. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Protein-nucleic acid binding sites" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Enzyme active site" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Protein functional sites" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1.8" . . . . . . . . "Protein cleavage sites" . . . . . . . . . . . . . . . "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." . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Protein key folding sites" . . . . . . . . . . . . . . . . . "Protein binding sites" . . . . . . . . . . . . . . . "Protein_binding_sites" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .