Cloned (Comment) | Organism |
---|---|
expressed as His-tag fusion protein in Escherichia coli | Rhodobacter capsulatus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
25000 | - |
x * 25000, SDS-PAGE, weak band at 50000 Da which possibly corresponds to the dimeric form of the enzyme, calculated mass of the His-tagged protein is 24200 Da | Rhodobacter capsulatus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | Rhodobacter capsulatus | in vivo role as dihydropteridine reductase involved in aromatic amino acids metabolism suggested | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Rhodobacter capsulatus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
recombinant protein using His-tag | Rhodobacter capsulatus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
6,7-dimethyl-7,8-dihydropterin + NADPH + H+ | as the quinonoid forms of pterines are very unstable, the reaction is carried out with a dimethyl analogue in the presence of H2O2 and radish peroxidase to allow the continuous formation of 6,7-dimethyl-7,8-dihydropterine, activity is 25fold higher than the nitroreductase activity 2,4-dinitrophenol | Rhodobacter capsulatus | 6,7-dimethyl-5,6,7,8-tetrahydropterin + NADP+ | - |
? | |
additional information | in vivo role as dihydropteridine reductase involved in aromatic amino acids metabolism suggested | Rhodobacter capsulatus | ? | - |
? | |
additional information | enzyme shows nitroreductase activity with several different substrates such as 2,4-dinitrophenol, 2,4-dinitrobenzoate and nitrofurazone | Rhodobacter capsulatus | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
More | x * 25000, SDS-PAGE, weak band at 50000 Da which possibly corresponds to the dimeric form of the enzyme, calculated mass of the His-tagged protein is 24200 Da | Rhodobacter capsulatus |
Synonyms | Comment | Organism |
---|---|---|
NprA nitroreductase | enzyme shows nitroreductase activity with a wide range of nitroaromatic compounds, but highest activity is detected with the quinonoid form of 6,7-dimethyl-7,8-dihydropterine as substrate, in vivo role as dihydropteridine reductase involved in aromatic amino acids metabolism suggested | Rhodobacter capsulatus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
- |
Rhodobacter capsulatus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Rhodobacter capsulatus |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
FMN | one molecule bound per enzyme | Rhodobacter capsulatus | |
NADPH | - |
Rhodobacter capsulatus |