Acts upstream of or within in utero embryonic development. Predicted to be located in cytoplasm and nucleus. Predicted to be part of nascent polypeptide-associated complex. Predicted to be active in cytosol and polysomal ribosome. Is expressed in several structures, including alimentary system; brain; genitourinary system; integumental system; and sensory organ. Orthologous to human BTF3 (basic transcription factor 3). [provided by Alliance of Genome Resources, Apr 2022]