- Microfibrillar Associated Protein 4 (MFAP4)
- Microfibrillar Associated Protein 5 (MFAP5)
- Mitofusin 2 (MFN2)
- Midline 2 (MID2)
- Multimerin 2 (MMRN2)
- Molybdenum Cofactor Synthesis 2 (MOCS2)
- Molybdenum Cofactor Synthesis 3 (MOCS3)
- Microseminoprotein, Prostate Associated (MSMP)
- Methionine Sulfoxide Reductase B (MSRB)
- Metastasis Associated Protein 2 (MTA2)
- Metastasis Associated Protein 3 (MTA3)
- Metaxin 2 (MTX2)
- Melanocortin 4 Receptor (MC4R)
- Melanocortin 5 Receptor (MC5R)
- Melanocortin 2 Receptor Accessory Protein (MRAP)
