Protein Variants | Comment | Organism |
---|---|---|
additional information | expression of truncated forms lacking the C-terminal, LIM and/or calponin homology CH regions. The CH, LIM and C-terminal regions lead to an increase of KmNADPH. The C-terminus also determines an about 10fold decrease of kcat | Homo sapiens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.019 | - |
NADPH | isolated monooxygenase-like domain, pH 7.0, 25°C | Homo sapiens | |
0.03 | - |
[F-actin]-L-methionine | wild-type, pH 7.0, 25°C | Homo sapiens | |
0.134 | - |
NADPH | truncated form comprising the MO and CH domains, pH 7.0, 25°C | Homo sapiens | |
0.23 | - |
NADPH | truncated form comprising the MO, CH and LIM domains, pH 7.0, 25°C | Homo sapiens | |
0.375 | - |
NADPH | wild-type, pH 7.0, 25°C | Homo sapiens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytoplasm | - |
Homo sapiens | 5737 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Zn2+ | 1.6 mol per mol of protein | Homo sapiens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | Q8TDZ2 | - |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
[F-actin]-L-methionine + NADPH + O2 + H+ | - |
Homo sapiens | [F-actin]-L-methionine-(R)-S-oxide + NADP+ + H2O | only 2-3 residues are oxidized in each actin monomer. Several residues, including Met44 and Met47, are modified with similar probability | ? |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.28 | - |
NADPH | wild-type, pH 7.0, 25°C | Homo sapiens | |
2.5 | - |
NADPH | truncated form comprising the MO and CH domains, pH 7.0, 25°C | Homo sapiens | |
3.1 | - |
NADPH | isolated monooxygenase-like domain, pH 7.0, 25°C | Homo sapiens | |
3.5 | - |
NADPH | truncated form comprising the MO, CH and LIM domains, pH 7.0, 25°C | Homo sapiens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
FAD | - |
Homo sapiens |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.75 | - |
NADPH | wild-type, pH 7.0, 25°C | Homo sapiens | |
15.3 | - |
NADPH | truncated form comprising the MO, CH and LIM domains, pH 7.0, 25°C | Homo sapiens | |
18.5 | - |
NADPH | truncated form comprising the MO and CH domains, pH 7.0, 25°C | Homo sapiens | |
163 | - |
NADPH | isolated monooxygenase-like domain, pH 7.0, 25°C | Homo sapiens |