Predicted to enable DNA binding activity and zinc ion binding activity. Acts upstream of or within erythrocyte differentiation and positive regulation of transcription by RNA polymerase II. Located in nucleoplasm. Is expressed in several structures, including central nervous system; early conceptus; genitourinary system; lung; and spleen. Orthologous to human TCEA1 (transcription elongation factor A1). [provided by Alliance of Genome Resources, Apr 2022]