28S ribosomal RNA
![16S and 28S phylogenies of three Waldo species](/Images/godic/202412/12/16S_and_28S_phylogenies_of_three_Waldo_species_-_ZooKeys-316-067-g0030646.jpeg")
28S ribosomal RNA is the structural RNA for the large component, or large subunit (LSU) of eukaryotic cytoplasmic ribosomes, and thus one of the basic components of all eukaryotic cells. It is the eukaryotic nuclear homologue of the prokaryotic 23S ribosomal RNA.