- Glycerol-3-Phosphate Acyltransferase, Mitochondrial (GPAM)
- Glucosamine-N-Acetyl-6-Sulfatase (GNS)
- Glyceronephosphate-O-Acyltransferase (GNPAT)
- Glucosamine-6-Phosphate Deaminase 2 (GNPDA2)
- Glucosamine-6-Phosphate Deaminase 1 (GNPDA1)
- Glucosamine Phosphate-N-Acetyltransferase 1 (GNPNAT1)
- N-Acetylglucosamine-1-Phosphate Transferase Alpha And Beta (GNPTab)
- N-Acetylglucosamine-1-Phosphate Transferase Gamma (GNPTg)
- Glucosamine UDP-N-Acetyl-2-Epimerase (GNE)
- Guanosine Monophosphate Reductase 2 (GMPR2)
- Guanosine Monophosphate Reductase 1 (GMPR1)
- GDP Mannose-4,6-Dehydratase (GMDS)
- Glycine-N-Acyltransferase (GLYAT)
- Glutamate Dehydrogenase 2 (GLUD2)
- Glutaminase 2 (GLS2)
