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ENZYME entry: EC 18.104.22.168
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|Dihydroceramide fatty acyl 2-hydroxylase.
|Plant sphingolipid fatty acid 2-hydroxylase.|
|A dihydroceramide + 2 ferrocytochrome b5 + O(2) + 2 H(+) <=> a (2'R)-2'-hydroxydihydroceramide + 2 ferricytochrome b5 + H(2)O|
- The enzyme, characterized from plants, catalyzes the hydroxylation of
carbon 2 of long- or very-long-chain fatty acids attached to
sphinganine during de novo ceramide synthesis.
- The enzyme requires an external cytochrome b5 as the electron donor.
- The newly introduced 2-hydroxyl group has R-configuration.
- Cf. EC 22.214.171.124.
|PRIAM enzyme-specific profiles||126.96.36.199|
|KEGG Ligand Database for Enzyme Nomenclature||188.8.131.52|
|IUBMB Enzyme Nomenclature||184.108.40.206|
|MEDLINE||Find literature relating to 220.127.116.11|
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