ID   1.14.18.5
DE   sphingolipid C4-monooxygenase.
AN   sphinganine C4-monooxygenase.
AN   sphingolipid C4-hydroxylase.
CA   a dihydroceramide + 2 Fe(II)-[cytochrome b5] + 2 H(+) + O2 =
CA   a phytoceramide + 2 Fe(III)-[cytochrome b5] + H2O.
CC   -!- The enzyme, which belongs to the familiy of endoplasmic reticular
CC       cytochrome b5-dependent enzymes, is involved in the biosynthesis of
CC       sphingolipids in eukaryotes.
CC   -!- Some enzymes are bifunctional and also catalyze EC 1.14.19.17.
CC   -!- Formerly EC 1.14.13.169.
DR   Q0II71, DEGS2_BOVIN;  G5EC63, DEGS2_CAEEL;  Q6QHC5, DEGS2_HUMAN;
DR   Q8R2F2, DEGS2_MOUSE;  Q564G3, DEGS2_RAT  ;  Q8VYI1, SBH1_ARATH ;
DR   Q9AST3, SBH2_ARATH ;
//