Enables alpha-tubulin binding activity; beta-tubulin binding activity; and norepinephrine:sodium symporter activity. Involved in norepinephrine transport and response to xenobiotic stimulus. Located in several cellular components, including cell surface; membrane raft; and neuron projection. Biomarker of mental depression. Human ortholog(s) of this gene implicated in hypertension and neurocirculatory asthenia. Orthologous to human SLC6A2 (solute carrier family 6 member 2). [provided by Alliance of Genome Resources, Apr 2022]