Predicted to enable identical protein binding activity. Predicted to be involved in regulation of gene expression. Predicted to act upstream of or within negative regulation of neuron differentiation; negative regulation of protein sumoylation; and negative regulation of transcription by RNA polymerase II. Predicted to be active in nucleus. Orthologous to human HMG20A (high mobility group 20A). [provided by Alliance of Genome Resources, Apr 2022]