A mutant human beta2-microglobulin can be used to generate diverse multimeric class I peptide complexes as specific probes for T cell receptors.

Abstract excerpt

Antigen-specific receptors (TCR) on CD8 T lymphocytes form relatively short-lived complexes with their natural ligands: peptides in association with major histocompatibility complex (MHC) class I molecules, which consist of a polymorphic heavy chain and a conserved light chain, beta2-microglobulin (beta2-M). To produce soluble MHC-peptide complexes in a form that would bind more stably and could be used to...

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