Predicted to enable 5S rRNA binding activity. Predicted to be a structural constituent of ribosome. Predicted to be involved in positive regulation of axon extension. Predicted to be located in several cellular components, including A band; cytosolic ribosome; and rough endoplasmic reticulum. Predicted to be part of cytosolic large ribosomal subunit. Is expressed in 8-cell stage embryo. Orthologous to human RPL4 (ribosomal protein L4). [provided by Alliance of Genome Resources, Apr 2022]