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Literature summary for 1.7.2.6 extracted from
- Selective one-electron reduction of Nitrosomonas europaea hydroxylamine oxidoreductase with nitric oxide (2003), Inorg. Chem., 42, 270-272.
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 68000 | - |
3 * 68000 | Nitrosomonas europaea |
| 200000 | - |
gel filtration | Nitrosomonas europaea |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| hydroxylamine + ferricytochrome c + H2O | Nitrosomonas europaea | - |
nitrite + ferrocytochrome c + H+ | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Nitrosomonas europaea | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| ammonium sulfate precipitation, octyl-Sepharose column chromatography, and Sephacryl S-200 gel filtration | Nitrosomonas europaea |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| hydroxylamine + ferricytochrome c + H2O | - |
Nitrosomonas europaea | nitrite + ferrocytochrome c + H+ | - |
? | |
| hydroxylamine + ferricytochrome c554 | - |
Nitrosomonas europaea | nitric oxide + ferrocytochrome c554 + H+ | - |
? | |
| hydroxylamine + N,N'-bis(carboxymethyl)-N,N'-dinitroso-1,4-phenylenediamine | - |
Nitrosomonas europaea | nitric oxide + ? | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| homotrimer | 3 * 68000 | Nitrosomonas europaea |
| trimer | 3 * 68000 | Nitrosomonas europaea |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| HAO | - |
Nitrosomonas europaea |
| hydroxylamine oxidoreductase | - |
Nitrosomonas europaea |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| heme | each subunit contains seven c-type hemes and an eighth heme known as P460 | Nitrosomonas europaea | |
| heme c | - |
Nitrosomonas europaea | |
| additional information | each monomer contains 7 c-type hemes and a novel heme known as P460, the role of the c-hemes appears to be the transfer of electrons from the P460 active site to 1 or more electron acceptors, cytochrome c554 is the most likely candidate as the electron acceptor | Nitrosomonas europaea |
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