Enables DNA binding activity. Acts upstream of or within several processes, including detection of temperature stimulus; nervous system development; and sensory perception of mechanical stimulus. Predicted to be located in nucleus. Is expressed in several structures, including central nervous system; dorsal root ganglion; heart; and trunk somite. Orthologous to human DRGX (dorsal root ganglia homeobox). [provided by Alliance of Genome Resources, Apr 2022]