α- and β-neurexins are presynaptic cell-adhesion molecules whose general importance for synaptic transmission is well documented. The specific functions of neurexins, however, remain largely unknown ...

CD3 (including its subunits CD3ε, CD3δ, CD3γ, and CD3ζ) is the central component of the TCR-CD3 complex and is crucial for recognizing T cells and responding to antigens. Every subunit of CD3 has ...