Table 1.

Affinities of anti-TCR antibodies for the 2C TCR as measured by surface plasmon resonance

Antibody name and specificity	Kass, (M−1⋅s−1 × 104)	Kdiss, s−1 × 10−4	Kd, nM
380, polyclonal anti-TCRαβ	9.7  ±  3.0	6.1  ±  0.5	6.3  ±  1.7
H57-597, anti-Cβ	6.5  ±  1.7	1.5  ±  0.3	2.4  ±  1.1
H28-710, anti-Cα	5.2  ±  2.0	1.6  ±  0.7	3.1  ±  1.7
1B2, anti-idiotype	6.9  ±  1.7	2.0  ±  0.4	2.9  ±  0.2