title: Ultrastructure of human C1q protein.
mesh_terms: D003165:Complement System Proteins / Q000032:analysis*; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D008854:Microscopy, Electron; D008956:Models, Chemical; D008970:Molecular Weight; D011506:Proteins / Q000032:analysis
chemical_list: D011506:Proteins; D003165:Complement System Proteins