Secretion of T cell receptor fragments from recombinant Escherichia coli cells - PubMed (original) (raw)

Secretion of T cell receptor fragments from recombinant Escherichia coli cells

E S Ward. J Mol Biol. 1992.

Abstract

This study describes the secretion and purification of T cell receptor (TCR) V alpha, V beta domains and single chain V alpha-V beta fragments (scTCRs) from recombinant Escherichia coli cells. The TCR V alpha and V beta genes are derived from a T cell hybridoma that is associated with disease pathogenesis in murine experimental allergic encephalomyelitis (EAE). Circular dichroism (c.d.) analyses of the single domains and the scTCR indicate that they are folded into beta-pleated sheet structures similar to those of immunoglobulin variable domains. The secreted TCR fragments can be purified in milligram quantities, and could therefore be used in high-resolution structural studies, in immunization to generate anti-clonotypic antibodies or in vaccination.

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