- Globoside Alpha-1,3-N-Acetylgalactosaminyltransferase 1 (GBGT1)
- 1,4-Alpha-Glucan Branching Enzyme 1 (GBE1)
- Golgi Brefeldin A Resistant Guanine Nucleotide Exchange Factor 1 (GBF1)
- Phosphoribosylglycinamide Formyltransferase (GART)
- Glyceraldehyde-3-Phosphate Dehydrogenase, Spermatogenic (GAPDHS)
- Galactose-1-Phosphate Uridylyltransferase (GALT)
- Gigaxonin (GAN)
- Galactokinase 2 (GALK2)
- Galactokinase 1 (GALK1)
- Galactose Mutarotase (GALM)
- UDP Galactose-4-Epimerase (GALE)
- Galactose-3-O-Sulfotransferase 3 (GAL3ST3)
- Galactose-3-O-Sulfotransferase 4 (GAL3ST4)
- Galactose-3-O-Sulfotransferase 2 (GAL3ST2)
- Galactose-3-O-Sulfotransferase 1 (GAL3ST1)
