cyanase EC#: 4.2.1.104; ChemWhat Code: 1382394
| Product Name | cyanase |
| Example Structure | ![]() |
| Synonyms | 107368746, AtCYN, cyanase, cyanate aminohydrolase, cyanate C-N-lyase, cyanate hydratase, cyanate hydrolase, cyanate lyase, CYN, CynS, EC 3.5.5.3, EC 4.3.99.1, Hydrolase, cyanate, Ngar_c31480, NITMOv2_1274, OsCYN, slr0899, SpCynS, Spro_1533, tetur28g02430 |
| EC Number | 4.2.1.104 |
| CAS Registry Number | 37289-24-0 |
| Comments | This enzyme, which is found in bacteria and plants, is used to decompose cyanate, which can be used as the sole source of nitrogen [6,7]. Reaction (1) can be considered as the reverse of ‘carbamate = cyanate + H2O’, where this is assisted by reaction with bicarbonate and carbon dioxide (see mechanism above) [2], and hence is classified in sub-subclass 4.2.1. Bicarbonate functions as a recycling substrate [2]. |
| Cofactor | |
| History | |
| Reactions | Cyanate + HCO(3)(-) + 2 H(+) = NH(3) + 2 CO(2). |
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