Automated description from the Alliance of Genome Resources
Exhibits several functions, including SUMO binding activity; SUMO transferase activity; and nucleic acid binding activity. Involved in negative regulation of transcription by RNA polymerase II and protein sumoylation. Localizes to the nuclear body. Human ortholog(s) of this gene implicated in hepatocellular carcinoma. Is expressed in several structures, including adrenal gland; brain; gut; lung; and thymus. Orthologous to human CBX4 (chromobox 4).