MTRVKRGYIARRRRKKIRFFASSFRGAHSRLTRTIAQQKIRALVSAHRDRDRQKRDFRRLWITRINAAIRERGVYYNYSKFIHDLYKRQLLLNRKILAQIAILNPNCIYMIYNEIIKKEDCKKYLEII rpl20 RK20_SPIOL 50S ribosomal protein L20, chloroplastic 128 Binds directly to 23S ribosomal RNA and is necessary for the in vitro assembly process of the 50S ribosomal subunit. It is not involved in the protein synthesizing functions of that subunit (By similarity).