Structural studies of ribosomes.

Escherichia coli/metabolism,ultrastructure GTP Phosphohydrolase-Linked Elongation Factors/metabolism Macromolecular Substances Microscopy, Electron Molecular Weight Nucleic Acid Conformation Peptide Chain Elongation, Translational Peptide Elongation Factors/metabolism Protein Conformation RNA, Messenger/metabolism RNA, Ribosomal/analysis Ribosomal Proteins/analysis Ribosomes/metabolism,ultrastructure

Macromolecular Substances Peptide Elongation Factors RNA, Messenger RNA, Ribosomal Ribosomal Proteins GTP Phosphohydrolase-Linked Elongation Factors