Preparation and activity measurements of deuterated 50S subunits for neutron-scattering analysis.

Deuterium Escherichia coli/genetics,ultrastructure Indicators and Reagents Neutrons Peptide Biosynthesis Peptides Peptidyl Transferases/metabolism Poly U RNA, Ribosomal/isolation & purification RNA, Ribosomal, 23S/isolation & purification RNA, Ribosomal, 5S/isolation & purification Radioisotope Dilution Technique Ribosomal Proteins/isolation & purification Ribosomes/metabolism,ultrastructure Scattering, Radiation

Indicators and Reagents Peptides RNA, Ribosomal RNA, Ribosomal, 23S RNA, Ribosomal, 5S Ribosomal Proteins Poly U polyphenylalanine Deuterium Peptidyl Transferases