Predicted to enable transcription coregulator activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Predicted to act upstream of or within positive regulation of gluconeogenesis and positive regulation of transcription by RNA polymerase II. Predicted to be part of SAGA complex. Orthologous to several human genes including SUPT20H (SPT20 homolog, SAGA complex component). [provided by Alliance of Genome Resources, Apr 2022]