- N-Acyl Phosphatidylethanolamine Phospholipase D (NAPEPLD)
- Phenylethanolamine-N-Methyltransferase (PNMT)
- Phosphatidylethanolamine-N-Methyltransferase (PEMT)
- Ethanolamine Kinase 1 (ETNK1)
- Ethanolamine Kinase 2 (ETNK2)
- Pyrophosphatase 2 (PPA2)
- Pyrophosphatase 1 (PPA1)
- Glucosidase Beta, Bile Acid 2 (GbA2)
- Alkaline Ceramidase 3 (ACER3)
- N-Acylsphingosine Amidohydrolase 2C (ASAH2C)
- N-Acylsphingosine Amidohydrolase 2B (ASAH2B)
- Galactosylceramidase (GALC)
- Steroid Sulfatase Isozyme S (STS)
- Arylsulfatase B (ARSB)
- Arylsulfatase D (ARSD)
