- Methylenetetrahydrofolate Reductase (MTHFR)
- Methylenetetrahydrofolate Dehydrogenase 1 Like Protein (MTHFD1L)
- Methylenetetrahydrofolate Dehydrogenase 1 (MTHFD1)
- Methylenetetrahydrofolate Dehydrogenase 2 (MTHFD2)
- Mitochondrial Methionyl tRNA Formyltransferase (MTFMT)
- Metallophosphoesterase 1 (MPPE1)
- Mannose Phosphate Isomerase (MPI)
- N-Methylpurine DNA Glycosylase (MPG)
- Monoacylglycerol-O-acyltransferase 3 (MOGAT3)
- Monoacylglycerol-O-acyltransferase 2 (MOGAT2)
- Monoacylglycerol-O-acyltransferase 1 (MOGAT1)
- Molybdenum Cofactor Sulfurase (MOCOS)
- MAP Kinase Interacting Serine/Threonine Kinase 2 (MKNK2)
- MAP Kinase Interacting Serine/Threonine Kinase 1 (MKNK1)
- Mitochondrial Intermediate Peptidase (MIPEP)
