This family consists of 15 to 20 dispersed genes, many of which are processed pseudogenes. The positions of the first 3 introns are identical between members of the human and rat gene families; in addition, some human alpha-tubulin genes have a fourth intron, also at an identical position.

Members

 TUBA1 alpha-1-tubulin (MIM.191110)
 TUBA2 alpha-2-tubulin (MIM.602528)
 TUBA3 alpha-3-tubulin (brain specific tubulin) (MIM.602529)