E. coli 30 S and 50 S ribosomal subparticle components in the localization region of the tRNA acceptor terminus.

Bacterial Proteins/metabolism Binding Sites Carbon Radioisotopes Centrifugation, Density Gradient Escherichia coli/cytology,metabolism Kinetics Phenylalanine/analogs & derivatives Poly U Protein Binding RNA, Bacterial/metabolism RNA, Ribosomal/metabolism RNA, Transfer/metabolism Ribosomes/metabolism Spectrophotometry, Ultraviolet Temperature Time Factors

Bacterial Proteins Carbon Radioisotopes RNA, Bacterial RNA, Ribosomal Poly U Phenylalanine RNA, Transfer