Inhibitors | Comment | Organism | Structure |
---|---|---|---|
bathophenanthroline | slight | Phormidium laminosum | |
cyanide | 92% inhibition at 0.1 mM | Phormidium laminosum | |
hydroxylamine | 34% inhibition at 10 mM | Phormidium laminosum | |
N-ethylmaleimide | 47% inhibition at 1 mM | Phormidium laminosum | |
NaN3 | slight | Phormidium laminosum | |
p-hydroxymercuribenzoate | - |
Phormidium laminosum | |
SO32- | 24% inhibition at 10 mM | Phormidium laminosum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.022 | - |
oxidized ferredoxin | - |
Phormidium laminosum | |
0.04 | - |
nitrite | - |
Phormidium laminosum | |
0.215 | - |
methyl viologen | - |
Phormidium laminosum |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
chloroplast | - |
Phormidium laminosum | 9507 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
54000 | - |
gel filtration | Phormidium laminosum |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
nitrite + reduced ferredoxin | Phormidium laminosum | - |
ammonia + oxidized ferredoxin | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Phormidium laminosum | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Phormidium laminosum |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
625 | - |
- |
Phormidium laminosum |
Storage Stability | Organism |
---|---|
-20°C, several months | Phormidium laminosum |
4°C, 1 week | Phormidium laminosum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
NH3 + H2O + oxidized ferredoxin | - |
Phormidium laminosum | nitrite + reduced ferredoxin + H+ | - |
r | |
nitrite + reduced ferredoxin | - |
Phormidium laminosum | ammonia + oxidized ferredoxin | - |
? | |
nitrite + reduced ferredoxin | NADH | Phormidium laminosum | ammonia + oxidized ferredoxin | - |
? | |
nitrite + reduced ferredoxin | NADPH | Phormidium laminosum | ammonia + oxidized ferredoxin | - |
? | |
nitrite + reduced ferredoxin | other electron donor: methyl viologen | Phormidium laminosum | ammonia + oxidized ferredoxin | - |
? | |
nitrite + reduced ferredoxin | other electron donors: flavodoxin | Phormidium laminosum | ammonia + oxidized ferredoxin | - |
? | |
nitrite + reduced ferredoxin | not: flavin | Phormidium laminosum | ammonia + oxidized ferredoxin | - |
? | |
nitrite + reduced ferredoxin | other electron donor: benzyl viologen | Phormidium laminosum | ammonia + oxidized ferredoxin | - |
? | |
nitrite + reduced methyl viologen | - |
Phormidium laminosum | NH3 + H2O + oxidized methyl viologen | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 54000 SDS-PAGE | Phormidium laminosum |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
increase of activity up to 50°C | Phormidium laminosum |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
thermostable up to 40°C | Phormidium laminosum |
60 | - |
10 min, more than 95% loss of activity | Phormidium laminosum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.3 | - |
phosphate buffer | Phormidium laminosum |
7.6 | - |
Tris-HCl buffer | Phormidium laminosum |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
siroheme | prosthetic group | Phormidium laminosum |