Definition: Protein modules with conserved ligand-binding surfaces which mediate specific interaction functions in SIGNAL TRANSDUCTION PATHWAYS and the specific BINDING SITES of their cognate protein LIGANDS.
Other names Protein-Protein Interaction Domain; Protein Protein Interaction Domains; Protein Interaction Motif; Protein Interaction Domain; Motifs, Protein Interaction; Motif, Protein Interaction; Domains, Protein-Protein Interaction; Domains, Protein Interaction; Domain, Protein-Protein Interaction; Domain, Protein Interaction; Protein-Protein Interaction Domains; Protein Interaction Binding Motifs; Binding Motifs, Protein Interaction; Protein Interaction Motifs; Protein Interaction Domains