Predicted to enable transcription elongation regulator activity. Acts upstream of or within negative regulation of cell growth; negative regulation of epithelial cell proliferation involved in prostate gland development; and positive regulation of transcription, DNA-templated. Located in nucleoplasm. Is expressed in several structures, including alimentary system; genitourinary system; integumental system; nervous system; and sensory organ. Orthologous to human EAF2 (ELL associated factor 2). [provided by Alliance of Genome Resources, Apr 2022]