title: H-2 linked Ss protein is C4 component of complement.
mesh_terms: D000818:Animals; D003181:Complement C4 / Q000096:biosynthesis / Q000302:isolation & purification; D003165:Complement System Proteins; D005796:Genes; D008040:Genetic Linkage; D006649:Histocompatibility Antigens / Q000302:isolation & purification; D006801:Humans; D008297:Male; D051379:Mice; D008807:Mice, Inbred BALB C
chemical_list: D003181:Complement C4; D006649:Histocompatibility Antigens; D003165:Complement System Proteins