STABLE

Protein-DNA fusion system for screening of combinatorial protein libraries in vitro

Nobuhide Doi, Hiroshi Yanagawa

Research output: Contribution to journalArticle

93 Citations (Scopus)

Abstract

We have developed a new method that permits the complete in vitro construction and selection of peptide or protein libraries. This method relies on an in vitro transcription/translation reaction compartmentalized in water in oil emulsions. In each emulsion compartment, streptavidin (STA)-fused polypeptides are synthesized and attached to the encoding DNA via its biotin label. The resulting protein-DNA fusion molecules recovered from the emulsion can be subjected to affinity selection based on the properties of the peptide portion, whose sequence can be determined from that of its DNA-tag. This method, named 'STABLE' (STA-biotin linkage in emulsions), should be useful for rapid in vitro evolution of proteins and for ligand-based selection of cDNA libraries. Copyright (C) 1999 Federation of European Biochemical Societies.

Original languageEnglish
Pages (from-to)227-230
Number of pages4
JournalFEBS Letters
Volume457
Issue number2
DOIs
Publication statusPublished - 1999 Aug 27
Externally publishedYes

Fingerprint

Emulsions
Screening
Fusion reactions
Streptavidin
DNA
Biotin
Peptides
Proteins
Transcription
Gene Library
Labels
Oils
Ligands
Molecules
In Vitro Techniques
Water

Keywords

  • cDNA library
  • Directed protein evolution
  • In vitro selection
  • In vitro transcription/translation
  • Streptavidin-biotin complex
  • Water in oil emulsion

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

STABLE : Protein-DNA fusion system for screening of combinatorial protein libraries in vitro. / Doi, Nobuhide; Yanagawa, Hiroshi.

In: FEBS Letters, Vol. 457, No. 2, 27.08.1999, p. 227-230.

Research output: Contribution to journalArticle

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