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Literature summary extracted from
- Partial purification and characterization of lathosterol 5-desaturase from rat liver microsomes (1985), J. Biochem., 97, 955-959.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.14.19.20 | cyanide | complete inhibition at 5 mM | Rattus norvegicus |  |
| 1.14.19.20 | additional information | the enzyme is not affected by N-ethylmaleimide and dithiothreitol | Rattus norvegicus | |
| 1.14.19.20 | Tiron | 21% residual activity at 1 mM | Rattus norvegicus | |
Localization
| EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|---|
| 1.14.19.20 | microsome | - |
Rattus norvegicus | - |
- |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.14.19.20 | lathosterol + ferrocytochrome b5 + O2 + H+ | Rattus norvegicus | - |
7-dehydrocholesterol + ferricytochrome b5 + H2O | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 1.14.19.20 | Rattus norvegicus | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 1.14.19.20 | partial purification by DEAE cellulose column chromatography and 6-amino-hexyl-Sepharose column chromatography | Rattus norvegicus |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 1.14.19.20 | liver | - |
Rattus norvegicus | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 1.14.19.20 | 0.0013 | - |
crude enzyme, at pH 8.0 and 37°C | Rattus norvegicus |
| 1.14.19.20 | 0.022 | - |
after 17.7fold purification, at pH 8.0 and 37°C | Rattus norvegicus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.14.19.20 | 5alpha-cholest-7-en-3beta-ol + ferrocytochrome b5 + O2 + H+ | - |
Rattus norvegicus | ? + ferricytochrome b5 + H2O | - |
? | |
| 1.14.19.20 | lathosterol + ferrocytochrome b5 + O2 + H+ | - |
Rattus norvegicus | 7-dehydrocholesterol + ferricytochrome b5 + H2O | - |
? | |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 1.14.19.20 | Lathosterol 5-desaturase | - |
Rattus norvegicus |
Cofactor
| EC Number | Cofactor | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.14.19.20 | cytochrome b5 | dependent on | Rattus norvegicus | |
| 1.14.19.20 | NADH | dependent on | Rattus norvegicus | |
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