Predicted to be a structural constituent of ribosome. Predicted to be involved in mitochondrial translation. Predicted to be located in mitochondrion. Predicted to be part of mitochondrial large ribosomal subunit. Is expressed in several structures, including adult head; dorsal pharyngeal muscle cell; embryonic/larval midgut primordium; gastric caecum; and gut section. Orthologous to human MRPL1 (mitochondrial ribosomal protein L1).