- MARVELD3
- MAS1
- MAS1L
- MASA
- MASP1
- MASP2
- MAST1
- MAST2
- MAST3
- MAST4
- MASTL
- MAT1A
- MAT2A
- MAT2B
- MATK
- MATN1
- MATN2
- MATN4
- MATR3
- Matrilin 3
- MAU2/KIAA0892
- MAVS
- MAX
- MAZ
- MB
- MB21D2
- MBD1
- MBD2
- MBD3
- MBD3L1
- MBD3L2
- MBD3L3
- MBD3L4
- MBD3L5
- MBD4
- MBD5
- MBD6
- MBIP
- Mbl1
- MBL2
- MBLAC1
- MBLAC2
- MBNL1
- MBNL2
- MBNL3
- MBOAT1
- MBOAT2
- MBOAT4
- MBOAT7
- MBP
- MBP
- MBTD1
- MBTPS1
- MBTPS2
- MC1 Receptor
- MC2R
- MC3R
- MC4R
- MC5 Receptor
- MCAF1
- MCAM
- MCART1
- MCART2
- MCART6
- MCAT
- MCC
- MCCC1
- MCCC2
- MCCD1
- MCEE
- MCEMP1
- MCF2
- MCF2L
- MCF2L2
- MCFD2
- MCHR1
- MCHR2
- MCL-1
- MCM10
- MCM2
- MCM3
- MCM4
- MCM5
- MCM6
- MCM7
- MCM8
- MCM9
- MCMBP
- MCOLN1
- MCPH1
- MCPT10
- MCPT2
- MCPT3
- MCPT8
- Mcpt9
- MCRS1
- MCT3
- MCTP1
- MCTP2
- MCTS1