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Proteins at the tRNA binding sites of Escherichia coli ribosomes.

Authors
  • Czernilofsky, A P
  • Collatz, E E
  • Stöffler, G
  • Kuechler, E
Type
Published Article
Journal
Proceedings of the National Academy of Sciences
Publisher
Proceedings of the National Academy of Sciences
Publication Date
Jan 01, 1974
Volume
71
Issue
1
Pages
230–234
Identifiers
PMID: 4589893
Source
Medline
License
Unknown

Abstract

p - Nitrophenylcarbamyl - phenylalanyl-tRNA binds to ribosomes in response to poly(U) and reacts with ribosomal proteins via covalent bond formation. Ribosomal proteins of Escherichia coli were characterized by two-dimensional gel electrophoresis and by reaction with specific antibodies. The affinity label is shown to react with the 50S proteins L27, L15, L2, L16, and L14. We therefore conclude that these particular proteins are located at or near tRNA-binding sites within the 50S ribosomal subunit.

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