RIBOSOME, TRNA, ZINC, MRNA, REPRESSOR, RNA-BINDING, METAL-BINDING, RIBOSOMAL PROTEIN, RIBONUCLEOPROTEIN, TRANSLATION REGULATION, METHYLATION, TRANSLATION, TRNA-BINDING, RRNA-BINDING STRUCTURE OF THE THERMUS THERMOPHILUS 70S RIBOSOME IN COMPLEX WITH MRNA, PAROMOMYCIN, ACYLATED A-SITE TRNA, DEACYLATED P-SITE TRNA, AND E-SITE TRNA. THIS FILE CONTAINS THE 50S SUBUNIT FOR MOLECULE II. 2WDJ