The T Cell Antigen Receptor α Transmembrane Domain Coordinates Triggering through Regulation of Bilayer Immersion and CD3 Subunit Associations

While TCR triggering is critical for adaptive immunity, how bioforces accompanying ligand binding transduce signals through the cell membrane is unknown. Brazin et  al. define dynamic structural movements within the TCRα transmembrane domain linked to fundamental TCR complex mechanobiology, including subunit topological rearrangements that foster dissociation of CD3 dimers and cell activation. (Source: Immunity)

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