acyltransferase activity, transferring groups other than amino-acyl groups sphingosine N-acyltransferase activity https://github.com/geneontology/go-ontology/issues/30193 dihydroceramide synthase activity ceramide synthase activity ceramide synthetase activity GO:0050291 RHEA:36691 RHEA:23768 EC:2.3.1.24 RHEA:37123 Catalysis of the reaction: acyl-CoA + sphingosine = CoA + N-acylsphingosine. acyl-CoA:sphingosine N-acyltransferase activity molecular_function RHEA:64044 RHEA:37111 RHEA:36687 MetaCyc:SPHINGOSINE-N-ACYLTRANSFERASE-RXN sphingosine acyltransferase activity RHEA:37115 RHEA:45284 Reactome:R-HSA-428185