3G6E CO-CRYSTAL STRUCTURE OF HOMOHARRINGTONINE BOUND TO THE LARGE RIBOSOMAL SUBUNIT RIBOSOME, LARGE RIBOSOMAL SUBUNIT, ANTIBIOTIC SPECIFICITY, HOMOHARRINGTONINE, HALOARCULA MARISMORTUI, RIBONUCLEOPROTEIN, RIBOSOMAL PROTEIN, RNA-BINDING, RRNA- BINDING, TRNA-BINDING, METAL-BINDING, ZINC, ZINC-FINGER, ACETYLATION