---|---|
dithiothreitol stabilizes | Homo sapiens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
DTNB | - |
Homo sapiens | |
DTNB | - |
Oryctolagus cuniculus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | kinetic data | Homo sapiens | |
additional information | - |
additional information | kinetic data | Oryctolagus cuniculus | |
additional information | - |
additional information | kinetic data | Homarus americanus | |
additional information | - |
additional information | kinetic data | Carcharhinus falciformis | |
additional information | - |
additional information | comparison of muscle phosphorylases of various animals | Homo sapiens | |
additional information | - |
additional information | comparison of muscle phosphorylases of various animals | Oryctolagus cuniculus | |
additional information | - |
additional information | comparison of muscle phosphorylases of various animals | Homarus americanus | |
additional information | - |
additional information | comparison of muscle phosphorylases of various animals | Carcharhinus falciformis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
175000 | - |
phosphorylase b, sucrose density gradient centrifugation | Homo sapiens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Carcharhinus falciformis | - |
silky shark | - |
Homarus americanus | - |
American lobster | - |
Homo sapiens | - |
- |
- |
Oryctolagus cuniculus | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
muscle | - |
Homo sapiens | - |
muscle | - |
Oryctolagus cuniculus | - |
muscle | - |
Homarus americanus | - |
muscle | - |
Carcharhinus falciformis | - |
Storage Stability | Organism |
---|---|
storage in frozen or lyophilized state, crystalline human, not rabbit, phosphorylase a or b, stable to | Homo sapiens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
[(1->4)-alpha-D-glucosyl]n + phosphate | - |
Homo sapiens | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | - |
Oryctolagus cuniculus | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | - |
Homarus americanus | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r | |
[(1->4)-alpha-D-glucosyl]n + phosphate | - |
Carcharhinus falciformis | [(1->4)-alpha-D-glucosyl]n-1 + alpha-D-glucose 1-phosphate | - |
r |
Subunits | Comment | Organism |
---|---|---|
More | phosphorylase a dissociates into active dimers in the presence of high salt concentration, glucose or glycogen, human enzyme at 5 mg/ml protein concentration, the rabbit enzyme remains a tetramer even at 1 mg/ml | Homo sapiens |
More | phosphorylase a dissociates into active dimers in the presence of high salt concentration, glucose or glycogen, human enzyme at 5 mg/ml protein concentration, the rabbit enzyme remains a tetramer even at 1 mg/ml | Oryctolagus cuniculus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
crystalline, several h stable | Homo sapiens |