Table I. Comparison of the affinity constants for the interactions of LILRBs and variable HLA-G forms
ImmobilizedLILRB1LILRB2
HLA-G1 monomer3.5 μM (2)4.8 μM (13)
HLA-G1 dimer6.7 nM (2)0.75 μMa (2)
HLA-G2No bindingb1.7 nMab
  • a Apparent affinity because of bivalent binding.

  • b Determined in this study.