cation binding | sphingolipid delta-4 desaturase activity | iron ion binding | catalytic activity | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen | ion binding | sphingosine hydroxylase activity | transition metal ion binding | metal ion binding | oxidoreductase activity
cellular process | sphingolipid metabolic process | sphingolipid delta-4 desaturase activity | cellular lipid metabolic process | sphingolipid biosynthetic process | cellular biosynthetic process | nitrogen compound metabolic process | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen | lipid metabolic process | biosynthetic process | lipid biosynthetic process | sphingosine hydroxylase activity | metabolic process | membrane lipid metabolic process | oxidation-reduction process | organic substance metabolic process | cellular metabolic process | oxidoreductase activity
integral component of membrane | intracellular membrane-bounded organelle | cell | intrinsic component of membrane | cytoplasm | intracellular organelle | endoplasmic reticulum | nuclear outer membrane-endoplasmic reticulum membrane network | endomembrane system | endoplasmic reticulum membrane | membrane-bounded organelle | organelle | intracellular | membrane