Enables extracellularly glutamate-gated chloride channel activity. Involved in chloride transmembrane transport. Located in plasma membrane. Expressed in
pm4. Human ortholog(s) of this gene implicated in hyperekplexia 1 and syndromic X-linked intellectual disability Pilorge type. Is an ortholog of human GLRA1 (glycine receptor alpha 1); GLRA2 (glycine receptor alpha 2); and GLRA3 (glycine receptor alpha 3).