acyl-lipid (9-3)-desaturase EC#: 1.14.19.47; ChemWhat Code: 1375812
| Product Name | acyl-lipid (9-3)-desaturase |
| Example Structure |  |
| Synonyms | acyl-lipid 6-desaturase, AL1, D-6 desaturase, D6D, D6Des, DELTA 6-desaturase, DELTA-6 desaturase, DELTA-6-desaturase, DELTA6 desaturase, DELTA6-desaturase, DELTA6-fatty acid desaturase, DELTA6fad, DES6, FADS2, fadsd6, fatty acyl DELTA6 desaturase, PyDes6 |
| EC Number | 1.14.19.47 |
| CAS Registry Number | |
| Comments | The enzyme, characterized from the moss Physcomitrella patens and the plant Borago officinalis (borage), introduces a cis double bond at carbon 6 of several acyl-lipids that contain an existing ¦¤9 cis double bond. The enzyme contains a cytochrome b5 domain that acts as the electron donor for the active site of the desaturase. |
| Cofactor | |
| History | |
| Reactions | (1) An alpha-linolenoyl-[glycerolipid] + 2 ferrocytochrome b5 + O(2) + 2 H(+) = a stearidonoyl-[glycerolipid] + ferricytochrome b5 + 2 H(2)O. (2) A linoleoyl-[glycerolipid] + 2 ferrocytochrome b5 + O(2) + 2 H(+) = a gamma-linolenoyl-[glycerolipid] + ferricytochrome b5 + 2 H(2)O. |
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