Application | Comment | Organism |
---|---|---|
pharmacology | since the enzyme exhibits antifungal activity against phytopathogenic and human pathogenic fungi, it can be used as an alternative biofungicide | Pseudoalteromonas tunicata |
Cloned (Comment) | Organism |
---|---|
gene Ptchi19, DNA and amino acid sequence determination and analysis, expression in Eschereichia coli | Pseudoalteromonas tunicata |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | 8% inhibition at 5 mM | Pseudoalteromonas tunicata | |
Cd2+ | 93% inhibition at 5 mM | Pseudoalteromonas tunicata | |
Cu2+ | complete inhibition at 5 mM | Pseudoalteromonas tunicata | |
Fe2+ | 88% inhibition at 5 mM | Pseudoalteromonas tunicata | |
Hg2+ | complete inhibition at 5 mM | Pseudoalteromonas tunicata | |
K+ | 10% inhibition at 5 mM | Pseudoalteromonas tunicata | |
Mn2+ | 34% inhibition at 5 mM | Pseudoalteromonas tunicata | |
additional information | poor inhibition by Mg2+ at 5 mM | Pseudoalteromonas tunicata | |
Ni2+ | 89% inhibition at 5 mM | Pseudoalteromonas tunicata |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
53500 | - |
x * 53500, recombinant enzyme, SDS-PAGE | Pseudoalteromonas tunicata |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pseudoalteromonas tunicata | - |
gene Ptchi19 | - |
Pseudoalteromonas tunicata CCUG 44952T | - |
gene Ptchi19 | - |
Purification (Comment) | Organism |
---|---|
recombinant enzyme 8.2fold from Escherichia coli | Pseudoalteromonas tunicata |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
16.4 | - |
purified recombinant enzyme, pH 7.5, 43°C, substrate crystalline chitin | Pseudoalteromonas tunicata |
59.9 | - |
purified recombinant enzyme, pH 7.5, 43°C, substrate colloidal chitin | Pseudoalteromonas tunicata |
2382 | - |
purified recombinant enzyme, pH 7.5, 43°C, substrate 4-nitrophenyl N-acetyl-beta-D-glucosamine | Pseudoalteromonas tunicata |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-nitrophenyl N-acetyl-beta-D-glucosamine + H2O | best substrate | Pseudoalteromonas tunicata | 4-nitrophenol + N-acetyl-beta-D-glucosamine | - |
? | |
4-nitrophenyl N-acetyl-beta-D-glucosamine + H2O | best substrate | Pseudoalteromonas tunicata CCUG 44952T | 4-nitrophenol + N-acetyl-beta-D-glucosamine | - |
? | |
colloidal chitin + H2O | from crab shell chitin | Pseudoalteromonas tunicata | ? | - |
? | |
colloidal chitin + H2O | from crab shell chitin | Pseudoalteromonas tunicata CCUG 44952T | ? | - |
? | |
crystalline chitin + H2O | from crab shells | Pseudoalteromonas tunicata | ? | - |
? | |
crystalline chitin + H2O | from crab shells | Pseudoalteromonas tunicata CCUG 44952T | ? | - |
? | |
additional information | no activity with 4-nitrophenyl N,N',N''-beta-D-triacetylchitotriose and 4-nitrophenyl N,N'-beta-diacetylchitobiose | Pseudoalteromonas tunicata | ? | - |
? | |
additional information | no activity with 4-nitrophenyl N,N',N''-beta-D-triacetylchitotriose and 4-nitrophenyl N,N'-beta-diacetylchitobiose | Pseudoalteromonas tunicata CCUG 44952T | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 53500, recombinant enzyme, SDS-PAGE | Pseudoalteromonas tunicata |
More | multi-domain structure are the domain (D132-A155) where the active site is located, and the domain (A437-W479) that includes a C-terminal carbohydrate-binding module 5 | Pseudoalteromonas tunicata |
Synonyms | Comment | Organism |
---|---|---|
Ptchi19p | - |
Pseudoalteromonas tunicata |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Pseudoalteromonas tunicata |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
20 | 50 | recombinant enzyme, activity range | Pseudoalteromonas tunicata |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
assay at | Pseudoalteromonas tunicata |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6 | 9.5 | recombinant enzyme, activity range | Pseudoalteromonas tunicata |
General Information | Comment | Organism |
---|---|---|
evolution | the enzyme belongs to the glycosyl hydrolase family GH19 | Pseudoalteromonas tunicata |
physiological function | the enzyme exhibits antifungal activity against phytopathogenic and human pathogenic fungi | Pseudoalteromonas tunicata |