Sedimentation studies on aminoacyl-sRNA synthetase and activation of aminoacyl-sRNA transfer factor.

Amino Acids/metabolism Bacterial Proteins/biosynthesis Escherichia coli/metabolism Galactosidases/metabolism In Vitro Techniques Leucine/metabolism Ligases/metabolism Lysine/metabolism Phenylalanine/metabolism RNA, Bacterial/metabolism RNA, Transfer/metabolism Ultracentrifugation Valine/metabolism

Amino Acids Bacterial Proteins RNA, Bacterial Phenylalanine RNA, Transfer Galactosidases Ligases Leucine Valine Lysine