Predicted to enable DNA-binding transcription factor activity, RNA polymerase II-specific and RNA polymerase II transcription regulatory region sequence-specific DNA binding activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Orthologous to several human genes including ESX1 (ESX homeobox 1); RHOXF1 (Rhox homeobox family member 1); and RHOXF2 (Rhox homeobox family member 2).