TABLE 1

Binding properties of B7-H1 and B7-H1 transgene (tg) to PD-1 receptor

Binding affinitySurface plasmon resonance
Kd (nmol/l)kon (×104 mol · l−1 · sec−1)koff (sec−1)Rmax (RU)
B7-H1 → PD-11116.70.001739.5
B7-H1 tg → PD-11115.80.001736.4
  • Kd, equilibrium dissociation constant; koff, dissociation constant; kon, association constant; RU, resistance unit.