Predicted to be a structural constituent of ribosome. Predicted to be involved in mitochondrial translation. Predicted to be part of mitochondrial large ribosomal subunit. Is expressed in several structures, including dorsal pharyngeal muscle cell; embryonic/larval midgut primordium; gut section; larval muscle system; and trunk mesoderm. Orthologous to human MRPL46 (mitochondrial ribosomal protein L46).