Enables DNA-binding transcription activator activity, RNA polymerase II-specific and sequence-specific DNA binding activity. Involved in positive regulation of transcription by RNA polymerase II. Predicted to be located in cytosol and nucleoplasm. Predicted to be active in nucleus. Orthologous to human GMEB2 (glucocorticoid modulatory element binding protein 2). [provided by Alliance of Genome Resources, Apr 2022]