TABLE 2.

Analysis of Fc–Fc Receptor Binding by Surface Plasmon Resonance (Biacore T200)

AntibodyKD (M) murine FcγRIVRelative murine FcγRIV bindingKD (M) human FcγRIIIa-158VRelative human FcγRIIIa-158V binding
HuE71-IgG17.24E−071.008.73E−071.00
Desferrioxamine-HuE71-IgG15.39E−071.346.64E−071.31
HuE71-IgG1-Afuco2.27E−073.192.86E−073.05
Desferrioxamine-HuE71- IgG1-Afuco2.19E−073.312.94E−072.96
HuE71-IgG1-AglycoNBNB
Desferrioxamine-HuE71- IgG1-AglycoNBNB
  • KD (M) = equilibrium dissociation constant; NB = no binding.