KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.71 | - |
Pectin | immobilized enzyme, at 20°C | Prunus armeniaca | |
0.77 | - |
Pectin | free enzyme, at 20°C | Prunus armeniaca |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Prunus armeniaca | - |
Malatya apricot | - |
Purification (Comment) | Organism |
---|---|
partial purification by ammonium sulfate precipitation and dialysis | Prunus armeniaca |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
pulp | - |
Prunus armeniaca | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
5.83 | - |
crude extract, at 20°C | Prunus armeniaca |
70.92 | - |
after 12.2fold purification, at 20°C | Prunus armeniaca |
2702 | - |
purified enzyme immobilized onto porous glass beads, at 20°C | Prunus armeniaca |
Storage Stability | Organism |
---|---|
4°C, enzyme immobilized onto glutaraldehyde-containing amino group functionalized porous glass beads surface, 30 days, retains 50% of its initial activity | Prunus armeniaca |
4°C, free enzyme, 30 days, retains 25% of its initial activity | Prunus armeniaca |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
pectin + H2O | - |
Prunus armeniaca | methanol + pectate | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
immobilized enzyme | Prunus armeniaca |
60 | - |
free enzyme | Prunus armeniaca |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
70 | 90 | the immobilized pectinesterase retains 35% of its optimum activity whereas the free pectinesterase is 85% active at 70°C, the free and immobilized pectinesterases retain 40% and 30% of their optimum activities at 80°C, free and immobilized pectinesterase enzymes lose about 95% and 80% of their original activities at 90°C for 45 min | Prunus armeniaca |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
immobilized enzyme | Prunus armeniaca |
9 | - |
free enzyme | Prunus armeniaca |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
4 | 9.5 | - |
Prunus armeniaca |