RIBOSOME, LARGE RIBOSOMAL SUBUNIT, TIAMULIN, HALOARCULA MARISMORTUI, RIBONUCLEOPROTEIN, RIBOSOMAL PROTEIN, RNA-BINDING, RRNA- BINDING, TRNA-BINDING, METAL-BINDING, ZINC, ZINC-FINGER, ACETYLATION CO-CRYSTAL STRUCTURE OF TIAMULIN BOUND TO THE LARGE RIBOSOMAL SUBUNIT 3G4S