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T-cell receptor

3:04

how t cell receptors work

3:18

Q & A: How do T-cells recognize antigens?

2:22

MBL International Corporation - MHC Tetramers and antigen-specific T cell receptors

3:18

T-cell receptor with HLA-A and bound peptide (pdb code 3vxr)

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T-Cell Receptor with HLA-A and Bound Peptide

The T-cell receptor, or TCR, is a molecule found on the surface of T cells, or T lymphocytes, that is responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules. The binding between TCR and antigen peptides is of relatively low affinity and is degenerate: that is, many TCRs recognize the same antigen peptide and many antigen peptides are recognized by the same TCR.
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