Figure 2

Markov random field model for protein-protein interactions Left: Example of proteins P _i and P _j . P _i consists of domains D₁ and D₂, and P _j consists of domain D₃, respectively. Right: Factor graph G(U,V,E). There exists an edge between P _ij ∈ U and D _mn ∈ V if and only if D _mn ∈ P _ij .