Predicted to enable RNA binding activity and transcription termination site sequence-specific DNA binding activity. Predicted to be involved in termination of RNA polymerase II transcription. Predicted to be located in nuclear body. Human ortholog(s) of this gene implicated in Charcot-Marie-Tooth disease axonal type 2S and distal spinal muscular atrophy 1. Is an ortholog of human IGHMBP2 (immunoglobulin mu DNA binding protein 2).