Component of the large ribosomal subunit. The ribosome is a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell. Component of the large ribosomal subunit (PubMed:23636399, PubMed:32669547). Binds IPO9 with high affinity (PubMed:11823430). Belongs to the eukaryotic ribosomal protein eL20 family.