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Literature summary for 1.1.1.153 extracted from
- Isomerization of 6-lactoyl tetrahydropterin by sepiapterin reductase (1987), J. Biochem., 101, 275-278.
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 6-(S)-lactoyl-7,8-dihydropterin + NADPH | Rattus norvegicus | - |
6-(L-erythro-1',2'-dihydroxypropyl)-7,8-dihydropterin + NADP+ | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Rattus norvegicus | - |
- |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| erythrocyte | - |
Rattus norvegicus | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 6-(S)-lactoyl-7,8-dihydropterin + NADPH | - |
Rattus norvegicus | 6-(L-erythro-1',2'-dihydroxypropyl)-7,8-dihydropterin + NADP+ | - |
? | |
| 6-pyruvoyltetrahydropterin + 2 NADPH + 2 H+ | - |
Rattus norvegicus | L-erythro-tetrahydrobiopterin + 2 NADP+ | - |
? | |
| additional information | enzyme also catalyzes the isomerization of 6-1'-oxo-2'-hydroxypropyl tetrahydropterin (6-lactoyltetrahydropterin) to 6-1'-hydroxy-2'-oxopropyltetrahydropterin | Rattus norvegicus | ? | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8.6 | - |
optimum of isomerization of 6-1'-oxo-2'-hydroxypropyl(6-lactoyltetrahydropterin) to 6-1'-hydroxy-2'-oxopropyltetrahydropterin | Rattus norvegicus |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| NADPH | - |
Rattus norvegicus | |
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