3OHK STRUCTURE OF THE THERMUS THERMOPHILUS RIBOSOME COMPLEXED WITH ERYTHROMYCIN. THIS FILE CONTAINS THE 50S SUBUNIT OF ONE 70S RIBOSOME. THE ENTIRE CRYSTAL STRUCTURE CONTAINS TWO 70S RIBOSOMES. RIBOSOME/ANTIBIOTIC, RIBOSOME, PROTEIN SYNTHESIS, ERYTHROMYCIN, RIBOSOME-ANTIBIOTIC COMPLEX