Membrane-spanning 4A

Membrane-spanning 4A is a family of genes.

Members include:
 * MS4A1 (better known as "CD20")
 * MS4A2
 * MS4A3
 * MS4A4A
 * MS4A4E
 * MS4A5
 * MS4A6A
 * MS4A6E
 * MS4A7
 * MS4A8B
 * MS4A9
 * MS4A10
 * MS4A12
 * MS4A13
 * MS4A14
 * MS4A15
 * MS4A18