Protein binding sites
http://edamontology.org/topic_3534
Binding sites in proteins, including cleavage sites (for a proteolytic enzyme or agent), key residues involved in protein folding, catalytic residues (active site) of an enzyme, ligand-binding (non-catalytic) residues of a protein, such as sites that bind metal, prosthetic groups or lipids, RNA and DNA-binding proteins and binding sites etc.
Synonyms: Protein key folding sites, Protein cleavage sites, Enzyme active site, Protein-nucleic acid binding sites, Protein functional sites