title: OK, and the alpha-helix.
mesh_terms: D000818:Animals; D004023:Dictyostelium / Q000737:chemistry; D005656:Fungal Proteins / Q000737:chemistry; D008840:Microfilament Proteins / Q000737:chemistry; D008958:Models, Molecular; D017433:Protein Structure, Secondary; D015800:Protozoan Proteins / Q000737:chemistry
chemical_list: D005656:Fungal Proteins; D008840:Microfilament Proteins; D015800:Protozoan Proteins; C101109:ctxA protein, Dictyostelium discoideum