Predicted to enable DNA binding activity and DNA-binding transcription factor activity, RNA polymerase II-specific. Predicted to be involved in cell differentiation in spinal cord and regulation of transcription by RNA polymerase II. Predicted to act upstream of or within ventral spinal cord interneuron specification. Predicted to be located in nucleus. Orthologous to human DBX1 (developing brain homeobox 1). [provided by Alliance of Genome Resources, Apr 2022]