| Name | sphingolipid delta-4 desaturase activity |
| ID | GO_0042284 |
| collection_id | Molecular function |
| Exact synonym | delta-4 sphingolipid desaturase activity |
| Description | Catalysis of the reaction: a dihydroceramide + 2 ferrocytochrome b5 + O2 + 2 H+ -> a sphingosine ceramide (aka (4E)-sphing-4-enine ceramide) + 2 ferricytochrome b5 + 2 H2O. |
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| Genes |