Literature summary for 2.4.1.19 extracted from
Arya, S.K.; Srivastava, S.K.
Kinetics of immobilized cyclodextrin gluconotransferase produced by Bacillus macerans ATCC 8244 (2006), Enzyme Microb. Technol., 39, 507-510.
No PubMed abstract available
Activating Compound
Activating Compound |
Comment |
Organism |
Structure |
Ca2+ |
4 mM, 22% activation |
Paenibacillus macerans |
|
General Stability
General Stability |
Organism |
enzyme immobilized on alginate shows a high operational stability by retaining almost 75% of the initial activity after seventh use |
Paenibacillus macerans |
Inhibitors
Inhibitors |
Comment |
Organism |
Structure |
starch |
substrate inhibition at 0.01 and 0.0055 mg starch/ml for free and immobilized enzyme |
Paenibacillus macerans |
|
KM Value [mM]
KM Value [mM] |
KM Value Maximum [mM] |
Substrate |
Comment |
Organism |
Structure |
additional information |
- |
additional information |
Km-value for starch: 0.0025 mg/ml (soluble enzyme), 0.0045 mg/ml (enzyme immobilized on alginate) |
Paenibacillus macerans |
|
Localization
Localization |
Comment |
Organism |
GeneOntology No. |
Textmining |
extracellular |
- |
Paenibacillus macerans |
- |
- |
Metals/Ions
Metals/Ions |
Comment |
Organism |
Structure |
Co2+ |
10 mM, 28% inhibition |
Paenibacillus macerans |
|
Cu2+ |
10 mM, 20% inhibition |
Paenibacillus macerans |
|
Fe2+ |
10 mM, 58% inhibition |
Paenibacillus macerans |
|
Hg2+ |
10 mM, complete inhibition |
Paenibacillus macerans |
|
Mg2+ |
10 mM, 75% inhibition |
Paenibacillus macerans |
|
Zn2+ |
10 mM, 65% inhibition |
Paenibacillus macerans |
|
Organism
Organism |
UniProt |
Comment |
Textmining |
Paenibacillus macerans |
- |
ATCC 8244 |
- |
Purification (Commentary)
Purification (Comment) |
Organism |
- |
Paenibacillus macerans |
Temperature Optimum [°C]
Temperature Optimum [°C] |
Temperature Optimum Maximum [°C] |
Comment |
Organism |
60 |
- |
enzyme immobilized on alginate beads and soluble enzyme |
Paenibacillus macerans |
Temperature Range [°C]
Temperature Minimum [°C] |
Temperature Maximum [°C] |
Comment |
Organism |
40 |
80 |
40°C: immobilized enzyme shows about 55% of maximal activity, soluble enzyme about 65% of maximal activity, 80°C: immobilized enzyme shows about 50% loss of maximal activity, soluble enzyme shows about 70% of maximal activity |
Paenibacillus macerans |
pH Optimum
pH Optimum Minimum |
pH Optimum Maximum |
Comment |
Organism |
7.5 |
- |
- |
Paenibacillus macerans |
pH Range
pH Minimum |
pH Maximum |
Comment |
Organism |
5 |
8 |
pH 5: soluble enzyme shows about 50% of maximal activity, soluble enzyme shows about 60% of maximal activity, pH 8: soluble enzyme shows 40% of maximal activity, immobilized enzyme shows about 50% of maximal activity |
Paenibacillus macerans |
Ki Value [mM]
Ki Value [mM] |
Ki Value maximum [mM] |
Inhibitor |
Comment |
Organism |
Structure |
additional information |
- |
additional information |
Ki-value for starch: 0.01 mg/ml (soluble enzyme), 0.0055 mg/ml (enzyme immobilized on alginate) |
Paenibacillus macerans |
|