EC Number | Cloned (Comment) | Organism |
---|---|---|
1.7.2.9 | - |
Candidatus Kuenenia stuttgartiensis |
EC Number | Crystallization (Comment) | Organism |
---|---|---|
1.7.2.9 | structure at 1.8 A resolution, structure is very similar to EC 1.7.2.6, hydroxylamine dehydrogenase with differences in their N- and C-terminal parts | Candidatus Kuenenia stuttgartiensis |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
1.7.2.9 | additional information | not inhibitory: NO up to 0.08 mM | Candidatus Kuenenia stuttgartiensis |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.7.2.9 | 0.0044 | - |
hydroxylamine | 37°C, pH not specified in the publication | Candidatus Kuenenia stuttgartiensis | |
1.7.2.9 | 0.054 | - |
hydrazine | 37°C, pH not specified in the publication | Candidatus Kuenenia stuttgartiensis |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
1.7.2.9 | 184200 | - |
sedimentation equilibrium ultracentrifugation | Candidatus Kuenenia stuttgartiensis |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.7.2.9 | hydrazine + ferricytochrome c | Candidatus Kuenenia stuttgartiensis | - |
? + ferrocytochrome c + H+ | - |
? | |
1.7.2.9 | hydroxylamine + 3 ferricytochrome c | Candidatus Kuenenia stuttgartiensis | - |
nitric oxide + 3 ferrocytochrome c + 3 H+ | - |
? | |
1.7.2.9 | additional information | Candidatus Kuenenia stuttgartiensis | enzyme does not catalyze any hydroxylamine disproportionation to ammonium and NO, nitrite, N2O, or N2 | ? | - |
- |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.7.2.9 | Candidatus Kuenenia stuttgartiensis | Q1PX48 | - |
- |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.7.2.9 | hydrazine + ferricytochrome c | - |
Candidatus Kuenenia stuttgartiensis | ? + ferrocytochrome c + H+ | - |
? | |
1.7.2.9 | hydroxylamine + 3 ferricytochrome c | - |
Candidatus Kuenenia stuttgartiensis | nitric oxide + 3 ferrocytochrome c + 3 H+ | - |
? | |
1.7.2.9 | additional information | enzyme does not catalyze any hydroxylamine disproportionation to ammonium and NO, nitrite, N2O, or N2 | Candidatus Kuenenia stuttgartiensis | ? | - |
- |
|
1.7.2.9 | nitrite + reduced methyl viologen | - |
Candidatus Kuenenia stuttgartiensis | NO + oxidized methyl viologen | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
1.7.2.9 | More | the subunits are linked by two covalent bonds between Tyr451 of one subunit and heme 4 of an adjacent subunit. Heme 4 is ligated by a single amino acid (His227) | Candidatus Kuenenia stuttgartiensis |
1.7.2.9 | trimer | 3 * 61500, calculated from sequence | Candidatus Kuenenia stuttgartiensis |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
1.7.2.9 | HAO | - |
Candidatus Kuenenia stuttgartiensis |
1.7.2.9 | hydroxylamine oxidoreductase | - |
Candidatus Kuenenia stuttgartiensis |
1.7.2.9 | kustc1061 | - |
Candidatus Kuenenia stuttgartiensis |
1.7.2.9 | NO-producing hydroxylamine oxidase | - |
Candidatus Kuenenia stuttgartiensis |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.7.2.9 | 4.9 | - |
hydrazine | 37°C, pH not specified in the publication | Candidatus Kuenenia stuttgartiensis | |
1.7.2.9 | 15 | - |
hydroxylamine | 37°C, pH not specified in the publication | Candidatus Kuenenia stuttgartiensis |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
1.7.2.9 | heme | protein harbors 24 heme c molecules in total, with low spin ferric c-heme. The P460 chromophore heme displays an Em' of 300 mV | Candidatus Kuenenia stuttgartiensis |
EC Number | kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.7.2.9 | 100 | - |
hydrazine | 37°C, pH not specified in the publication | Candidatus Kuenenia stuttgartiensis | |
1.7.2.9 | 3400 | - |
hydroxylamine | 37°C, pH not specified in the publication | Candidatus Kuenenia stuttgartiensis |