Predicted to enable translation elongation factor activity. Predicted to be involved in several processes, including negative regulation of stem cell differentiation; negative regulation of transcription elongation from RNA polymerase II promoter; and stem cell differentiation. Predicted to be located in cytoplasm and nucleoplasm. Predicted to be part of NELF complex. Orthologous to human NELFB (negative elongation factor complex member B). [provided by Alliance of Genome Resources, Apr 2022]