TITLE E. coli 70S containing suppressor tRNA in the A-site stabilized by a TITLE 2 Negamycin analogue and P-site tRNA-nascent chain. COMPND MOL_ID: 23; COMPND 2 MOLECULE: 50S ribosomal protein L28; COMPND 3 CHAIN: X; EXPDTA ELECTRON MICROSCOPY SEQRES 1 X 77 SER ARG VAL CYS GLN VAL THR GLY LYS ARG PRO VAL THR SEQRES 2 X 77 GLY ASN ASN ARG SER HIS ALA LEU ASN ALA THR LYS ARG SEQRES 3 X 77 ARG PHE LEU PRO ASN LEU HIS SER HIS ARG PHE TRP VAL SEQRES 4 X 77 GLU SER GLU LYS ARG PHE VAL THR LEU ARG VAL SER ALA SEQRES 5 X 77 LYS GLY MET ARG VAL ILE ASP LYS LYS GLY ILE ASP THR SEQRES 6 X 77 VAL LEU ALA GLU LEU ARG ALA ARG GLY GLU LYS TYR