Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables RNA polymerase II transcription regulatory region sequence-specific DNA binding activity; mRNA 3'-UTR binding activity; and polysome binding activity. Involved in negative regulation of transcription by RNA polymerase II. Acts upstream of or within several processes, including male gonad development; negative regulation of skeletal muscle tissue development; and positive regulation of organ growth. Located in cytoplasm and nucleus. Is active in synapse. Is expressed in several structures, including brain; branchial arch; jaw; limb bud; and sensory organ. Orthologous to human YBX3 (Y-box binding protein 3).