Membrane defenses against attack by complement and perforins.
D000818:Animals; D002462:Cell Membrane / Q000502:physiology*; D003165:Complement System Proteins / Q000502:physiology*; D006801:Humans; D008562:Membrane Glycoproteins / Q000502:physiology*; D054353:Perforin; D052899:Pore Forming Cytotoxic Proteins
D008562:Membrane Glycoproteins; D052899:Pore Forming Cytotoxic Proteins; D054353:Perforin; D003165:Complement System Proteins