Component of the large ribosomal subunit (PubMed:23636399, PubMed:32669547). The ribosome is a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell (PubMed:23636399, PubMed:32669547). Component of the large ribosomal subunit. Binds to Epstein-Barr virus small RNAs and to heparin. Belongs to the eukaryotic ribosomal protein eL22 family.