Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Sodium dodecyl sulfate | slight activation at 5% w/v | Gluconacetobacter diazotrophicus |
Cloned (Comment) | Organism |
---|---|
expression in Acetobacter azotrophicus wild-type strain SRT4, 6fold increase in periplasm, 1.7fold increase of extracellular enzyme | Gluconacetobacter diazotrophicus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-mercaptoethanol | slight inhibition at 50 mM | Gluconacetobacter diazotrophicus | |
dithiothreitol | weak inhibition at 50 mM | Gluconacetobacter diazotrophicus | |
proteinase K | 90% remaining activity after incubation at 37°C for 1 h | Gluconacetobacter diazotrophicus | |
Urea | weak inhibition at 5 M | Gluconacetobacter diazotrophicus |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
extracellular | signal peptide dependent secretion mechanism | Gluconacetobacter diazotrophicus | - |
- |
periplasm | precursor form, before secretion into the medium, maturation includes cleavage of 30 amino acid residue signal peptide and formation of a pyroglutamic acid residue, not attached to membranes | Gluconacetobacter diazotrophicus | - |
- |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
60000 | - |
x * 60000, SDS-PAGE | Gluconacetobacter diazotrophicus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
sucrose + (2,6-beta-D-fructosyl)n | Gluconacetobacter diazotrophicus | translocation of the enzyme is a rate-limiting step | glucose + (2,6-beta-D-fructosyl)n+1 | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Gluconacetobacter diazotrophicus | - |
i.e. Acetobacter diazotrophicus | - |
Gluconacetobacter diazotrophicus | - |
constitutive LsdA, strain SRT4 | - |
Purification (Comment) | Organism |
---|---|
extracellular and periplasmic forms | Gluconacetobacter diazotrophicus |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
2561 | - |
purified periplasmic enzyme | Gluconacetobacter diazotrophicus |
2603 | - |
purified extracellular enzyme | Gluconacetobacter diazotrophicus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
sucrose + (2,6-beta-D-fructosyl)n | - |
Gluconacetobacter diazotrophicus | glucose + (2,6-beta-D-fructosyl)n+1 | - |
? | |
sucrose + (2,6-beta-D-fructosyl)n | translocation of the enzyme is a rate-limiting step | Gluconacetobacter diazotrophicus | glucose + (2,6-beta-D-fructosyl)n+1 | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 60000, SDS-PAGE | Gluconacetobacter diazotrophicus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
assay at | Gluconacetobacter diazotrophicus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5.2 | - |
assay at | Gluconacetobacter diazotrophicus |