A structural constituent of cytoskeleton. Acts upstream of or within spindle assembly. Located in microtubule. Is expressed in dorsal root ganglion; liver; and spinal cord. Human ortholog(s) of this gene implicated in autosomal dominant macrothrombocytopenia TUBB1-related. Orthologous to human TUBB1 (tubulin beta 1 class VI). [provided by Alliance of Genome Resources, Apr 2022]