EC Number | Application | Comment | Organism |
---|---|---|---|
3.2.1.40 | food industry | the enzyme can remove the bitter taste of naringin from citrus juices. Improvement of thermostabilty can promote the practical value of the enzyme in citrus juice processing | Aspergillus niger |
EC Number | Cloned (Comment) | Organism |
---|---|---|
3.2.1.40 | expression in Pichia pastoris | Aspergillus niger |
EC Number | Protein Variants | Comment | Organism |
---|---|---|---|
3.2.1.40 | V529A | mutant enzyme with improved thermostability, improved substrate affinity and better resistance to the inhibition of glucose | Aspergillus niger |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.40 | 8.84 | - |
4-nitrophenyl alpha-L-rhamnopyranoside | pH 5.0, 60°C, mutant enzyme V529A | Aspergillus niger | |
3.2.1.40 | 12.9 | - |
4-nitrophenyl alpha-L-rhamnopyranoside | pH 5.0, 60°C, wild-type enzyme | Aspergillus niger |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.2.1.40 | Aspergillus niger | R9W5L0 | - |
- |
3.2.1.40 | Aspergillus niger JMU-TS528 | R9W5L0 | - |
- |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.40 | 4-nitrophenyl alpha-L-rhamnopyranoside + H2O | - |
Aspergillus niger | 4-nitrophenol + alpha-L-rhamnopyranose | - |
? | |
3.2.1.40 | 4-nitrophenyl alpha-L-rhamnopyranoside + H2O | - |
Aspergillus niger JMU-TS528 | 4-nitrophenol + alpha-L-rhamnopyranose | - |
? | |
3.2.1.40 | ginsenoside Rg2 + H2O | low activity | Aspergillus niger | ginsenoside Rh1 + alpha-L-rhamnose | - |
? | |
3.2.1.40 | ginsenoside Rg2 + H2O | low activity | Aspergillus niger JMU-TS528 | ginsenoside Rh1 + alpha-L-rhamnose | - |
? | |
3.2.1.40 | hesperidin + H2O | - |
Aspergillus niger | hesperetin 7-O-beta-D-glucoside + alpha-L-rhamnose | - |
? | |
3.2.1.40 | hesperidin + H2O | - |
Aspergillus niger JMU-TS528 | hesperetin 7-O-beta-D-glucoside + alpha-L-rhamnose | - |
? | |
3.2.1.40 | myricitrin + H2O | low activity | Aspergillus niger | 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-one + alpha-L-rhamnose | - |
? | |
3.2.1.40 | naringin + H2O | - |
Aspergillus niger | beta-D-glucopyranosyl-2,3-dihydro-4',5,7-trihydroxyflavone + alpha-L-rhamnose | - |
? | |
3.2.1.40 | naringin + H2O | - |
Aspergillus niger JMU-TS528 | beta-D-glucopyranosyl-2,3-dihydro-4',5,7-trihydroxyflavone + alpha-L-rhamnose | - |
? | |
3.2.1.40 | rutin + H2O | - |
Aspergillus niger | isoquercitrin + alpha-L-rhamnose | - |
? | |
3.2.1.40 | rutin + H2O | - |
Aspergillus niger JMU-TS528 | isoquercitrin + alpha-L-rhamnose | - |
? | |
3.2.1.40 | saikosaponin C + H2O | low activity | Aspergillus niger | (3beta,16beta)-16-hydroxy-13,28-epoxyolean-11-en-3-yl) 6-O-beta-D-glucopyranosyl-beta-D-glucopyranoside + alpha-L-rhamnose | - |
? |
EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.2.1.40 | 60 | - |
T1/2: 14.2 h (mutant enzyme V529A), 12.28 h (wild-type enzyme) | Aspergillus niger |
3.2.1.40 | 65 | - |
T1/2: 50 min (mutant enzyme V529A), 35 min (wild-type enzyme) | Aspergillus niger |
3.2.1.40 | 70 | - |
T1/2: 6.35 min (mutant enzyme V529A), 4.35 min (wild-type enzyme) | Aspergillus niger |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.40 | 5380 | - |
4-nitrophenyl alpha-L-rhamnopyranoside | pH 5.0, 60°C, mutant enzyme V529A | Aspergillus niger | |
3.2.1.40 | 10200 | - |
4-nitrophenyl alpha-L-rhamnopyranoside | pH 5.0, 60°C, wild-type enzyme | Aspergillus niger |
EC Number | kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.40 | 608.6 | - |
4-nitrophenyl alpha-L-rhamnopyranoside | pH 5.0, 60°C, mutant enzyme V529A | Aspergillus niger | |
3.2.1.40 | 792 | - |
4-nitrophenyl alpha-L-rhamnopyranoside | pH 5.0, 60°C, wild-type enzyme | Aspergillus niger |