Enables high-affinity glutamate transmembrane transporter activity. Involved in L-glutamate transmembrane transport. Located in several cellular components, including astrocyte projection; dendrite; and presynaptic membrane. Is integral component of plasma membrane. Part of membrane protein complex. Human ortholog(s) of this gene implicated in developmental and epileptic encephalopathy 41. Orthologous to human SLC1A2 (solute carrier family 1 member 2). [provided by Alliance of Genome Resources, Apr 2022]