Production, characterization, and immunogenicity of a soluble rat single chain T cell receptor specific for an encephalitogenic peptide

Rachel H. McMahan, Lisa Watson, Roberto Meza-Romero, Gregory G. Burrows, Dennis Bourdette, Abigail C. Buenafe

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The encephalitogenic rat T cell clone C14 recognizes the myelin basic protein 69-89 peptide in the context of the RT1B major histocompatibility complex (MHC) class II molecule. Modeling of the C14 TCR molecule indicated that previously identified CDR3 motifs are likely to be central to interaction with MHC class II-presented peptide. Here we report the cloning and expression of C14-derived single chain TCR (scTCR) molecules in an Escherichia coli expression system. The recombinant molecule consists of the Vα2 domain connected to the Vβ8.2 domain via a 15-residue linker. Soluble C14 scTCR was purified using conventional chromatography techniques and refolded by a rapid dilution procedure. C14 scTCR was able to bind soluble rat MHC class II molecules bearing covalently coupled Gp-BP-(69-89) peptide, as analyzed using surface plasmon resonance. Immune recognition of the C14 scTCR protein as an antigen revealed that limited regions of the TCR may be more likely to induce responsiveness.

Original languageEnglish (US)
Pages (from-to)30961-30970
Number of pages10
JournalJournal of Biological Chemistry
Volume278
Issue number33
DOIs
StatePublished - Aug 15 2003

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T-Cell Antigen Receptor
Major Histocompatibility Complex
Rats
Peptides
Molecules
Myelin Basic Protein
Surface Plasmon Resonance
Bearings (structural)
Chromatography
Organism Cloning
Clone Cells
T-cells
Escherichia coli
Cloning
T-Lymphocytes
Antigens
Surface plasmon resonance
Dilution
Proteins

ASJC Scopus subject areas

  • Biochemistry

Cite this

Production, characterization, and immunogenicity of a soluble rat single chain T cell receptor specific for an encephalitogenic peptide. / McMahan, Rachel H.; Watson, Lisa; Meza-Romero, Roberto; Burrows, Gregory G.; Bourdette, Dennis; Buenafe, Abigail C.

In: Journal of Biological Chemistry, Vol. 278, No. 33, 15.08.2003, p. 30961-30970.

Research output: Contribution to journalArticle

McMahan, Rachel H. ; Watson, Lisa ; Meza-Romero, Roberto ; Burrows, Gregory G. ; Bourdette, Dennis ; Buenafe, Abigail C. / Production, characterization, and immunogenicity of a soluble rat single chain T cell receptor specific for an encephalitogenic peptide. In: Journal of Biological Chemistry. 2003 ; Vol. 278, No. 33. pp. 30961-30970.
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