KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.36 | - |
D-fructose 6-phosphate | pH 8.0 | Carassius auratus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | activates | Carassius auratus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
55000 | - |
1 * 55000 + 1 * 65000, SDS-PAGE | Carassius auratus |
65000 | - |
1 * 55000 + 1 * 65000, SDS-PAGE | Carassius auratus |
120000 | - |
gel filtration | Carassius auratus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-glucose 6-phosphate | Carassius auratus | - |
D-fructose 6-phosphate | - |
r | |
additional information | Carassius auratus | the multifunctional protein GPI shows specific and competitive inhibitory activity toward a myofibril-bound serine proteinase, MBSP, from Carassius auratus with a Ki of 320 nM, inhibition kinetics, while no inhibitory activity is identified toward other serine proteinases, such as white croaker MBSP and crucian carp trypsin, overview | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Carassius auratus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
native enzyme 468fold from skeletal muscle to homogeneity by ammonium sulfate fractionation, anion exchange and cation exchange chromatography, followed by gel filtration | Carassius auratus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
skeletal muscle | - |
Carassius auratus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
140 | - |
purified enzyme, substrate fructose 6-phosphate, reverse reaction | Carassius auratus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-fructose 6-phosphate | - |
Carassius auratus | D-glucose 6-phosphate | - |
r | |
D-glucose 6-phosphate | - |
Carassius auratus | D-fructose 6-phosphate | - |
r | |
additional information | the multifunctional protein GPI shows specific and competitive inhibitory activity toward a myofibril-bound serine proteinase, MBSP, from Carassius auratus with a Ki of 320 nM, inhibition kinetics, while no inhibitory activity is identified toward other serine proteinases, such as white croaker MBSP and crucian carp trypsin, overview | Carassius auratus | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
heterodimer | 1 * 55000 + 1 * 65000, SDS-PAGE | Carassius auratus |
Synonyms | Comment | Organism |
---|---|---|
PGI | - |
Carassius auratus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
18 | - |
D-fructose 6-phosphate | pH 8.0 | Carassius auratus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
assay at, reverse reaction | Carassius auratus |
General Information | Comment | Organism |
---|---|---|
physiological function | multifunctional protein GPI is an endogenous inhibitor to myofibril-bound serine proteinase, and may play a significant role in the regulation of muscular protein metabolism in vivo | Carassius auratus |