Predicted to enable DNA-binding transcription activator activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Predicted to be involved in cell fate specification and positive regulation of transcription by RNA polymerase II. Predicted to act upstream of or within cellular response to leukemia inhibitory factor. Predicted to be part of MLL1 complex and transcription regulator complex. Orthologous to human MGA (MAX dimerization protein MGA). [provided by Alliance of Genome Resources, Apr 2022]