tRNA-dihydrouridine20a/20b synthase [NAD(P)+] EC#: 1.3.1.90; ChemWhat Code: 1374057
| Product Name | tRNA-dihydrouridine20a/20b synthase [NAD(P)+] |
| Example Structure | ![]() |
| Synonyms | Dus4p, tRNA-dihydrouridine synthase 4 |
| EC Number | 1.3.1.90 |
| CAS Registry Number | |
| Comments | A flavoenzyme. The enzyme specifically modifies uracil20a and uracil20b in tRNA. |
| Cofactor | FAD |
| History | |
| Reactions | (1) 5,6-dihydrouracil(20a) in tRNA + NAD(P)(+) = uracil(20a) in tRNA + NAD(P)H. (2) 5,6-dihydrouracil(20b) in tRNA + NAD(P)(+) = uracil(20b) in tRNA + NAD(P)H. |
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![Example Structure of tRNA-dihydrouridine20a/20b synthase [NAD(P)+] EC#: 1.3.1.90](/wp-content/uploads/enzyme-structure/1.3.1.90.jpg)