Predicted to enable transcription coactivator activity. Predicted to be involved in positive regulation of dendrite morphogenesis and positive regulation of transcription by RNA polymerase II. Predicted to be active in nucleus. Is expressed in bone; cartilage; rib; sensory organ; and submandibular gland primordium. Orthologous to human SS18L2 (SS18 like 2). [provided by Alliance of Genome Resources, Apr 2022]