TUBB2B and tubulinopathy: In recent years, an increasing number of tubulin genes were linked to a clinically heterogeneous group of disorders, the “tubulinopathies” (TUBA1A, MIM#602529; TUBA8, MIM#605742; TUBB2A, MIM#615101; TUBB2B, MIM#612850; TUBB3, MIM#602661; TUBB, MIM#191130; TUBG1, MIM#191135) [5–11].