Merge pull request #26097 from geneontology/issue-25981

Revised sphingolipid long-chain base 4-hydroxylase activity. #25981

src/ontology/go-edit.obo

@@ -431890,11 +431890,14 @@ is_a: GO:0016709 ! oxidoreductase activity, acting on paired donors, with incorp
 
 [Term]
 id: GO:0102772
-name: sphingolipid long-chain base 4-hydroxylase activity
+name: sphingolipid C4-monooxygenase activity
 namespace: molecular_function
-def: "Catalysis of the reaction: O2 + H+ + a dihydroceramide + NAD(P)H = H2O + a phytoceramide + NAD(P)." [EC:1.14.13.-, GOC:pz]
+def: "Catalysis of the reaction: a dihydroceramide + 2 Fe(II)-[cytochrome b5] + 2 H(+) + O2 <=> a phytoceramide + 2 Fe(III)-[cytochrome b5] + H2O." [EC:1.14.18.5, GOC:pz]
+synonym: "sphingolipid long-chain base 4-hydroxylase activity" RELATED []
 xref: MetaCyc:RXN-14250
-is_a: GO:0016709 ! oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen
+xref: RHEA:55808
+is_a: GO:0016716 ! oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, another compound as one donor, and incorporation of one atom of oxygen
+property_value: term_tracker_item "https://github.com/geneontology/go-ontology/issues/25981" xsd:anyURI
 
 [Term]
 id: GO:0102773