Enables SNARE binding activity. Involved in SNARE complex assembly. Acts upstream of or within cellular response to interferon-gamma. Located in several cellular components, including basolateral plasma membrane; lateral loop; and myelin sheath adaxonal region. Part of SNARE complex. Is expressed in central nervous system; metanephros; and retina. Orthologous to human STX4 (syntaxin 4). [provided by Alliance of Genome Resources, Apr 2022]