Co-expression of human protein disulphide isomerase (PDI) can increase the yield of an antibody Fab' fragment expressed in Escherichia coli

D P Humphreys, N Weir, A Lawson, A Mountain, P A Lund

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Secretion to the periplasm of Escherichia coli enables production of many eukaryotic extracellular proteins in a soluble form. The complex disulphide bond arrangement of such proteins is probably a major factor in determining the low yield of correctly folded product observed in many cases. Here we show that co-expression of human protein disulphide isomerase increased the yield of a monoclonal antibody Fab' fragment in the periplasm of E. coli.
Original languageEnglish
Pages (from-to)194-7
Number of pages4
JournalFEBS Letters
Volume380
Issue number1-2
Publication statusPublished - 12 Feb 1996

Keywords

  • Immunoglobulin Fab Fragments
  • Antibodies, Monoclonal
  • Protein Disulfide-Isomerases
  • Humans
  • Protein Folding
  • Molecular Sequence Data
  • Gene Expression
  • Escherichia coli
  • Recombinant Fusion Proteins
  • Isomerases
  • Amino Acid Sequence

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