title: Ring formation of perfringolysin O as revealed by negative stain electron microscopy.
mesh_terms: D001427:Bacterial Toxins; D003016:Clostridium perfringens; D006460:Hemolysin Proteins; D008854:Microscopy, Electron; D008970:Molecular Weight; D011487:Protein Conformation
chemical_list: D001427:Bacterial Toxins; D006460:Hemolysin Proteins; C020452:Clostridium perfringens theta-toxin