Isolation and characterization of two acidic proteins from the 50S subunit required for GTPase activities of both EF G and EF T.

Ammonium Chloride Bacterial Proteins/isolation & purification Carbon Isotopes Centrifugation, Density Gradient Chromatography, DEAE-Cellulose Electrophoresis Enzyme Activation Escherichia coli/analysis Ethanol Guanosine Triphosphate Hydrogen-Ion Concentration Peptide Biosynthesis Peptide Chain Elongation, Translational Phenylalanine Phosphoric Monoester Hydrolases Phosphorus Isotopes Polynucleotides RNA, Bacterial RNA, Transfer Ribosomes/analysis,enzymology Uracil Nucleotides

Bacterial Proteins Carbon Isotopes Phosphorus Isotopes Polynucleotides RNA, Bacterial Uracil Nucleotides Ammonium Chloride Ethanol Phenylalanine Guanosine Triphosphate RNA, Transfer Phosphoric Monoester Hydrolases