Factor- and energy-free peptide synthesis promoted by aromatic tertiary amines including nucleic acid-related compounds

Itaru Nitta, Takuya Ueda, Kimitsuna Watanabe

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We have already reported a novel, in vitro translation system, promoted by pryidine instead of the usual protein factors and energy sources, which consists of only salt-washed ribosomes from Escherichia coli, aminoacyl-tRNA, a template RNA, Na+ and Mg2+ cations, and 4-60% pyridine [Nitta et al. (1994) J. Biochem. 115, 803-807 and the accompanying paper]. Here we show that in this system, pyridine can be replaced not only by pyridine derivatives but also by nucleobases or nucleosides, demonstrating that any compound harboring an aromatic tertiary amine within the molecule possesses such promoting activity. These compounds may serve to assist the peptide bond formation catalyzed by peptidyltransferase within ribosomes. The finding that nucleobases and nucleosides can play such a role in this reaction implies the possibility that these compounds were directly involved in the premordial translation system.

Original languageEnglish
Pages (from-to)850-854
Number of pages5
JournalJournal of biochemistry
Volume118
Issue number4
DOIs
Publication statusPublished - 1995 Jan 1
Externally publishedYes

Fingerprint

Nucleic Acids
Free energy
Amines
Ribosomes
Nucleosides
Peptides
Peptidyl Transferases
Transfer RNA
Escherichia coli
Cations
Salts
RNA
Derivatives
Molecules
pyridine
Proteins
In Vitro Techniques

Keywords

  • Aromatic tertiary amine
  • Escherichia coli
  • Nucleic acid-related compound
  • Ribosome
  • Translation

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology

Cite this

Factor- and energy-free peptide synthesis promoted by aromatic tertiary amines including nucleic acid-related compounds. / Nitta, Itaru; Ueda, Takuya; Watanabe, Kimitsuna.

In: Journal of biochemistry, Vol. 118, No. 4, 01.01.1995, p. 850-854.

Research output: Contribution to journalArticle

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