Enables peptide binding activity. Involved in mitotic cell cycle and neuron differentiation. Located in axon. Human ortholog(s) of this gene implicated in complex cortical dysplasia with other brain malformations 1 and congenital fibrosis of the extraocular muscles 3A. Orthologous to human TUBB3 (tubulin beta 3 class III). [provided by Alliance of Genome Resources, Apr 2022]