COMPND MOL_ID: 1; COMPND 2 MOLECULE: 23S rRNA; COMPND 3 CHAIN: 1; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 22; COMPND 6 50S ribosomal protein L24; COMPND 7 CHAIN: T; COMPND 8 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY